STG3856QTR

STG3856 Low voltage 1.0 Ω max dual SP3T switch with break-before-make feature Features ■ High speed: – tPD = 0.3 ns (typ.) at VCC = 3.0 V – tPD = 0.4 ns (typ.) at VCC = 2.3 V ■ Ultra low power dissipation: – ICC = 0.2 µA (max.) at TA = 85°C ■ Low ON resistance VIN = 0 V: – RON = 1.0 Ω (max. TA = 25°C) at VCC = 4.3 V – RON = 1.5 Ω (max. TA = 25°C) at VCC = 3.0 V – RON = 1.8 Ω (max. TA = 25°C) at VCC = 2.3 V QFN12L Description ■ Wide operating voltage range: – VCC (opr) = 1.65 V to 4.3 V single supply ■ 4.3 V tolerant and 1.8 V compatible threshold on digital control input at VCC = 2.3 to 4.3 V ■ Latch-up performance exceeds 300 mA (JESD 17) ■ ESD performance (analog channel vs. GND): HBM > 2 kV (MIL STD 883 method 3015) Table 1. The STG3856 is a high-speed CMOS low voltage dual analog SP3T (single pole triple throw) switch or dual 3 : 1 multiplexer /demultiplexer switch fabricated in silicon gate C2MOS technology. It is designed to operate from 1.65 V to 4.3 V, making this device ideal for portable applications. The device offers very low ON resistance (< 1.0 Ω) at VCC = 4.3 V. The disabling and enabling of switches are done by setting the 1IN and 2IN control pins. Additional key features are fast switching speed, and ultra low power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Device summary Order code Temperature range Package Packaging STG3856QTR -40°C to +85°C QFN12L (2.2 x 1.4 mm) Tape and reel March 2010 Doc ID 11932 Rev 3 1/15 www.st.com 15 Summary description STG3856 1 Summary description 1.1 Pin connections and description Figure 1. Connection diagram (top through view) IN1 12 Table 2. 1.2 IN2 11 10 1S1 1 9 2S1 1S2 2 8 2S2 1S3 3 7 2S3 4 5 6 D1 GND D2 Pin description Pin Symbol Name and function 12, 10 1IN, 2IN Controls 1,2,3, 9,8,7 1S1, 1S2, 1S3, 2S1, 2S2, 2S3 Independent channels 4,6 D1, D2 Common channels 11 VCC Positive supply voltage 5 GND Ground (0 V) 1IN 2IN Switch state L L High impedance L H D1-1S1, D2-2S1 H L D1-1S2, D2-2S2 H H D1-1S3, D2-2S3 Truth table Table 3. 2/15 VCC Truth table Doc ID 11932 Rev 3 STG3856 1.3 Summary description Internal schematic Figure 2. 1.4 Internal schematic Input equivalent circuit Figure 3. Input equivalent circuit Doc ID 11932 Rev 3 3/15 Maximum ratings 2 STG3856 Maximum ratings Stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 4. Absolute maximum ratings Symbol VCC Parameter Supply voltage Unit -0.5 to 5.5 V -0.5 to VCC + 0.5 V -0.5 to 5.5 V -0.5 to VCC + 0.5 V VI DC Input voltage VIC DC Control input voltage VO DC output voltage IIKC DC input diode current on control pin (VIN < 0 V) - 50 mA IIK DC input diode current (VIN < 0 V) ± 50 mA IOK DC output diode current ± 20 mA IO DC output current ± 150 mA IOP DC output current peak (pulse at 1 ms, 10% duty cycle) ± 300 mA DC VCC or ground current ± 100 mA ICC or IGND PD TSTG TL