LTC6912IGN-1 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

生产厂家

LTC6912IGN-1

Dual Programmable Gain Amplifiers with Serial Digital Interface

Linear Technology 

LTC6912

TYPICAL APPLICATIO

A 2:1 PGA MUX

V+

0.1µF

12

14

V+

V–

CHANNEL A

INPUT

2 INA

1µF

3

AGND

OUT A 15

LTC6912-X

CHANNEL B

INPUT

4 INB

OUT B 13

VOUT

(TO ADC)

3-WIRE

SPI

INTERFACE

5

SHDN

6

CS/LD

7

DATA

8

CLK

CHB

SHDN

CS/LD

DIN

CHA

10

DGND

DOUT

9

6912 TA02

MUX OPERATION: IF THE LOWER NIBBLE (Q3, Q2, Q1, Q0) IS (1, 0, 0, 0) THEN OUTA IS IN

TRI-STATE AND THE UPPER NIBBLE (Q7, Q6, Q5, Q4) CONTROLS THE ACTIVE CHANNEL B.

IF THE UPPER NIBBLE IS (1, 0, 0, 0) THEN OUTB IS IN TRI-STATE

AND THE LOWER NIBBLE CONTROLS ACTIVE CHANNEL A.

RELATED PARTS

PART NUMBER

LT1228

LT1251/LT1256

LTC1564

LTC6910-1/-2/-3

LTC6911-1/-2

LTC6915

DESCRIPTION

100MHZ Gain Controlled Transconductance Amplifier

40Mhz Video Fader and Gain Controlled Amplifier

10kHz to 150kHz Digitally Controlled Filter and PGA

Digitally Controlled Programmable Gain Amplifier

in SOT-23

Dual Digitally Controlled Programmable Gain Amplifier

in MSOP-10

Zero Drift Instrumentation Amp

with Digitally Programmable Gain

COMMENTS

Differential Input, Continuous Analog Gain Control

Two Input, One Output, Continuous Analog Gain Control

Continuous Time, Low Noise 8th Order Filter and 4-Bit PGA

Single Programmable Gain Amplifier, 3-Bit Parallel Digital Interface

Dual Programmable Gain Amplifiers, 3-Bit Parallel Digital Interface

Gains 0 - 4096V/V, 116dB CMRR

24 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

6912fa

LT/LT 1005 REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2004

Share Link: