STG3684A Low voltage 0.5 Ω max dual SPDT switch with break-before-make Features ■ Ultra low power dissipation: ICC = 0.2 μA (max.) at TA = 85 °C ■ Low ON resistance VIN = 0 V: – RON = 0.45 Ω (max. TA = 25 °C) at VCC = 4.3 V – RON = 0.50 Ω (max. TA = 25 °C) at VCC = 3.6 V – RON = 0.50 Ω (max. TA = 25 °C) at VCC = 3.0 V DFN10L (2.3 x 2 mm) ■ Wide operating voltage range: VCC (OPR) = 1.65 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: HMB > 2 kV (MIL STD 883 method 3015) QFN10L (1.8 x 1.4 mm) Description The STG3684A is a high-speed CMOS dual analog SPDT (single-pole dual-throw) switch or dual 2:1 multiplexer/demultiplexer bus switch fabricated using silicon gate C2MOS technology. Designed to operate from 1.65 to 4.3 V, this device is ideal for portable applications. Table 1. It offers very low ON resistance (RON < 0.5 Ω) at VCC = 3.0 V. The nIN inputs are provided to control the independent channel switches nS1 and nS2. The switches nS1 are ON (connected to common ports Dn) when the nIN input is held high and OFF (state of high impedance exists between the two ports) when nIN is held low. The switches nS2 are ON (connected to common ports Dn) when the nIN input is held low and OFF (state of high impedance exists between the two ports) when IN is held high. Additional key features are fast switching speed, break-before-make delay time and ultra low power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them ESD and excess transient voltage immunity. Device summary Order code Package Packaging STG3684AUTR QFN10L (1.8 x 1.4 mm) Tape and reel STG3684ADTR DFN10L (2.3 x 2 mm) Tape and reel November 2007 Rev 6 1/28 www.st.com 28 Contents STG3684A Contents 1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Input equivalent circuit and truth table . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2/28 STG3684A List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 DC specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤6 ns) . . . . . . . . . . . . . . . . . . . 10 Analog switch characteristics (CL = 5 pF, RL = 50 Ω, TA = 25 °C) . . . . . . . . . . . . . . . . . . . 11 QFN10L (1.8 x 1.4 mm) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 DFN10L (2 x 2.3 mm) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3/28 List of figures STG3684A List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. 4/28 Pin connection (top through view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Input equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ON resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 OFF leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 OFF isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Channel-to-channel crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Break-before-make time delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Charge injection (VGEN = 0 V, RGEN = 0 Ω, RL = 1 MΩ, CL = 100 pF) . . . . . . . . . . . . . . . . 16 Turn-on, turn-off delay time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 QFN10L (1.8 x 1.4 mm) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 QFN10L (1.8 x 1.4 mm) footprint recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 QFN10L (1.8 x 1.4 mm) carrier type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 QFN10L (1.8 x 1.4 mm) reel information - back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 QFN10L (1.8 x 1.4 mm) reel information - front side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 DFN10L (2 x 2.3 mm) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 DFN10L (2 x 2.3 mm) carrier type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 DFN10L (2 x 2.3 mm) reel information - back view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 DFN10L (2 x 2.3 mm) reel information - front side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 STG3684A Pin settings 1 Pin settings 1.1 Pin connection D1 1IN 10 9 Pin connection (top through view) 7 2S1 3 6 2S2 V CC 5 2 1S1 D2 GND 1 4 8 1S2 2IN Figure 1. QFN10L (1.8 x 1.4 mm) V CC 1 10 2S2 1IN 2 9 D2 1S1 3 8 2S1 D1 4 7 2IN 5 6 GND 1S2 DFN10L (2.3 x 2 mm) 5/28 Pin settings 1.2 