LTC6241CS8

FEATURES ■ ■ LTC6240/LTC6241/LTC6242 Single/Dual/Quad 18MHz, Low Noise, Rail-to-Rail Output, CMOS Op Amps DESCRIPTIO The LTC®6240/6241/LTC6242 are single, dual and quad low noise, low offset, rail-to-rail output, unity gain stable CMOS op amps that feature 1pA of input bias current. Input bias current is guaranteed to be 1pA max on the single LTC6240. The 0.1Hz to 10Hz noise of only 550nVP-P, along with an offset of just 125µV are significant improvements over traditional CMOS op amps. Additionally, noise is guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz gain bandwidth, and 10V/µs slew rate, along with the wide supply range and low input capacitance, make them perfect for use as fast signal processing amplifiers. These op amps have an output stage that swings within 30mV of either supply rail to maximize the signal dynamic range in low supply applications. The input common mode range extends to the negative supply. They are fully specified on 3V and 5V, and an HV version guarantees operation on supplies up to ±5V. The LTC6240 is available in the 8-pin SO and the 5-pin SOT-23 packages. The LTC6241 is available in the 8-pin SO, and for compact designs it is packaged in a tiny dual fine pitch leadless (DFN) package. The LTC6242 is available in the 16-Pin SSOP as well as the 5mm × 3mm DFN package. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 0.1Hz to 10Hz Noise: 550nVP-P Input Bias Current: 0.2pA (Typ at 25°C) 1pA Max (LT6240) Low Offset Voltage: 125µV Max Low Offset Drift: 2.5µV/°C Max Gain Bandwidth Product: 18MHz Output Swings Rail-to-Rail Supply Operation: 2.8V to 6V LTC6240/LTC6241/LTC6242 2.8V to ±5.5V LTC6240HV/LTC6241HV/LTC6242HV Low Input Capacitance H Grade Temperature Range: –40°C to 125°C Single LTC6240 in 5-Pin SOT-23 Package and 8-Pin SO for PCB Guard Ring Dual LTC6241 in 8-Pin SO and Tiny DFN Packages Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm DFN Packages APPLICATIO S ■ ■ ■ ■ ■ Photo Diode Amplifiers Charge Coupled Amplifiers Low Noise Signal Processing Medical Instrumentation High Impedance Transducer Amplifier TYPICAL APPLICATIO C4 10pF R1 200k VIN C1 10pF Low Noise Single-Ended Input to Differential Output Amplifier C3 10pF NOISE VOLTAGE (nV/√Hz) R4 4.99k R3 4.99k +2.5V 60 50 40 30 20 10 VOUT– 0 Noise Voltage vs Frequency TA = 25°C VS = ±2.5V VCM = 0V – 1/2 LTC6241 VOUT+ – 1/2 LTC6241 + –2.5V R2 200k + C2 10pF 1 6241 TA01a U 10 U U 100 1k FREQUENCY (Hz) 10k 100k 6241 TA01b 624012fc 1 LTC6240/LTC6241/LTC6242 ABSOLUTE AXI U RATI GS Total Supply Voltage (V+ to V–) LTC6240/LTC6241/LTC6242 ...................................7V LTC6240HV/LTC6241HV/LTC6242HV ...................12V Input Voltage.......................... (V+ + 0.3V) to (V– – 0.3V) Input Current........................................................±10mA Output Short Circuit Duration (Note 2) ............ Indefinite Operating Temperature Range LTC6240C/LTC6241C/LTC6242C.......... –40°C to 85°C LTC6240I/LTC6241I/LTC6242I ............. –40°C to 85°C LTC6240H/LTC6241H/LTC6242H ....... –40°C to 125°C PACKAGE/ORDER I FOR ATIO TOP VIEW TOP VIEW –IN 2 +IN 3 V– 4 – OUT 1 V– 2 + – +IN 3 4 –IN 5 V+ NC 1 8 7 6 5 NC V+ OUT NC S5 PACKAGE 5-LEAD PLASTIC TSOT-23 TJMAX = 150°C, θJA = 250°C/W S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150°C, θJA = 190°C/W TOP VIEW TOP VIEW OUT A 1 –IN A 2 +IN A 3 V – 8 V+ A B 7 OUT B 6 –IN B 5 +IN B OUT A 1 –IN A 2 +IN A 3 V– 4 A B 4 DD PACKAGE 8-LEAD (3mm × 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W UNDERSIDE METAL CONNECTED TO V– (PCB CONNECTION OPTIONAL) S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150°C, θJA = 190°C/W 2 U + U W WW U W (Note 1) Specified Temperature Range (Note 3) LTC6240C/LTC6241C/LTC6242C.............. 0°C to 70°C LTC6240I/LTC6241I/LTC6242I ............. –40°C to 85°C LTC6240H/LTC6241H/LTC6242H ....... –40°C to 125°C Junction Temperature ........................................... 