LT1990-10

16

Rev 0

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ANALOG DEVICES, INC. 2018

D17017-0-6/18(0)

www.analog.com

RELATED PARTS

TYPICAL APPLICATIONS

PART NUMBER

DESCRIPTION

COMMENTS

LT1787

Precision High Side Current Sense Amplifier

On-Chip Precision Resistor Array

LT1789

Micropower Instrumentation Amplifier

Micropower, Precision, G = 1 to 1000

LTC1921

Dual –48V Supply and Fuse Monitor

Withstands ±200V Transients

LT1990

±250V Input Range Difference Amplifier

Micropower, Precision, Pin Selectable G = 1 or 10

LT1991

High Accuracy Difference Amplifier

Micropower, Precision, Pin Selectable G = –13 to 14

LT1995

30MHz, 1000V/µs Gain Selectable Amplifier

Pin Selectable G = –7 to 8

LTC6910

Single Supply Programmable Gain Amplifier

Digitally Controlled, SOT-23, G = 0 to 100

LT1997-3

Wide Voltage Range Gain Selectable Amplifier

±160V Input Voltage Range, Pin Selectable G = –13 to 14

LT6375

±270V Common Mode Voltage Difference Amplifier

97dB Minimum CMRR, Over the Top Protected Inputs

LT6376

±230V Common Mode Voltage Difference Amplifier G = 10 90dB Minimum CMRR, Over the Top Protected Inputs

LT1999-X

High Voltage, Bidirectional Current Sense Amplifier

Three Gain Options, –5V to 80V Input Common Mode Voltage Range

Telecom Supply Current Monitor

Bidirectional Controlled Current Source

Boosted Bidirectional Controlled Current Source

–

+

LT6650

GND

IN

OUT

FB

174k

20k

1nF

1µF

VREF = 4V

LOAD

RS

48V

IL

+

–

5V

VOUT

199010 TA02

–77V ≤ VCM ≤ 8V

VOUT = VREF – (10 • IL • RS)

LT1990-10

REF

–

+

+V

–V

LT1990-10

ILOAD

ILOAD = 10 • VCTL/RSENSE ≤ 100mA

EXAMPLE: FOR RSENSE =100,

OUTPUT IS 1mA PER 10mV INPUT

VCTL

RSENSE

199010 TA03

10µF

1k

1k

REF

CZT751

CZT651

+

–

+

+V

–V

LT1990-10

ILOAD

ILOAD = 10 • VCTL/RSENSE ≤ 3mA

EXAMPLE: FOR RSENSE =1k,

OUTPUT IS 1mA PER 100mV INPUT

VCTL

RSENSE

199010 TA04

REF