STG3684A Pin description Table 2. Pin description Pin number Symbol Note: 6/28 Name and function QFN10L DFN10L 1 5 1S2 Independent channel 2 3 1S1 Independent channel 3 1 VCC Positive voltage supply 4 7 2IN Control 5 9 D2 Common channel 6 10 2S2 Independent channel 7 8 2S1 Independent channel 8 6 GND Ground (0V) 9 2 1IN Control 10 4 D1 Common channel Exposed pad must be soldered to a floating plane. Do NOT connect to power or ground. STG3684A 2 Input equivalent circuit and truth table Input equivalent circuit and truth table Figure 2. Input equivalent circuit Table 3. Truth table IN Switch S1 Switch S2 H ON OFF(1) L OFF(1) ON 1. High impedance 7/28 Maximum rating 3 STG3684A Maximum rating 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. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 4. Absolute maximum ratings Symbol VCC 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 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 ± 300 mA IOP DC Output current peak (pulse at 1 ms, 10% duty cycle) ± 500 mA DC VCC or ground current ± 100 mA Power dissipation at TA = 70°C 1120 mW −65 to 150 °C 300 °C Value Unit 1.65 to 4.3 V PD TSTG TL Storage temperature Lead temperature (10 sec) Recommended operating conditions Table 5. Recommended operating conditions Symbol VCC Parameter Supply voltage VI Input voltage 0 to VCC V VIC Control input voltage 0 to 4.3 V VO Output voltage 0 to VCC V Top Operating temperature −40 to 85 °C VCC = 1.65 to 2.7 V dt/dv 0 to 20 Input rise and fall time control input ns/V VCC= 3.0 to 4.3 V 8/28 Value VI ICC or IGND 3.1 Parameter 0 to 10 STG3684A 4 Electrical characteristics Electrical characteristics Table 6. DC specifications Value Symbol Parameter VCC (V) Test condition TA = 25 °C Min VIH VIL High level input voltage Low level input voltage 0.65 VCC 2.3 −2.5 1.2 1.2 2.7 −3.0 1.3 1.3 3.0 −3.6 1.4 1.4 4.3 1.5 1.5 0.25 2.3 −2.5 0.25 0.25 2.7 −3.0 0.25 0.25 3.0 −3.6 0.30 0.30 4.3 0.40 0.40 0.40 0.45 0.50 0.40 0.50 0.60 0.40 0.50 0.60 0.48 0.70 0.80 0.55 0.9 1.0 3.0 1.8 RFLAT IOFF IIN ON resistance match between channels (1)(2) ON resistance flatness (3) OFF state leakage current (nSn), (Dn) Input leakage current V 0.25 VS = 0 V to VCC IS = 100 mA 2.7 VS = 1.5 V IS = 100 mA 0.15 0.20 0.20 3.6 0.15 0.20 0.20 0.15 0.20 0.20 0.15 0.20 0.20 2.3 0.20 0.25 0.25 1.65 0.35 0.45 0.45 2.7 VS = 1.5 V IS = 100 mA V Ω Ω 0.1 4.3 3.0 Unit Max 1.65 − 1.95 2.3 ΔRON Min 0.65 VCC 3.6 RON Max 1.65 − 1.95 4.3 Switch ON resistance (1) Typ -40 to 85 °C Ω 4.3 VS=0.3 or 4V ±20 ±100 nA 0 −4.3 VIN = 0 to 4.3 V ±0.05 ±1 μA 9/28 Electrical characteristics Table 6. STG3684A DC specifications (continued) Value Symbol Test condition VCC (V) Parameter TA = 25 °C Min ICC ICCLV Quiescent supply current (1) 1.65 −4.3 Quiescent supply current low voltage driving 4.3 Typ VIN = VCC or GND -40 to 85 °C Max Min Unit Max ±0.05 ±0.2 V1IN, V2IN = 1.65 V ±37 ±50 ±100 V1IN, V2IN = 1.80 V ±33 ±40 ±50 V1IN, V2IN = 2.60 V ±12 ±20 ±30 μA μA 1. Guaranteed by design 2. ΔRON = RON(max) - RON(min). 3. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal ranges. Table 7. AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤6 ns) Value Symbol Parameter VCC (V) Test condition TA = 25 °C Min tPLH, tPHL Propagation delay 1.65 −1.95 0.45 2.3 −2.7 0.40 3.0 −3.3 0.30 3.6 −4.3 0.30 Turn-ON time 1.65 −1.95 VS = 0.8 V Turn-OFF time 1.65 −1.95 Break-before make time delay 2.3 −2.7 3.0 −3.3 3.6 −4.3 10/28 85 90 42 55 65 40 55 65 18 30 40 16 30 40 15 30 40 ns VS = 1.5 V 3.6 −4.3 tD 65 45 2.3 −2.7 3.0 −3.3 Max ns VS = 1.5 V 3.6 −4.3 tOFF Min 120 2.3 −2.7 3.0 −3.3 Max Unit ns 1.65 −1.95 VS = 0.8 V tON Typ -40 to 85 °C CL = 35 pF RL = 50 Ω VS = 1.5 V 2 80 2 60 2 55 2 50 ns STG3684A Electrical characteristics Table 7. AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤6 ns) Value Symbol Parameter VCC (V) Test condition TA = 25 °C Min 1.65 −1.95 Q Charge injection 2.3 −2.7 3.0 −3.3 3.6 −4.3 Table 8. Typ Max -40 to 85 °C Min Unit Max 43 CL = 100 pF RL = 1 MΩ VGEN = 0 V RGEN = 0 Ω 51 pC 51 49 Analog switch characteristics (CL = 5 pF, RL = 50 Ω, TA = 25°C) Value Symbol Parameter VCC (V) Test condition