DG441BDJ(2003) 查看數據表（PDF） - Vishay Semiconductors

零件编号

产品描述 (功能)

生产厂家

DG441BDJ
(Rev.:2003)

Improved Quad SPST CMOS Analog Switches

Vishay Semiconductors 

APPLICATIONS

+15 V

IN

+15 V

DG442B V+

GND V−

0 = Load Off

1 = Load On

New Product

150 W

+24 V

RL

I = 3A

VN0300L, M

10 kW

+15 V

VIN

+

−

IN

DG441B/442B

Vishay Siliconix

+15 V

1/4 DG442B

S

D

CH +

−

VOUT

−15 V

H = Sample

L = Hold

FIGURE 7. Power MOSFET Driver

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

−15 V

VOUT

Gain error is determined only by the resistor

tolerance. Op amp offset and CMRR will limit ac-

curacy of circuit.

R1

90 kW

R2

5 kW

R3

4 kW

R4

1 kW

With SW4 Closed

VOUT =

VIN

R1 + R2 + R3 + R4

R4

= 100

FIGURE 9. Precision-Weighted Resistor Programmable-Gain Amplifier

Document Number: 72625

S-32553—Rev. A, 15-Dec-03

www.vishay.com

7

Share Link: