STG3685 ST Microelectronics, STG3685 Datasheet

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STG3685

Manufacturer Part Number
STG3685
Description
LOW VOLTAGE 0.5ohm MAX DUAL SPDT SWITCH
Manufacturer
ST Microelectronics
Datasheet

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Part Number
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Part Number:
STG3685BJR
Manufacturer:
STM
Quantity:
6 105
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DESCRIPTION
The STG3685 is an high-speed CMOS DUAL
ANALOG S.P.D.T. (Single Pole Dual Throw)
SWITCH or DUAL 2:1 Multiplexer/Demultiplexer
Bus Switch fabricated in silicon gate C
technology. It is designed to operate from 1.4V to
4.3V, making this device ideal for portable
applications.
It offers very low ON-Resistance (<0.5Ω) at
V
switches. The switches nS1 are ON (they are
Figure 1: Pin Connection (Top Through View) And Schematic Circuit
July 2005
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
CC
HIGH SPEED:
t
t
ULTRA LOW POWER DISSIPATION:
I
LOW "ON" RESISTANCE V
R
R
R
WIDE OPERATING VOLTAGE RANGE:
V
4.3V TOLERANT AND 1.8V COMPATIBLE
THRESHOLD ON DIGITAL CONTROL INPUT
at V
LATCH-UP PERFORMANCE EXCEEDS
300mA (JESD 17)
ESD PERFORM. (ANALOG CHAN. vs GND):
HBM > 4KV (MIL STD 883 method 3015)
PD
PD
CC
=3.0V. The IN input is provided to control the
CC
ON
ON
ON
SINGLE ENABLE WITH BREAK BEFORE MAKE FEATURE
= 0.3ns (TYP.) at V
= 0.4ns (TYP.) at V
= 0.2µA (MAX.) at T
CC
(OPR) = 1.4V to 4.3V SINGLE SUPPLY
= 0.4Ω (MAX. T
= 0.5Ω (MAX. T
= 0.6Ω (MAX. T
= 2.3 to 4.3V
LOW VOLTAGE 0.5Ω MAX DUAL SPDT SWITCH,
A
A
A
= 25°C) at V
= 25°C) at V
= 25°C) at V
CC
CC
A
= 85°C
= 3.0V
= 2.3V
I
= 0V:
CC
CC
CC
= 4.2V
= 3.0V
= 2.3V
2
MOS
Table 1: Order Codes
connected to common Ports Dn) when the IN input
is held high and OFF (high impedance state exists
between the two ports) when IN is held low; the
switches nS2 are ON (they are connected to
common Ports Dn) when the IN input is held low
and OFF (high impedance state exists between
the two ports) when IN is held high. Additional key
features are fast switching speed, Break Before
Make
Consumption. All inputs and outputs are equipped
with protection circuits against static discharge,
giving them ESD immunity and transient excess
voltage.
temperature range Flip-chip package with Epoxy
Protection.
PACKAGE
Flip-Chip9
Delay
It’s
Time
available
Flip-Chip
and
in
Ultra
Rev. 2
PRELIMINARY DATA
STG3685
STG3685BJR
the
T & R
Low
commercial
Power
1/10

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STG3685 Summary of contents

Page 1

... ESD PERFORM. (ANALOG CHAN. vs GND): I HBM > 4KV (MIL STD 883 method 3015) DESCRIPTION The STG3685 is an high-speed CMOS DUAL ANALOG S.P.D.T. (Single Pole Dual Throw) SWITCH or DUAL 2:1 Multiplexer/Demultiplexer Bus Switch fabricated in silicon gate C technology designed to operate from 1.4V to 4.3V, making this device ideal for portable applications. It offers very low ON-Resistance (< ...

Page 2

... STG3685 Figure 2: Input Equivalent Circuit Table 4: Absolute Maximum Ratings Symbol V Supply Voltage Input Voltage Control Input Voltage Output Voltage Input Diode Current on control pin (V IKC I DC Input Diode Current ( Output Diode Current Output Current ...

Page 3

... Max. Min. Max. Min. 0.65V 0.65V CC CC 1.4 1.4 1.4 1.4 1.5 1.5 1.6 1.6 1.6 1.6 0.40 0.40 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 400 500 500 600 500 600 600 800 2000 4000 2500 5000 0.15 0.15 ±10 ± 100 ±0.1 ± 1 ±0.05 ±0.2 500 400 150 STG3685 Unit Max. V 0.40 0.50 0.50 V 0.50 0.50 0.50 mΩ Ω nA µA ±1 µA µA 3/10 ...

Page 4

... STG3685 Table 7: AC Electrical Characteristics (C Symbol Parameter t t Propagation Delay PLH, PHL t TURN-ON time ON t TURN-OFF time OFF Break Before Make Time Delay Charge injection Table 8: Analog Switch Characteristics (C Symbol Parameter V OIRR Off Isolation (1) 1.65-4.3 Xtalk Crosstalk 1.65-4.3 THD Total Harmonic 2.3-4.3 Distortion ...

Page 5

... Figure 3: On Resistance Figure 4: Off Leakage Figure 5: Off Isolation Figure 6: Bandwidth Figure 7: Channel To Channel Crosstalk STG3685 5/10 ...

Page 6

... STG3685 Figure 8: Test Circuit C = 5/35pF or equivalent (includes jig and probe capacitance 50Ω or equivalent pulse generator (typically 50Ω) T OUT Figure 9: Break Before Make Time Delay Figure 10: Charge Injection (V 6/ 0Ω 1MΩ, C GEN GEN L = 100pF) L ...

Page 7

... Figure 11: Turn On, Turn Off Delay Time TYPICAL CHARACTERISTICS Figure 12: Switch- STG3685 7/10 ...

Page 8

... STG3685 DIM. MIN. A 1. 0.295 0.061 8/10 Flip-Chip9 MECHANICAL DATA mm. TYP MAX. 1.64 1.69 1.47 1.52 0.80 0.32 0.345 0.5 0.40 0.45 0.25 0.0635 0.066 mils MIN. TYP. 62.6 64.6 55.9 57.9 11.6 12.6 19.7 13.8 15.7 9.8 2.4 2.5 MAX. 66.5 59.8 31.5 13.6 17.7 2.6 ...

Page 9

... Table 9: Revision History Date Revision 13-Jan-2005 1 04-Jul-2005 2 Description of Changes First Release. The Q Values on Table 7 has been updated. STG3685 9/10 ...

Page 10

... STG3685 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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