150°C DHC, DD Package ............................................. 125°C Storage Temperature Range....................–65ºC to 150°C DHC, DD Package ...............................–65ºC to 125°C Lead Temperature (Soldering, 10 sec) .................. 300°C ORDER PART NUMBER S5 PART MARKING* LTC6240CS5 LTC6240HVCS5 LTC6240IS5 LTC6240HVIS5 LTC6240HS5 LTC6240HVHS5 ORDER PART NUMBER LTC6240CS8 LTC6240HVCS8 LTC6240IS8 LTC6240HVIS8 LTC6240HS8 LTC6240HVHS8 LTC6241CDD LTC6241HVCDD LTC6241IDD LTC6241HVIDD ORDER PART NUMBER LTC6241CS8 LTC6241HVCS8 LTC6241IS8 LTC6241HVIS8 LTC6241HS8 LTC6241HVHS8 LTCRR LTCRS LTCRR LTCRS LTCRR LTCRS S8 PART MARKING 6240 6240HV 6240I 240HVI 6240H 240HVH LBPD LBRR LBPD LBRR S8 PART MARKING 6241 6241HV 6241I 241HVI 6241H 241HVH 624012fc ORDER PART NUMBER DD PART MARKING* 8 7 6 5 V+ OUT B –IN B +IN B LTC6240/LTC6241/LTC6242 PACKAGE/ORDER I FOR ATIO TOP VIEW TOP VIEW OUT A –IN A +IN A V + 1 2 3 4 5 6 7 8 B 17 C A D 16 OUT D 15 –IN D 14 +IN D 13 V – OUT A –IN A +IN A V+ +IN B –IN B OUT B NC 1 2 3 4 5 6 7 8 B C A D +IN B –IN B OUT B NC 12 +IN C 11 –IN C 10 OUT C 9 NC DHC16 PACKAGE 16-LEAD (5mm × 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W UNDERSIDE METAL CONNECTED TO V– (PCB CONNECTION OPTIONAL) GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 150°C, θJA = 135°C/W Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges. AVAILABLE OPTIO S PART NUMBER LTC6240CS5 LTC6240CS8 LTC6240HVCS5 LTC6240HVCS8 LTC6240IS5 LTC6240IS8 LTC6240HVIS5 LTC6240HVIS8 LTC6240HS5 LTC6240HS8 LTC6240HVHS5 LTC6240HVHS8 LTC6241CS8 LTC6241CDD LTC6241HVCS8 LTC6241HVCDD LTC6241IS8 LTC6241IDD LTC6241HVIS8 LTC6241HVIDD LTC6241HS8 LTC6241HVHS8 AMPS/PACKAGE 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 SPECIFIED TEMP RANGE 0°C to 70°C 0°C to 70°C 0°C to 70°C 0°C to 70°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 125°C –40°C to 125°C –40°C to 125°C –40°C to 125°C 0°C to 70°C 0°C to 70°C 0°C to 70°C 0°C to 70°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 125°C –40°C to 125°C SPECIFIED SUPPLY VOLTAGE 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V, ±5V PACKAGE SOT-23 SO-8 SOT-23 SO-8 SOT-23 SO-8 SOT-23 SO-8 SOT-23 SO-8 SOT-23 SO-8 SO-8 DD SO-8 DD SO-8 DD SO-8 DD SO-8 SO-8 PART MARKING LTCRR 6240 LTCRS 6240HV LTCRR 6240I LTCRS 240HVI LTCRR 6240H LTCRS 240HVH 6241 LBPD 6241HV LBRR 6241I LBPD 241HVI LBRR 6241H 241HVH 624012fc U ORDER PART NUMBER DHC PART MARKING* 16 OUT D 15 –IN D 14 +IN D 13 V – 12 +IN C 11 –IN C 10 OUT C 9 NC W U LTC6242CDHC LTC6242HVCDHC LTC6242IDHC LTC6242HVIDHC ORDER PART NUMBER LTC6242CGN LTC6242HVCGN LTC6242IGN LTC6242HVIGN LTC6242HGN LTC6242HVHGN 6242 6242HV 6242 6242HV GN PART MARKING 6242 6242HV 6242I 242HVI 6242H 242HVH U 3 LTC6240/LTC6241/LTC6242 AVAILABLE OPTIO S PART NUMBER LTC6242CGN LTC6242CDHC LTC6242HVCGN LTC6242HVCDHC LTC6242IGN LTC6242IDHC LTC6242HVIGN LTC6242HVIDHC LTC6242HGN LTC6242HVHGN AMPS/PACKAGE 4 