DG441B 查看數據表（PDF） - Vishay Semiconductors

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DG441B

Improved Quad SPST CMOS Analog Switches

Vishay Semiconductors 

DG441B, DG442B

Vishay Siliconix

APPLICATIONS

+ 15 V

IN

+ 15 V

DG442B V+

150 Ω

+ 24 V

RL

I = 3A

VN0300 L, M

GND V-

10 kΩ

+ 15 V

0 = Load Off

1 = Load On

Figure 7. Power MOSFET Driver

VIN

+

-

+ 15 V

1/4 DG442B

S

D

CH +

-

VOUT

IN

- 15 V

H = Sample

L = Hold

Figure 8. Open Loop Sample-and-Hold

VIN

GAIN1

AV = 1

GAIN2

AV = 10

GAIN3

AV = 20

GAIN4

AV = 100

+

-

+ 15 V

V+

DG441 or DG442

V-

GND

VOUT

Gain error is determined only by the resistor

tolerance. Op amp offset and CMRR will limit ac-

curacy of circuit.

R1

90 kΩ

R2

5 kΩ

R3

4 kΩ

R4

1 kΩ

With SW4 Closed

VOUT =

VIN

R1 + R2 + R3 + R4

R4

= 100

- 15 V

Figure 9. Precision-Weighted Resistor Programmable-Gain Amplifier

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon

Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and

reliability data, see www.vishay.com/ppg?72625.

www.vishay.com

For technical questions, contact: pmostechsupport@vishay.com

Document Number: 72625

8

S13-1284-Rev. C, 27-May-13

This document is subject to change without notice.

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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