Power dissipation at TA = 70ºC (1) Storage temperature Lead temperature (10 sec) 1. Derate above 70ºC by 18.5mW/C. 4/15 Value Doc ID 11932 Rev 3 mW -65 to 150 °C 300 °C STG3856 3 Electrical characteristics Electrical characteristics Table 5. Recommended operating conditions Symbol VCC Parameter Supply voltage (1) Value Unit 1.4 to 4.3 V VI Input voltage 0 to VCC V VIC Control input voltage 0 to VCC V VO Output voltage 0 to VCC V TOP Operating temperature -55 to 125 °C dt/dv Input rise and fall time control input VCC = 1.65 V to 2.7 V 0 to 20 ns/V VCC = 3.0 to 4.3 V 0 to 10 1. Truth table guaranteed: 1.2 V to 4.3 V. 3.1 DC electrical characteristics Table 6. DC electrical characteristics Test condition Symb ol VIH VIL Value Parameter VCC (V) High level input voltage Low level input voltage TA = 25°C -40 to 85°C Min Min Typ Max 1.65 1.95 0.65 VCC – – 2.3 2.5 1.4 – – 1.4 – 1.4 – 2.7 3.0 1.4 – – 1.4 – 1.4 – 3.3 4.3 1.5 – – 1.5 – 1.5 – 1.65 1.95 – – 0.40 – 0.40 – 0.40 2.3 2.5 – – 0.50 – 0.50 – 0.50 2.7 3.0 – – 0.50 – 0.50 – 0.50 3.3 4.3 – – 0.50 – 0.50 – 0.50 0.65 V Max -55 to 125°C – CC Min 0.65 V Unit Max – CC V V Doc ID 11932 Rev 3 5/15 Electrical characteristics Table 6. STG3856 DC electrical characteristics (continued) Test condition Symb ol TA = 25°C Parameter VCC (V) 4.3 3.0 RON Switch ON resistance 2.7 2.3 1.8 VS = 0 V to VCC IS = 100 mA 1.65 ON resistance ΔRON match between channels 2.7 VS at R ON max IS = 100 mA 4.3 ON resistance RFLAT flatness (1)(2) 3.0 2.7 2.3 VS = 0 V to VCC IS = 100 mA 1.65 IOFF Value OFF state leakage current (nSN), (Dn) -40 to 85°C -55 to 125°C Min Typ Max Min Max Min Max – 0.6 1.0 – 1.2 – – – 1.3 1.5 – 1.8 – – – 1.5 1.8 – 2.2 – – – 2.0 2.2 – 2.6 – – – 2.5 3.0 – 3.6 – – – 3.3 4.0 – 4.8 – – – 0.01 – – – – – – – – – – – – – – – – – – – – 0.35 – – – – 0.22 0.35 – – – – – – – – – – – – – – 4.3 VS = 0.3 or 4 V – – ± 20 – ±10 0 – IIN Input leakage current 0 - 4.3 VIN = 0 to 4.3 V – – ± 0.1 – ±1 – ICC Quiescent supply current 1.65 4.3 VIN = VC C or GND – – ± 0.0 5 – ± 0. 2 – ±1 VIN1, VIN2 = 1 .65 V – ± 37 ± 50 – ± 10 0 – – VIN1, VIN2 = 1. 80V – ± 33 ± 40 – ± 50 – – VIN1, VIN2 = 2 .60V – ± 12 ± 20 – ± 30 – – ICCLV Quiescent supply current low voltage driving 4.3 1. ΔRon = max |mSN-nSN|, where m = 1 and n = 2, N = 1..3 Doc ID 11932 Rev 3 Ω Ω Ω nA µA 2. Flatness is defined as the difference between the maximum and minimum value of ON resistance as measured over the specified analog signal ranges. 