4 4 4 4 4 4 4 4 4 SPECIFIED TEMP RANGE 0°C to 70°C 0°C to 70°C 0°C to 70°C 0°C to 70°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 85°C –40°C to 125°C –40°C to 125°C SPECIFIED SUPPLY VOLTAGE 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V 3V, 5V, ±5V 3V, 5V, ±5V 3V, 5V 3V, 5V, ±5V PACKAGE GN DHC GN DHC GN DHC GN DHC GN GN PART MARKING 6242 6242 6242HV 6242HV 6242I 6242 242HVI 6242HV 6242H 242HVH ELECTRICAL CHARACTERISTICS SYMBOL VOS PARAMETER Input Offset Voltage (Note 4) (LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I, LTC6242HVC/I) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted. CONDITIONS LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C VOS Match Channel-to-Channel (Note 5) LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C TC VOS IB Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 ● ● ● IOS Input Offset Current (Notes 4, 7) Input Noise Voltage 4 U MIN TYP 40 MAX 125 250 300 150 275 300 175 300 350 550 650 725 160 300 375 185 325 400 650 700 750 2.5 75 UNITS µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV/°C pA pA pA pA pA pA pA pA nVP-P 624012fc 50 ● ● 50 ● ● 100 ● ● 40 ● ● 50 ● ● 150 ● ● ● 0.7 0.2 0.2 LTC6240 ● 1 75 75 LTC6241, LTC6242 ● 0.2 0.2 ● LTC6240 0.1Hz to 10Hz 1 75 550 LTC6240/LTC6241/LTC6242 ELECTRICAL CHARACTERISTICS SYMBOL en in RIN CIN PARAMETER Input Noise Voltage Density Input Noise Current Density (Note 8) Input Resistance Input Capacitance Differential Mode Common Mode Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) AVOL Large Signal Voltage Gain VO = 1V to 4V RL = 10k to VS/2 0°C to 70°C –40°C to 85°C VO = 1.5V to 3.5V RL = 1k to VS/2 0°C to 70°C –40°C to 85°C VOL Output Voltage Swing Low (Note 9) No Load ISINK = 1mA ISINK = 5mA No Load ISOURCE = 1mA ISOURCE = 5mA VS = 2.8V to 6V, VCM = 0.2V Common Mode f = 100kHz 3.5 3 Guaranteed by CMRR 0V ≤ VCM ≤ 3.5V ● ● ● (LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I, LTC6242HVC/I) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted. CONDITIONS f = 1kHz MIN TYP 7 0.56 1012 MAX 10 UNITS nV/√Hz fA/√Hz Ω pF pF 3.5 105 95 1600 V dB dB V/mV V/mV V/mV V/mV V/mV V/mV 30 75 325 30 75 325 mV mV mV mV mV mV dB dB V 30 1.8 ● ● VCM CMRR 0 80 76 425 300 200 90 60 50 ● ● 215 ● ● ● ● ● ● ● ● ● ● ● ● 7 40 190 11 45 190 80 74 2.8 15 104 100 VOH Output Voltage Swing High (Note 9) PSRR Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) ISC IS Short-Circuit Current Supply Current per Amplifier LTC6241, LTC6242 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C mA 2.2 2.3 2.4 2.4 2.5 2.6 mA mA mA mA mA mA MHz V/µs MHz ns 2 ● ● ● ● ● GBW SR FPBW ts Gain Bandwidth Product Slew Rate (Note 11) Full Power Bandwidth (Note 12) Settling Time Frequency = 20kHz, RL = 1kΩ AV = –2, RL = 1kΩ VOUT = 3VP-P, RL = 1kΩ VSTEP = 2V, AV = –1, RL = 1kΩ, 0.1% 13 5 0.53 18 10 1.06 1100 624012fc 5 LTC6240/LTC6241/LTC6242 ELECTRICAL CHARACTERISTICS SYMBOL VOS PARAMETER Input Offset Voltage (Note 4) (LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I, LTC6242HVC/I) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted. CONDITIONS LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C VOS Match Channel-to-Channel (Note 5) LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 LTC6240 ● MIN ● ● TYP 40 60 ● ● 50 ● ● 100 ● ● 40 ● ● 60 ● ● 150 ● ● ● ● TC VOS IB 0.7 0.2 0.2 0.2 MAX 175 275 325 200 275 325 200 325 375 550 650 725 200 325 400 225 325 400 650 700 750 