Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsInterface ICsInterface IC - analogue switches QFN 10

February 2011 Doc ID 11481 Rev 7 1/29

STG3684A

Low voltage 0.5 Ω max dual SPDT switch

with break-before-make

Features

■ Ultra low power dissipation:

=0.2μA (max.) at T

=85°C

■ Low ON resistance V

=0V:

–R

=0.50Ω (max. T

=25°C)

at V

=4.3V

–R

=0.50Ω (max. T

=25°C)

at V

=3.6V

■ Wide operating voltage range:

(OPR) = 1.65 to 4.3 V single supply

■ 4.3 V tolerant and 1.8 V compatible

threshold on digital control input

at V

= 2.3 to 4.3 V

■ Latch-up performance exceeds 300 mA

(JESD 17)

■ ESD performance:

HMB > 2 kV (MIL STD 883 method 3015)

Table 1. Device summary

Order code Package Packing

STG3684AUTR

QFN10L

(1.8 x 1.4 mm)

Tape and reel

STG3684ADTR

DFN10L

(2.3 x 2 mm)

Tape and reel

QFN10L

DFN10L

(2.3x2mm)

(1.8 x 1.4 mm)

www.st.com

Summary of content (29 pages)

PAGE 1
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 = 0.50 Ω (max. TA = 25 °C) at VCC = 4.3 V – RON = 0.50 Ω (max. TA = 25 °C) at VCC = 3.6 V ■ 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 DFN10L (2.3 x 2 mm) QFN10L (1.8 x 1.4 mm) Table 1.
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Contents STG3684A Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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. 4/29 Pin connection (top through view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Input equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 5
STG3684A 1 Description 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. It offers very low ON resistance (RON < 0.5 Ω) at VCC = 3.6 V. The nIN inputs are provided to control the independent channel switches nS1 and nS2.
PAGE 6
Pin settings STG3684A 2 Pin settings 2.1 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.
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STG3684A 2.2 Pin settings Pin description Table 2. Pin description Pin number Symbol Note: 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 (0 V) 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.
PAGE 8
Input equivalent circuit and truth table 3 STG3684A 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.
PAGE 9
STG3684A 4 Maximum rating 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.
PAGE 10
Electrical characteristics STG3684A 5 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 ΔRON RFLAT IOFF ON resistance match between channels(1),(2) ON resistance flatness (3) OFF state leakage current (nSn), (Dn) IIN Input leakage current ICC Quiescent supply current (1) 10/29 Min 0.65 VCC 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.
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STG3684A Table 6. Electrical characteristics DC specifications (continued) Value Symbol Parameter VCC (V) Test condition TA = 25 °C Min ICCLV Quiescent supply current low voltage driving 4.3 -40 to 85 °C Typ Max Min V1IN, V2IN = 1.65 V ±37 ±50 ±100 V1IN, V2IN = 1.80 V ±33 ±40 ±50 V1IN, V2IN = 2.60 V ±12 ±20 ±30 Unit Max μA 1. Guaranteed by design. 2. ΔRON = RON(max) - RON(min). 3.
PAGE 12
Electrical characteristics Table 7. STG3684A AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤ 6 ns) (continued) 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.
PAGE 13
STG3684A 6 Test circuit Test circuit Figure 3.
PAGE 14
Test circuit STG3684A Figure 4. OFF leakage 9 && , , 6 2)) ' $ ' 2)) $ 9 66 9 6 ,1 9 && *1' &6 Figure 5.
PAGE 15
STG3684A Test circuit Figure 6. Bandwidth V CC S1 V OUT 50 Ω S2 IN V CC V S GND CS00371 Figure 7.
PAGE 16
Test circuit STG3684A Figure 8. Test circuit 1. CL = 5/35 pF or equivalent (includes jig and probe capacitance). RL = 50 Ω or equivalent. RT = ZOUT of pulse generator (typically 50 Ω). Figure 9.
PAGE 17
STG3684A Test circuit Figure 10.
PAGE 18
Test circuit STG3684A Figure 11.
PAGE 19
STG3684A 7 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 12. QFN10L (1.8 x 1.4 mm) package outline 1. Drawing not to scale.
PAGE 20
Package mechanical data Table 9. STG3684A 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.
PAGE 21
STG3684A Package mechanical data Figure 14. QFN10L (1.8 x 1.4 mm) carrier type !- 1. Drawing not to scale.
PAGE 22
Package mechanical data STG3684A Figure 15. QFN10L (1.8 x 1.4 mm) reel information - back view !- 1. Drawing not to scale.
PAGE 23
STG3684A Package mechanical data Figure 16. QFN10L (1.8 x 1.4 mm) reel information - front side !- 1. Drawing not to scale.
PAGE 24
Package mechanical data STG3684A 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 24/29 0.40 L 0.35 K 0.20 0.
PAGE 25
STG3684A Package mechanical data Figure 18. DFN10L (2 x 2.3 mm) carrier type + ! " #/6%2 ! " + $&. , 1. Drawing not to scale.
PAGE 26
Package mechanical data STG3684A Figure 19. DFN10L (2 x 2.3 mm) reel information - back view !- 1. Drawing not to scale.
PAGE 27
STG3684A Package mechanical data Figure 20. DFN10L (2 x 2.3 mm) reel information - front side !- 1. Drawing not to scale.
PAGE 28
Revision history 8 STG3684A Revision history Table 11. 28/29 Document revision history Date Revision Changes 04-Jul-2005 1 First release. 22-Aug-2005 2 The VCC and VIC values has been changed on Table 4 on page 9. 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 13, Figure 4 on page 14, Figure 5 on page 14, Figure 6 on page 15, layout restructured.
PAGE 29
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. All ST products are sold pursuant to ST’s terms and conditions of sale.