TS7221AILT

TS7221 Single BiCMOS rail-to-rail micropower comparator Features ■ ■ ■ ■ ■ ■ ■ ■ Rail-to-rail inputs Open drain output Supply operation from 2.7V to 10V Typical supply current: 6µA @ 5V Response time of 0.5µs at 5V Low input current ESD protection: 2kV (HBM), 200V (MM) Available in tiny SOT23-5 package TS7221 Open drain output 1 2 + IN+ 3 4 IN- L SOT23-5L Applications ■ ■ ■ ■ ■ ■ Battery-powered systems Notebooks and PDAs PCMCIA cards Cellulars and mobile communication Alarm and security systems Replacement of amplifiers used in comparator configuration for better performance OUT Vcc+ 5 Vcc- Description The TS7221 is a micropower comparator featuring rail-to-rail input performance in a tiny SOT23-5 package. This comparator is ideally suited to space and weight-critical applications. It is fully specified at 2.7V, 5V and 10V operation over the industrial temperature range (-40°C to +85°C). The TS7221 features an open drain output stage. The speed-to-power ratio makes this device ultraversatile for a wide range of applications. July 2007 Rev 3 1/11 www.st.com 11 Absolute maximum ratings TS7221 1 Absolute maximum ratings Table 1. Symbol ESD Machine model (MM) VID VIN VOUT VCC IIN IOUT TLead Tstg TJ PD Differential input voltage Input voltage(1) Output voltage Supply voltage Current at input pins(1) 200 (VCC-) -0.3 to (VCC+) +0.3 (VCC-) -0.3 to (VCC+) +0.3 12 12 ±5 ± 30 260 -65 to +150 150 500 V V V V mA mA °C °C °C mW Absolute maximum ratings Parameter Human body model (HBM) Value 2000 V Unit Current at output pin Lead temperature (soldering 10 seconds, Pb-free package) Storage temperature Junction temperature Power dissipation(2) SOT23-5 1. The magnitude of input voltages must never exceed 0.3V beyond the supply voltage. 2. TJ= 150°C, TAMB = 25oC with RTH-JA = 250oC/W for SOT23-5 package. Table 2. Symbol VCC Tamb Vicm Operating conditions Parameter Supply voltage Ambient temperature Common mode input voltage range Value 2.7 to 10 -40 to +85 (VCC-) -0.3 to (VCC+) +0.3 Unit V °C V 2/11 TS7221 Electrical characteristics 2 Table 3. Symbol Electrical characteristics Electrical characteristics at VCC+= 2.7V, Tamb = 25°C (unless otherwise specified)(1) Parameter Input offset voltage (full common mode range) – TS7221A at Tmin ≤ Tamb ≤ Tmax – TS7221B at Tmin ≤ Tamb ≤ Tmax Input offset voltage drift with temperature Input bias current(2) at Tmin ≤ Tamb ≤ Tmax Input offset current(2) at Tmin ≤ Tamb ≤ Tmax Common-mode rejection ratio (0 < Vicm < 2.7V) Power supply rejection ratio (2.7 < VCC < 10V) Voltage gain(3) -0.3 0.0 0.1 0.2 6 1 1 65 80 240 3 2.7 500 0.35 0.45 12 14 300 600 150 300 Min. Typ. Max. Unit VIO 7 10 15 18 mV ΔVIO IIB IIO CMRR PSRR AVD Vicm IOH VOL µV/oC pA pA dB dB dB V nA V Input common mode voltage range at Tmin ≤ Tamb ≤ Tmax High level output voltage (IN+=0.5V, IN-=0V & OUT=10V) Low level output voltage, Isink = 5mA at Tmin ≤ Tamb ≤ Tmax Supply current Output low Output high Response time low to high (Vic= 1.35V, CL= 50pF, RL=10kΩ) Overdrive = 10mV Overdrive = 100mV Response time high to low (Vic= 1.35V, CL= 50pF, RL=10kΩ) Overdrive = 10mV Overdrive = 100mV Fall time CL = 50pF, RL=5kΩ, Overdrive = 10mV Rise time CL = 50pF, RL=5kΩ, Overdrive = 10mV ICC 6 8 1.5 0.6 µA TPLH µs TPHL 1.5 0.5 0.3 0.3 µs TF TR µs µs 1. Limits are 100% production tested at +25°C. Behavior at the temperature range limits is guaranteed through correlation and by design. 2. Maximum values include unavoidable inaccuracies of industrial testing. 3. Design evaluation. 