2.5 75 1 75 75 1 75 1.5 IOS Input Offset Current (Notes 4, 7) LTC6241, LTC6242 ● LTC6240 ● 0.2 ● ● ● VCM CMRR AVOL Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) Large Signal Voltage Gain Guaranteed by CMRR 0V ≤ VCM ≤ 1.5V 0 78 76 140 100 75 100 95 600 UNITS µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV/°C pA pA pA pA pA pA pA pA V dB dB V/mV V/mV V/mV mV mV mV mV dB dB V mA mA mA mA mA mA mA MHz 624012fc VOL VOH PSRR Output Voltage Swing Low (Note 9) Output Voltage Swing High (Note 9) Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) Short-Circuit Current Supply Current per Amplifier VO = 1V to 2V RL = 10k to VS/2 0°C to 70°C –40°C to 85°C No Load ISINK = 1mA No Load ISOURCE = 1mA VS = 2.8V to 6V, VCM = 0.2V ● ● ● ● ● ● ● ● ● ● 80 74 2.8 3 3 65 4 70 104 100 6 1.4 30 110 30 120 ISC IS GBW Gain Bandwidth Product LTC6241, LTC6242 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C Frequency = 20kHz, RL = 1kΩ ● ● 1.5 ● ● ● 1.7 1.8 1.9 1.9 2 2.1 12 17 6 LTC6240/LTC6241/LTC6242 (LTC6240HVC/I, LTC6241HVC/I, LTC6242HVC/I) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = ±5V, 0V, VCM = 0V unless otherwise noted. SYMBOL VOS CONDITIONS LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C VOS Match Channel-to-Channel (Note 5) LTC6241 S8 0°C to 70°C –40°C to 85°C LTC6242 GN 0°C to 70°C –40°C to 85°C LTC6241 DD, LTC6242 DHC 0°C to 70°C –40°C to 85°C Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 LTC6240 ● ELECTRICAL CHARACTERISTICS PARAMETER Input Offset Voltage (Note 4) MIN ● ● TYP 50 60 ● ● 60 ● ● 100 ● ● 50 ● ● 60 ● ● 150 ● ● ● ● TC VOS IB 0.7 0.5 0.5 0.2 MAX 175 275 325 200 275 325 250 350 400 550 650 725 200 325 400 225 325 400 650 700 750 2.5 75 1 75 75 1 75 10 IOS Input Offset Current (Notes 4, 7) LTC6241, LTC6242 ● LTC6240 ● 0.2 550 7 0.56 1012 3.5 3 en in RIN CIN VCM CMRR Input Noise Voltage Input Noise Voltage Density Input Noise Current Density (Note 8) Input Resistance Input Capacitance Differential Mode Common Mode Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) Large Signal Voltage Gain 0.1Hz to 10Hz f = 1kHz Common Mode f = 100kHz UNITS µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV µV/°C pA pA pA pA pA pA pA pA nVP-P nV/√Hz fA/√Hz Ω pF pF V dB dB V/mV V/mV V/mV V/mV V/mV V/mV mV mV mV Guaranteed by CMRR –5V ≤ VCM ≤ 3.5V ● ● ● –5 83 76 775 600 500 150 90 75 3.5 105 95 2700 AVOL VOL Output Voltage Swing Low (Note 9) VO = –3.5V to 3.5V RL = 10k 0°C to 70°C –40°C to 85°C RL = 1k 0°C to 70°C –40°C to 85°C No Load ISINK = 1mA ISINK = 10mA ● ● ● ● ● ● ● 360 15 45 360 30 75 550 624012fc 7 LTC6240/LTC6241/LTC6242 ELECTRICAL CHARACTERISTICS SYMBOL VOH PSRR PARAMETER Output Voltage Swing High (Note 9) (LTC6240HVC/I, LTC6241HVC/I, LTC6242HVC/I) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = ±5V, 0V, VCM = 0V unless otherwise noted. CONDITIONS No Load ISOURCE = 1mA ISOURCE = 10mA VS = 2.8V to 11V, VCM = 0.2V MIN ● ● ● ● ● ● ● ISC IS Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) Short-Circuit Current Supply Current per Amplifier 85 82 2.8 15 TYP 15 45 360 110 106 35 2.5 MAX 30 75 550 UNITS mV mV mV dB dB V mA mA mA mA mA mA mA MHz V/µs MHz ns GBW SR FPBW ts Gain Bandwidth Product Slew Rate (Note 11) Full Power Bandwidth (Note 12) Settling Time LTC6241, LTC6242 0°C to 70°C –40°C to 85°C LTC6240 0°C to 70°C –40°C to 85°C Frequency = 20kHz, RL = 1kΩ AV = –2, RL = 1kΩ VOUT = 3VP-P, RL = 1kΩ VSTEP = 2V, AV = –1, RL = 1kΩ, 0.1% ● ● 2.7 ● ● ● ● ● 3.2 3.3 3.7 3.3 3.4 3.8 13 5.5 0.58 18 10 1.06 900 (LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted. SYMBOL VOS PARAMETER Input Offset Voltage (Note 4) CONDITIONS LTC6241 S8 ● MIN TYP 40 50 MAX 125 400 150 400 175 450 160 400 185 400 2.5 1.5 1 2.5 150 1 750 3.5 UNITS µV µV µV µV µV µV µV µV µV µV µV/°C pA nA pA nA pA pA pA pA V dB dB LTC6242 GN ● LTC6240 ● 50 40 ● VOS Match Channel-to-Channel (Note 5) LTC6241 S8 LTC6242 GN 50 ● ● TC VOS IB Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 ● 0.7 0.2 0.2 LTC6240 ● IOS Input Offset Current (Notes 4, 7) LTC6241, LTC6242 ● 0.2 0.2 ● ● ● ● LTC6240 VCM CMRR Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) Large Signal Voltage Gain Guaranteed by CMRR 0V ≤ VCM ≤ 3.5V 0 78 74 425 200 90 40 AVOL VO = 1V to 4V RL = 10k to VS/2 VO = 1.5V to 3.5V RL = 1k to VS/2 1600 ● V/mV V/mV V/mV V/mV 624012fc 215 ● 8 LTC6240/LTC6241/LTC6242 (LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted. SYMBOL VOL PARAMETER Output Voltage Swing Low (Note 9) CONDITIONS No Load ISINK = 1mA ISINK = 5mA No Load ISOURCE = 1mA ISOURCE = 5mA VS = 2.8V to 6V, VCM = 0.2V ● ● ● ● ● ● ● ● ● ● ELECTRICAL CHARACTERISTICS MIN TYP MAX 30 85 325 30 85 325 UNITS mV mV mV mV mV mV dB dB V mA mA mA mA mA MHz V/µs MHz VOH Output Voltage Swing High (Note 9) PSRR ISC IS Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) Short-Circuit Current Supply Current per Amplifier 78 74 2.8 15 1.8 2.2 2.4 2.4 2.8 LTC6241, LTC6242 ● LTC6240 ● 2 ● ● ● GBW SR FPBW Gain Bandwidth Product Slew Rate (Note 11) Full Power Bandwidth (Note 12) Frequency = 20kHz, RL = 1kΩ AV = –2, RL = 1kΩ VOUT = 3VP-P, RL = 1kΩ 12 4.5 0.48 (LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted. SYMBOL VOS PARAMETER Input Offset Voltage (Note 4) CONDITIONS LTC6241 S8 ● MIN TYP 40 60 MAX 175 400 200 400 200 450 200 400 225 400 2.5 1.5 UNITS µV µV µV µV µV µV µV µV µV µV µV/°C pA nA pA nA pA pA pA pA V dB dB LTC6242 GN ● LTC6240 ● 50 40 ● VOS Match Channel-to-Channel (Note 5) LTC6241 S8 LTC6242 GN 60 ● ● TC VOS IB Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 0.7 0.2 ● LTC6240 ● 0.2 0.2 ● 1 2.5 150 IOS Input Offset Current (Notes 4, 7) LTC6241, LTC6242 LTC6240 ● 0.2 ● ● ● 1 750 1.5 VCM CMRR Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) Guaranteed by CMRR 0V ≤ VCM ≤ 1.5V 0 75 74 140 65 600 AVOL Large Signal Voltage Gain VO = 1V to 2V RL = 10k to VS/2 ● V/mV V/mV 624012fc 9 LTC6240/LTC6241/LTC6242 ELECTRICAL CHARACTERISTICS SYMBOL VOL VOH PSRR PARAMETER Output Voltage Swing Low (Note 9) Output Voltage Swing High (Note 9) Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) ISC IS Short-Circuit Current Supply Current per Amplifier LTC6241, LTC6242 ● (LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted. CONDITIONS No Load ISINK = 1mA No Load ISOURCE = 1mA VS = 2.8V to 6V, VCM = 0.2V ● ● ● ● ● ● ● ● MIN TYP MAX 30 130 30 130 UNITS mV mV mV mV dB dB V mA 78 74 2.8 2.5 1.4 1.5 1.7 1.9 1.9 2.1 mA mA mA mA MHz LTC6240 ● GBW Gain Bandwidth Product Frequency = 20kHz, RL = 1kΩ ● 10 (LTC6240HVH/LTC6241HVH/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = ±5V, VCM = 0V unless otherwise noted. SYMBOL VOS PARAMETER Input Offset Voltage (Note 4) CONDITIONS LTC6241 S8 ● MIN TYP 50 60 MAX 175 400 200 400 250 450 200 400 225 400 2.5 1.5 UNITS µV µV µV µV µV µV µV µV µV µV µV/°C pA nA pA nA pA pA pA pA V dB dB LTC6242 GN ● LTC6240 ● 60 50 ● VOS