TA = 25 °C Min Typ Max -40 to 85 °C Min Unit Max OIRR Off isolation(1) 1.65 −4.3 VS = 1 VRMS f = 100 kHz -66 dB Xtalk Crosstalk 1.65 −4.3 VS = 1 VRMS f = 100 kHz -72 dB THD Total harmonic distortion RL = 600 Ω VIN = 2VPP 2.3 −4.3 f = 20 Hz to 20 kHz 0.02 % BW -3dB bandwidth 1.65 −4.3 RL= 50 Ω 55 MHz CIN Control pin input capacitance 5 CSn Sn port capacitance 3.3 f = 1 MHz 40 CD D port capacitance when switch is enabled 3.3 f = 1 MHz 114 pF 1. Off Isolation = 20Log10 (VD/VS), VD = output. VS = input at off switch 11/28 Test circuit 5 STG3684A Test circuit Figure 3. ON resistance I DS V V CC D S1 VS S2 IN GND GND CS14071 Figure 4. OFF leakage V CC I I S(OFF) D(OFF) D A A V SS V S2 IN V CC GND CS14081 12/28 D STG3684A Test circuit Figure 5. OFF isolation V CC S1 V OUT 50 Ω S2 IN GND VS GND CS00381 Figure 6. Bandwidth V CC S1 V OUT 50 Ω S2 IN V CC V S GND CS00371 13/28 Test circuit STG3684A Figure 7. Channel-to-channel crosstalk CS14091 Figure 8. Test circuit CL = 5/35 pF or equivalent (includes jig and probe capacitance) RL = 50 Ω or equivalent RT = ZOUT of pulse generator (typically 50 Ω) 14/28 STG3684A Test circuit Figure 9. Break-before-make time delay 15/28 Test circuit STG3684A Figure 10. Charge injection (VGEN = 0 V, RGEN = 0 Ω, RL = 1 MΩ, CL = 100 pF) 16/28 STG3684A Test circuit Figure 11. Turn-on, turn-off delay time 17/28 Package mechanical data 6 STG3684A Package mechanical data In order to meet environmental requirements, ST 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 ST trademark. ECOPACK specifications are available at: www.st.com. Figure 12. QFN10L (1.8 x 1.4 mm) package outline 1. Drawing not to scale. 18/28 STG3684A Package mechanical data Table 9. QFN10L (1.8 x 1.4 mm) mechanical data millimeters inches Symbol Nom Min Max Nom Min Max A 0.50 0.45 0.55 0.020 0.017 0.021 A1 0.02 0 0.05 0.001 0 0.002 A3 0.127 0.005 0 0 b 0.20 0.15 0.25 0.007 0.006 0.010 D 1.80 1.70 1.90 0.070 0.066 0.074 E 1.40 1.30 1.50 0.055 0.051 0.059 e 0.40 L 0.40 0.011 0.020 0.015 0.30 0.50 0.015 Figure 13. QFN10L (1.8 x 1.4 mm) footprint recommendations 1. Drawing not to scale. 19/28 Package mechanical data Figure 14. QFN10L (1.8 x 1.4 mm) carrier type 1. Drawing not to scale. 20/28 STG3684A STG3684A Package mechanical data Figure 15. QFN10L (1.8 x 1.4 mm) reel information - back view 1. Drawing not to scale. 21/28 Package mechanical data Figure 16. QFN10L (1.8 x 1.4 mm) reel information - front side 1. Drawing not to scale. 22/28 STG3684A STG3684A Package mechanical data Figure 17. DFN10L (2 x 2.3 mm) package outline 1. Drawing not to scale. Table 10. DFN10L (2 x 2.3 mm) mechanical data millimeters mils Symbol A Min Typ Max Min Typ Max 0.50 0.55 0.60 19.7 21.7 23.6 0.02 0.05 0.8 2.0 A1 b 0.15 0.20 0.25 5.9 7.9 9.8 D 2.20 2.30 2.40 86.6 90.6 94.5 D2 1.65 1.70 1.75 65.0 66.9 68.9 E 1.90 2 2.10 74.8 78.7 82.7 E2 0.15 0.20 0.25 5.9 7.9 9.8 e 0.40 L 0.35 K 0.20 0.40 15.7 0.45 13.8 15.7 17.7 7.9 23/28 Package mechanical data Figure 18. DFN10L (2 x 2.3 mm) carrier type 1. Drawing not to scale. 24/28 STG3684A STG3684A Package mechanical data Figure 19. DFN10L (2 x 2.3 mm) reel information - back view 1. Drawing not to scale. 25/28 Package mechanical data Figure 20. DFN10L (2 x 2.3 mm) reel information - front side 1. Drawing not to scale. 26/28 STG3684A STG3684A 7 Revision history Revision history Table 11. Document revision history Date Revision 04-Jul-2005 1 First release 22-Aug-2005 2 The VCC and VIC values has been changed on Table 4 on page 8 15-May-2006 3 New template, few updates 21-Jun-2006 4 Mechanical data updated 10-Sept-2007 5 Removed STG3684QTR order code, small text changes, updated Figure 3 on page 12, Figure 4 on page 12, Figure 5 on page 13, Figure 6 on page 13, layout restructured 6 Added list of tables and list of figures, updated Features Section on page 1 and Top value in Table 5 on page 8, removed the -55 to 125 ° C values in Table 6 on page 9 and Table 7 on page 10, minor changes to the text and layout 15-Nov-2007 Changes 27/28 STG3684A 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. 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