SGM4782 Просмотр технического описания (PDF) - Shengbang Microelectronics Co, Ltd

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SGM4782

0.5Ω, High Speed, Low Voltage Analog Switch/Multiplexer

Shengbang Microelectronics Co, Ltd 

SGM4782

TEST CIRCUITS (Cont.)

0.5Ω, High Speed, Low Voltage

Analog Switch/Multiplexer

VA,VB

V+

A

V+

B

X0-X3

Y0-Y3

V+

ENABLE

GND

X,Y

50Ω

VOUT

35pF

V+

VA,VB

0

VX,VY

VOUT

0

50%

tD

tR<5ns

tF<5ns

90%

Test Circuit 4. Break-Before-Make Interval (tD)

CHANNEL A

SELECT

B

V+

V+ X_,Y_

VENABLE ENABLE

GND X,Y

VOUT

CL

1000pF

V+

VENABLE

0

VOUT

ΔVOUT

Q = ΔVOUT ×CL

Test Circuit 5. Charge Injection (Q)

CHANNEL A

SELECT

B

V+ 10nF

V+ X_,Y_

ENABLE

GND

X,Y

VIN

VOUT

NETWORK

ANALYZER

50Ω 50Ω

MEAS. REF.

50Ω 50Ω

OFF-ISOLATION = 20log VOUT

VIN

CROSSTALK

=

20log

VOUT

VIN

Test Circuit 6. -3dB Bandwidth, Off-Isolation and Crosstalk

7

SG Micro Corp

www.sg-micro.com

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