Match Channel-to-Channel (Note 5) LTC6241 S8 LTC6242 GN 60 ● ● TC VOS IB Input Offset Voltage Drift (Note 6) Input Bias Current (Notes 4, 7) LTC6241, LTC6242 0.7 0.5 ● LTC6240 ● 0.5 0.2 ● 1 2.5 150 IOS Input Offset Current (Notes 4, 7) LTC6241, LTC6242 LTC6240 ● 0.2 ● ● ● 1 750 3.5 VCM CMRR Input Voltage Range Common Mode Rejection CMRR Match Channel-to-Channel (Note 5) Guaranteed by CMRR –5V ≤ VCM ≤ 3.5V –5 80 76 775 350 150 60 2700 360 AVOL Large Signal Voltage Gain VO = –3.5V to 3.5V RL = 10k RL = 1k ● ● V/mV V/mV V/mV V/mV 624012fc 10 LTC6240/LTC6241/LTC6242 (LTC6240HVH/LTC6241HVH/LTC6242HVH) The ● denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = ±5V, VCM = 0V unless otherwise noted. SYMBOL VOL PARAMETER Output Voltage Swing Low (Note 9) CONDITIONS No Load ISINK = 1mA ISINK = 10mA No Load ISOURCE = 1mA ISOURCE = 10mA VS = 2.8V to 11V, VCM = 0.2V ● ● ● ● ● ● ● ● ● ● ELECTRICAL CHARACTERISTICS MIN TYP MAX 30 85 600 30 85 600 UNITS mV mV mV mV mV mV dB dB V mA VOH Output Voltage Swing High (Note 9) PSRR Power Supply Rejection PSRR Match Channel-to-Channel (Note 5) Minimum Supply Voltage (Note 10) 83 82 2.8 15 2.5 3.2 3.7 3.3 3.8 ISC IS Short-Circuit Current Supply Current per Amplifier LTC6241, LTC6242 ● mA mA mA mA MHz V/µs MHz LTC6240 ● 2.7 ● ● ● GBW SR FPBW Gain Bandwidth Product Slew Rate (Note 11) Full Power Bandwidth (Note 12) Frequency = 20kHz, RL = 1kΩ AV = –2, RL = 1kΩ VOUT = 3VP-P, RL = 1kΩ 12 5 0.53 Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 3: The LTC6240C/LTC6240HVC/LTC6241C/LTC6241HVC, LTC6242C/ LTC6242HVC are guaranteed to meet specified performance from 0°C to 70°C. They are designed, characterized and expected to meet specified performance from –40°C to 85°C, but are not tested or QA sampled at these temperatures. The LTC6240I/LTC6240HVI, LTC6241I/LTC6241HVI, LTC6242I/LTC6242HVI are guaranteed to meet specified performance from –40°C to 85°C. All versions of the LTC6240H/LTC6241H/LTC6242H are guaranteed to meet specified performance from –40°C to 125°C. Note 4: ESD (Electrostatic Discharge) sensitive device. ESD protection devices are used extensively internal to the LTC6240/LTC6241/LTC6242; however, high electrostatic discharge can damage or degrade the device. Use proper ESD handling precautions. Note 5: Matching parameters are the difference between the two amplifiers A and D and between B and C of the LTC6242; between the two amplifiers of the LTC6241. CMRR and PSRR match are defined as follows: CMRR and PSRR are measured in µV/V on the matched amplifiers. The difference is calculated between the matching sides in µV/V. The result is converted to dB. Note 6: This parameter is not 100% tested. Note 7: Bias current at TA = 25°C is 100% tested and guaranteed for the LTC6240 in the S8 package. The LTC6240S5, LTC6241 and LTC6242 are expected to achieve the same performance as the LTC6240S8. All parts are guaranteed to meet specifications over temperature. Note 8: Current noise is calculated from the formula: in = (2qIB)1/2 where q = 1.6 × 10–19 coulomb. The noise of source resistors up to 50GΩ dominates the contribution of current noise. See also Typical Characteristics curve Noise Current vs Frequency. Note 9: Output voltage swings are measured between the output and power supply rails. Note 10: Minimum supply voltage is guaranteed by the power supply rejection ratio test. Note 11: Slew rate is measured in a gain of –2 with