3/11 Electrical characteristics Table 4. Symbol TS7221 Electrical characteristics for VCC+= 5V, Tamb = 25°C (unless otherwise specified)(1) Parameter Input offset voltage (full common mode range) – TS7221A at Tmin ≤ Tamb ≤ Tmax – TS7221B Tmin ≤ Tamb ≤ Tmax Input offset voltage drift with temperature Input bias current(2) at Tmin ≤ Tamb ≤ Tmax Input offset current(2) at Tmin ≤ Tamb ≤ Tmax Common-mode rejection ratio (0 < Vicm < 5V) Power supply rejection ratio (2.7 < VCC < 10V) Voltage gain(3) -0.3 0.0 0.1 0.2 6 1 1 70 80 240 5.3 5.0 500 0.40 0.55 12 14 300 600 150 300 Min. Typ. Max. Unit VIO 7 10 15 18 mV ΔVIO IIB IIO CMRR PSRR AVD Vicm IOH VOL µV/oC pA pA dB dB dB V nA V Input common mode voltage range at Tmin ≤ Tamb ≤ Tmax High level output voltage (IN+=0.5V, IN-=0V & OUT=10V) Low level output voltage, Isink = 5mA at 25°C at Tmin ≤ Tamb ≤ Tmax Supply current Output low Output high Response time low to high (Vic= 2.5V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV Response time high to low (Vic = 2.5V, CL = 50pF, RL=10kΩ) Overdrive = 10mV Overdrive = 100mV Fall time CL = 50pF, RL=5kΩ, Overdrive = 10mV Rise time CL = 50pF, RL=5kΩ, Overdrive = 10mV ICC 6 8 2 0.5 2 0.4 0.3 0.3 µA TPLH µs TPHL µs TF TR µs µs 1. Limits are 100% production tested at +25°C. Behavior at the temperature range limits is guaranteed through correlation and by design. 2. Maximum values include unavoidable inaccuracies of industrial testing. 3. Design evaluation. 4/11 TS7221 Table 5. Symbol Electrical characteristics Electrical characteristics for VCC+= 10V, Tamb = 25°C (unless otherwise specified)(1) Parameter Input offset voltage (full common mode range) – TS7221A at Tmin ≤ Tamb ≤ Tmax – TS7221B Tmin ≤ Tamb ≤ Tmax Input offset voltage drift with temperature Input bias current(2) at Tmin ≤ Tamb ≤ Tmax Input offset current(2) at Tmin ≤ Tamb ≤ Tmax Common-mode rejection ratio (0 < Vicm < 10V) Power supply rejection ratio (2.7 < VCC < 10V) Voltage gain(3) -0.3 0.0 0.1 0.2 6 1 1 75 80 240 10.3 10.0 500 0.40 0.55 14 16 300 600 150 300 Min. Typ. Max. Unit VIO 7 10 15 18 mV ΔVIO IIB IIO CMRR PSRR AVD VICM IOH VOL μV/oC pA pA dB dB dB V nA V Input common mode voltage range at Tmin ≤ Tamb ≤ Tmax High level output voltage (IN+=0.5V, IN-=0V & OUT=10V) Low level output voltage, Isink = 5mA at Tmin ≤ Tamb ≤ Tmax Supply current Output low Output high Response time low to high (Vic = 5V, CL = 50pF, RL=10kΩ) Overdrive = 10mV Overdrive = 100mV Response time high to low (Vic = 5V, CL = 50pF, RL=10kΩ) Overdrive = 10mV Overdrive = 100mV Fall time CL = 50pF, RL=5kΩ Overdrive = 10mV , Rise time , CL = 50pF, RL=5kΩ Overdrive = 10mV ICC 7 10 3 0.5 4 0.4 0.3 0.3 μA TPLH μs TPHL μs TF TR μs μs 1. Limits are 100% production tested at +25°C. Behavior at the temperature range limits is guaranteed through correlation and by design. 2. Maximum values include unavoidable inaccuracies of industrial testing. 3. Design evaluation. 5/11 Electrical characteristics TS7221 Figure 1. 10 Supply current vs. supply voltage (output low) Output low No load Figure 2. 12 10 Supply current (µA) Supply current vs. supply voltage (output high) Supply current (µA) 8 T=+85°C T=+85°C 8 6 4 2 0 Output high 6 T=-40°C T=+25°C T=-40°C 4 T=+25°C 2 0 0 2 4 6 8 10 Supply voltage (V) 0 2 4 6 8 10 Supply voltage (V) Figure 3. 1.0 Output sinking current vs. output voltage at VCC = +2.7V, VCC = +5V VCC = + 5V Output Low Figure 4. 