ADG751 데이터 시트보기 (PDF) - Analog Devices

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ADG751

CMOS, Low Voltage RF/Video, SPST Switch

Analog Devices 

Test Circuits

V1

S

D

VS

RON = V1/IDS

IDS

Test Circuit 1. On Resistance

IS (OFF)

S

A

VS

D

ID (OFF)

A

VD

Test Circuit 2. Off Leakage

ADG751

S

D

NC

NC = NO CONNECT

ID (ON)

A

VD

Test Circuit 3. On Leakage

VDD

0.1␮F

VDD

VIN

50%

50%

S

D

VOUT

VS

IN

RL

300⍀

CL

35pF

VS

GND

VOUT

90%

90%

t OFF

t ON

Test Circuit 4. Switching Times

RS

VS

VDD

VDD

S

D

IN

GND

CL

1.0nF

VOUT

VIN

ON

VOUT

OFF

QINJ = CL ؋ ⌬VOUT

⌬VOUT

Test Circuit 5. Charge Injection

VDD

0.1␮F

NETWORK

ANALYZER

50⍀

VS

50⍀

IN

VIN

VDD

S

D

NETWORK

ANALYZER

RL VOUT

50⍀

GND

OFF

ISOLATION

=

20

LOG

VOUT

VS

Test Circuit 6. Off Isolation

NETWORK

ANALYZER

50⍀

VS

VDD

0.1␮F

VDD

S

D

IN

NETWORK

ANALYZER

RL VOUT

50⍀

VIN

GND

INSERTION LOSS = 20 LOG VOUT WITH SWITCH

VOUT WITHOUT SWITCH

Test Circuit 7. Bandwidth

REV. A

–9–

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