RF = 1k and RG = 500Ω. On the LTC6240/LTC6241/LTC6242, VS = ±2.5V, VIN is ±1V and VOUT slew rate is measured between –1V and +1V. On the LTC6240HV/ LTC6241HV/LTC6242HV, VIN is ±2V and VOUT slew rate is measured between –2V and +2V. Note 12: Full-power bandwidth is calculated from the slew rate: FPBW = SR/πVP-P. 624012fc 11 LTC6240/LTC6241/LTC6242 TYPICAL PERFOR A CE CHARACTERISTICS VOS Distribution LTC6241 90 VS = ±2.5V 80 SO-8 PACKAGE 70 NUMBER OF UNITS NUMBER OF UNITS 60 50 40 30 20 20 10 0 –70 –50 –30 –10 10 30 50 INPUT OFFSET VOLTAGE (µV) 70 6241 G01 80 60 40 NUMBER OF UNITS VOS Distribution LTC6240 35 30 PERCENT OF UNITS NUMBER OF UNITS 25 20 15 10 5 0 –110 –90 –70 –50 –30 –10 10 30 50 INPUT OFFSET VOLTAGE (µV) VS = ±2.5V 18 16 14 12 10 8 6 4 2 70 SUPPLY CURRENT PER AMP (mA) Offset Voltage vs Input Common Mode Voltage 300 250 200 OFFSET VOLTAGE (µV) 150 100 50 0 –50 –100 –150 –200 –250 –300 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 INPUT COMMON MODE VOLTAGE (V) 6241 G05 INPUT BIAS CURRENT (pA) 100 INPUT BIAS CURRENT (pA) TA = 125°C TA = 25°C TA = –55°C 12 UW 6241 G43 VOS Distribution LTC6241 120 100 VS = ±2.5V DD PACKAGE 16 14 12 10 8 6 4 2 –350 –250 –150 –50 50 150 250 INPUT OFFSET VOLTAGE (µV) 350 6241 G02 VOS Temperature Coefficient Distribution LTC6241 VS = ±2.5V 2 LOTS –55°C TO 125°C 0 0 –1.0 –0.6 –0.2 0.2 0.6 1.0 DISTRIBUTION (µV/°C) 1.4 1.8 6241 G03 VOS Temperature Coefficient Distribution LTC6240 VS = 5V, 0 VCM = 2.5V 2 LOTS –40°C TO 125°C SO-8 AND SOT23 PACKAGES 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 –0.2 0.2 0.6 1.0 1.4 DISTRIBUTION (µV/°C) 1.8 6241 G44 Supply Current vs Supply Voltage TA = 25°C TA = –55°C TA = 125°C 0 –0.6 0 2 8 6 10 4 TOTAL SUPPLY VOLTAGE (V) 12 6241 G04 Input Bias Current vs Common Mode Voltage 1000 VS = 5V, 0V TA = 125°C 700 600 500 400 300 200 100 0 –100 –200 –300 Input Bias Current vs Common Mode Voltage VS = 5V, 0V VS = 5V, 0V TA = 25°C TA = 125°C 10 TA = 85°C 1 TA = 25°C 0.1 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 COMMON MODE VOLTAGE (V) 6241 G06 TA = 85°C –400 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 COMMON MODE VOLTAGE (V) 6241 G07 624012fc LTC6240/LTC6241/LTC6242 TYPICAL PERFOR A CE CHARACTERISTICS Input Bias Current vs Temperature 1000 OUTPUT LOW SATURATION VOLTAGE (V) VCM = VS/2 10 TA = 25°C 1 TA = 125°C 0.1 TA = –55°C OUTPUT HIGH SATURATION VOLTAGE (V) INPUT BIAS CURRENT (pA) 100 VS = 10V 10 VS = 5V 1 0.1 25 35 45 55 65 75 85 95 105 115 125 TEMPERATURE (°C) 6241 G08 Gain Bandwidth and Phase Margin vs Temperature VS = ±5V GAIN BANDWIDTH (MHz) 70 CL = 5pF RL = 1k 60 50 PHASE MARGIN PHASE MARGIN (DEG) 80 70 60 50 GAIN (dB) 40 30 20 10 0 –10 5 25 45 65 85 105 125 TEMPERATURE (°C) 6241 G12 GAIN BANDWIDTH (MHz) VS = ±1.5V 40 30 20 10 VS = ±5V VS = ±1.5V GAIN BANDWIDTH 0 –55 –35 –15 Slew Rate vs Temperature 20 AV = –2 18 RF = 1k, RG = 500Ω CONDITIONS: SEE NOTE 12 OUTPUT IMPEDANCE (Ω) 16 SLEW RATE (V/µs) 14 12 10 8 6 4 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) 6241 G15 1k 100 10 1 0.10 0.01 10k AV = 10 AV = 2 COMMON MODE REJECTION (dB) VS = ±5V FALLING VS = ±2.5V FALLING VS = ±5V RISING VS = ±2.5V RISING UW Output Saturation Voltage vs Load Current (Output Low) VS = 5V, 0V 10 Output Saturation Voltage vs Load Current (Output High) VS = 5V, 0V TA = 25°C 1 TA = 125°C TA = –55°C 0.1 0.01 0.001 0.1 10 1 LOAD CURRENT (mA) 100 6241 G09 0.01 0.1 10 1 LOAD CURRENT (mA) 