4 VIO Input offset voltage (mV) VIO vs. Vicm and temperature at VCC = 2.7V T = -40°C Output voltage (V) 0.8 2 T = +85°C 0 T = +25°C 0.6 TAMB=+85°C 0.4 TAMB=+25°C -2 0.2 TAMB=-40°C 0.0 -4 0 2 4 6 8 10 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Sink current (mA) VICM Common mode voltage (V) Figure 5. 4 VIO Input offset voltage (mV) VIO vs. Vicm and temperature at VCC = 5V T = -40°C Figure 6. 6 VIO Input offset voltage (mV) VIO vs. Vicm and temperature at VCC = 10V 4 2 0 -2 -4 T = -40°C T = +25°C T = +85°C 2 T = +85°C 0 T = +25°C -2 -4 0 1 2 3 4 5 -6 0 2 4 6 8 10 VICM Common mode voltage (V) VICM Common mode voltage (V) 6/11 TS7221 Electrical characteristics Figure 7. 4 TPLH vs Vicm at VCC = 10V and 10mV Figure 8. overdrive 4 TPLH vs Vicm at VCC = 10V and 100mV overdrive TAMB=+25°C RL=10kΩ & CL=50pF TPLH (µs) with 100mV overdrive TPLH (µs) with 10mV overdrive TAMB=+25°C RL=10kΩ & CL=50pF 3 3 2 2 1 1 0 0 5 Common mode voltage (V) 10 0 0 5 Common mode voltage (V) 10 Figure 9. 4 TPLH vs Vicm at VCC = 5V and 10mV Figure 10. TPLH vs Vicm at VCC = 5V and 100mV overdrive overdrive 4 TAMB=+25°C RL=10kΩ & CL=50pF 3 3 2 TPLH (µs) with 100mV overdrive TPLH (µs) with 10mV overdrive TAMB=+25°C RL=10kΩ & CL=50pF 2 1 1 0 0.0 2.5 Common mode voltage (V) 5.0 0 0.0 2.5 Common mode voltage (V) 5.0 Figure 11. TPHL vs Vicm at VCC = 10V and 10mV Figure 12. TPHL vs Vicm at VCC = 10V and overdrive 100mV overdrive 5 5 TPHL (µs) with 10mV overdrive 4 TPHL (µs) with 100mV overdrive 4 TAMB=+25°C RL=10kΩ & CL=50pF 3 TAMB=+25°C RL=10kΩ & CL=50pF 3 2 2 1 1 0 0 5 Common mode voltage (V) 10 0 0 5 Common mode voltage (V) 10 7/11 Electrical characteristics TS7221 Figure 13. TPHL vs Vicm at VCC=5V and 10mV overdrive 3 TAMB=+25°C RL=10kΩ & CL=50pF 2 Figure 14. TPHL vs Vicm at VCC=5V and 100mV overdrive 3 TAMB=+25°C RL=10kΩ & CL=50pF 2 1 TPHL (µs) with 100mV overdrive TPHL (µs) with 10mV overdrive 1 0 0.0 2.5 Common mode voltage (V) 5.0 0 0.0 2.5 Common mode voltage (V) 5.0 8/11 TS7221 Package information 3 Package information In order to meet environmental requirements, STMicroelectronics offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an STMicroelectronics trademark. ECOPACK specifications are available at: www.st.com. Figure 15. SOT23-5L package mechanical data Dimensions Ref. Min. A A1 A2 b C D E E1 e e1 L 0.35 0.90 0.00 0.90 0.35 0.09 2.80 2.60 1.50 0.95 1.9 0.55 13.7 Millimeters Typ. Max. 1.45 0.15 1.30 0.50 0.20 3.00 3.00 1.75 Min. 35.4 0.00 35.4 13.7 3.5 110.2 102.3 59.0 37.4 74.8 21.6 Mils Typ. Max. 57.1 5.9 51.2 19.7 7.8 118.1 118.1 68.8 9/11 Ordering information TS7221 4 Ordering information Table 6. Order codes Temperature range Package Packing Marking K518 SOT23-5L TS7221BILT TS7221AIYLT(1) TS7221BIYLT(1) -40°C, +85°C SOT23-5L (automotive grade) Tape & reel K522 K523 K519 Part number TS7221AILT 1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent. 5 Revision history Table 7. Date 1-Dec-2002 Document revision history Revision 1 Initial release Update of datasheet presentation and format. Change of Tlead temperature in Table 1 on page 2, to reflect change to Pb-free package. Corrections to Vicm upper rail parameters in Electrical characteristics tables. Addition of Pb-free information in Section 3: Package information on page 9. Correction to package mechanical data given in Figure 15 on page 9. Added automotive grade part numbers in Section 4: Ordering information on page 10. Corrected automotive grade part numbers in Table 6: Order codes. Changes 1-Sep-2005 2 26-Mar-2007 5-Jul-2007 3 4 10/11 TS7221 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. 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