6/15 Unit µA µA STG3856 Electrical characteristics 3.2 AC electrical characteristics Table 7. AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤ 5 ns) Test condition Symbol tPLH, tPHL Parameter Propagation delay Turn-ON time TA = 25°C VCC Typ Max Min Max Min Max 1.65 1.95 – 0.45 – – – – – 2.3 - 2.7 – 0.40 – – – – – 3.0 - 3.3 – 0.30 – – – – – 3.6 - 4.3 – 0.30 – – – – – – 56 – – – – – – 33 50 – 60 – – – 21 40 – 50 – – – 19 40 – 50 – – – 24 – – – – – 17 25 – 40 – – – 14 20 – 30 – – – 12 20 – 30 – – 10 31 – – – – – 10 22 40 – 50 – – 10 18 30 – 40 – – 10 7 25 – 35 – – – 25 – – – – – – 35 – – – – – – 40 – – – – – – 55 – – – – – VS = 0.8 V 2.3 - 2.7 VS = 1.5 V 3.6 - 4.3 1.65 1.95 Turn-OFF time VS = 0.8 2.3 - 2.7 3.0 - 3.3 VS = 1.5 V 3.6 - 4.3 1.65 1.95 tD Break-before make time delay VS = 0.8 2.3 - 2.7 3.0 - 3.3 VS = 1.5 V 3.6 - 4.3 1.65 1.95 Q Charge injection -55 to 125°C Min 3.0 - 3.3 tOFF -40 to 85°C (V) 1.65 1.95 tON Value 2.3 - 2.7 3.0 - 3.3 3.6 - 4.3 CL=100pF RL=1MO VGEN=0V RGEN=0Ω Doc ID 11932 Rev 3 Unit ns ns ns ns pC 7/15 Electrical characteristics STG3856 3.3 Analog switch Table 8. Analog switch characteristics (CL = 5p F, RL = 50 Ω, TA = 25°C) Test condition Symbol Parameter Value TA = 25°C VCC (V) -40 to 85°C -55 to 125°C Unit Min Typ Max Min Max Min Max OIRR Off Isolation (1) 1.65 - 4.3 VS = 1VRMS f = 100 kHz – -82 – – – – – dB Xtalk Crosstalk 1.6 - 4.3 VS = 1 VRMS f = 100 kHz – -84 – – – – – dB THD Total harmonic distortion 2.3 - 4.3 RL = 600 Ω VIN = 2 VPP f = 20 Hz to 20 kHz – 0.03 – – – – – % BW -3dB bandwidth 1.65 - 4.3 RL = 50 Ω – 100 – – – – – MHz CIN Control pin input capacitance – 5 – – – – – CSn(OFF) Sn port OFF capacitance 3.3 f = 1 MHz – – – – – – – CSn(ON) Sn port ON capacitance 3.3 f = 1 MHz – – – – – – – D port capacitance when switch is enabled 3.3 f = 1 MHz – – – – – – – CD pF 1. OFF Isolation = 20 Log10 (VD/VS), VD = output, VS = input at off switch 8/15 Doc ID 11932 Rev 3 STG3856 4 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 4. QFN12L (2.2 x 1.4 mm) package outline All dimensions are in millimeters Doc ID 11932 Rev 3 9/15 Package mechanical data Table 9. STG3856 FN12L (2.2 x 1.4 mm) mechanical data Millimeters Inches Symbol Min Typ Max Min Typ Max A 0.50 0.55 0.60 0.019 0.021 0.023 A1 0 0.02 0.05 0 0.001 0.002 b 0.15 0.20 0.25 0.006 0.007 0.010 D 1.30 1.40 1.50 0.051 0.055 0.059 E 2.10 2.20 2.30 0.082 0.086 0.090 e L Figure 5. 10/15 0.40 0.35 0.40 0.015 0.45 Footprint recommendation Doc ID 11932 Rev 3 0.013 0.015 0.017 STG3856 Package mechanical data Figure 6. QFN12L (2.2 x 1.4 mm) reel for carrier tape information Doc ID 11932 Rev 3 11/15 Package mechanical data Figure 7. 12/15 STG3856 QFN12L (2.2 x 1.4 mm) reel for carrier tape information Doc ID 11932 Rev 3 STG3856 Package mechanical data Figure 8. QFN12L (2.2 x 1.4 mm) carrier tape information Doc ID 11932 Rev 3 13/15 Revision history 5 STG3856 Revision history Table 10. 14/15 Document revision history Date Revision Changes 22-Dec-2005 1 First draft. 23-Dec-2005 2 Few changes. 15-Mar-2010 3 The document has been reformatted, added tape and reel information. Doc ID 11932 Rev 3 STG3856 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. 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