100 6241 G10 Open Loop Gain vs Frequency PHASE 120 CL = 5pF 100 RL = 1k VCM = VS/2 80 60 GAIN Gain Bandwidth and Phase Margin vs Supply Voltage TA = 25°C CL = 5pF RL = 1k PHASE MARGIN 70 60 PHASE MARGIN (DEG) 50 40 30 20 10 0 0 2 4 6 8 10 TOTAL SUPPLY VOLTAGE (V) 12 6241 G14 40 30 VS = ±5V VS = ±1.5V VS = ±5V VS = ±1.5V PHASE (DEG) 40 20 0 –20 –40 –60 GAIN BANDWIDTH –20 10k 100k 1M 10M FREQUENCY (Hz) –80 100M 6241 G13 Output Impedance vs Frequency 10k TA = 25°C VS = ±2.5V 100 90 80 70 60 50 40 30 20 10 0 100k 1M FREQUENCY (Hz) 10M 6241 G16 Common Mode Rejection Ratio vs Frequency TA = 25°C VS = ±2.5V AV = 1 –10 10k 100k 1M 10M FREQUENCY (Hz) 100M 6241 G17 624012fc 13 LTC6240/LTC6241/LTC6242 TYPICAL PERFOR A CE CHARACTERISTICS Channel Separation vs Frequency 0 –10 –20 –30 VOLTAGE GAIN (dB) –40 –50 –60 –70 –80 –90 –100 –110 –120 10k 100k 1M 10M FREQUENCY (Hz) 100M 6241 G18 POWER SUPPLY REJECTION RATIO (dB) INPUT CAPACITANCE (pF) Minimum Supply Voltage 100 80 CHANGE IN OFFSET VOLTAGE (µV) 60 40 20 0 –20 –40 –60 –80 –100 0 1 2345678 TOTAL SUPPLY VOLTAGE (V) 9 10 TA = 125°C TA = –55°C TA = 25°C OUTPUT SHORT-CIRCUIT CURRENT (mA) VCM = VS/2 50 40 30 20 10 0 –10 –20 –30 –40 INPUT VOLTAGE (µV) Open Loop Gain 120 100 INPUT VOLTAGE (µV) 80 60 40 20 0 –20 0 1 2 3 4 OUTPUT VOLTAGE (V) 5 6241 G24 TA = 25°C VS = 5V, 0V OFFSET VOLTAGE (µV) INPUT VOLTAGE (µV) RL = 10k RL = 1k 14 UW TA = 25°C VS = ±2.5V AV = 1 6241 G21 Power Supply Rejection Ratio vs Frequency 90 80 70 60 50 POSITIVE SUPPLY 40 30 20 10 0 1k 10k 100k 1M FREQUENCY (Hz) 10M 100M 6241 G19 Input Capacitance vs Frequency 16 14 12 10 8 6 4 2 0 1k 10k 100k 1M FREQUENCY (Hz) 10M 100M 6241 G20 TA = 25°C VS = ±2.5V VS = ±1.5V CCM NEGATIVE SUPPLY Output Short Circuit Current vs Power Supply Voltage 120 TA = –55°C TA = 125°C 100 80 60 40 20 0 2.0 2.5 3.0 3.5 4.0 4.5 POWER SUPPLY VOLTAGE (±V) 5.0 Open Loop Gain TA = 25°C VS = 3V, 0V SINKING TA = 25°C RL = 100k RL = 10k TA = 125°C SOURCING TA = –55°C –50 1.5 0 0.5 1.0 1.5 2.0 OUTPUT VOLTAGE (V) 2.5 3.0 6241 G23 6241 G22 Open Loop Gain 100 80 60 40 20 0 –20 –40 –60 –5 –4 –3 –2 –1 0 1 2 3 OUTPUT VOLTAGE (V) 4 5 RL = 10k RL = 1k TA = 25°C VS = ±5V 500 400 300 200 100 0 –100 –200 –300 –400 Offset Voltage vs Output Current VS = ±5V TA = 125°C TA = 25°C TA = –55°C –500 –50 –40 –30 –20 –10 0 10 20 30 40 50 OUTPUT CURRENT (mA) 6241 G26 6241 G25 624012fc LTC6240/LTC6241/LTC6242 TYPICAL PERFOR A CE CHARACTERISTICS Warm-Up Drift vs Time 25 CHANGE IN OFFSET VOLTAGE (µV) 20 15 10 5 0 –5 0 5 10 15 20 25 30 35 40 45 50 55 60 TIME AFTER POWER UP (s) 6241 G27 TA = 25°C 40 30 20 10 0 1 10 100 1k FREQUENCY (Hz) 10k 100k VS = ±2.5V VS = ±1.5V VOLTAGE NOISE (200nV/DIV) NOISE VOLTAGE (nV/√Hz) VS = ±5V Noise Current vs Frequency 1000 1k NOISE CURRENT (fA/√Hz) 100 OVERSHOOT (%) 40 30 – + 1k RS CL OUTPUT SERIES RESISTANCE (Ω) TA = 25°C VS = ±2.5V VCM = 0V 10 1 10 0.1 100 0 10k 1k FREQUENCY (Hz) 100k 6241 G42 Series Output Resistance and Overshoot vs Capacitive Load 60 50 OVERSHOOT (%) 40 30 75pF 500Ω – + 1k RS SETTLING TIME (µs) CL 1k SETTLING TIME (µs) RS = 10Ω 20 10 0 10 100 CAPACITIVE LOAD (pF) UW RS = 50Ω VS = ±2.5V AV = –2 6241 G30 Noise Voltage vs Frequency 60 50 TA = 25°C VS = ±2.5V VCM = 0V 0.1Hz to 10Hz Voltage Noise VS = 5V, 0V TIME (1s/DIV) 6241 G28 6241 G11 Series Output Resistance and Overshoot vs Capacitive Load 60 50 75pF Minimum Output Series Resistance vs Capacitive Load 1000 VS = ±2.5V