LT6003CDC datasheet(20/20 Pages) LINER

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LT6003/LT6004/LT6005

600345f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0906 • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LT1490A/LT1491A 50µA Dual/Quad Over-The-Top

® Rail-to-Rail Input

and Output Op Amps

950µV VOS(MAX), Gain Bandwidth = 200kHz

LT1494/LT1495/

LT1496

1.5µA Max Single/Dual/Quad Over-The-Top

Precision Rail-to-Rail Input and Output Op Amps

375µV VOS(MAX), Gain Bandwidth = 2.7kHz

LT1672/LT1673/

LT1674

2µA Max, AV ≥ 5, Single/Dual/Quad Over-The-Top

Precision Rail-to-Rail Input and Output Op Amps

Gain of 5 Stable, Gain Bandwidth = 12kHz

LT1782

Micropower, Over-The-Top, SOT-23, Rail-to-Rail

Input and Output Op Amps

SOT-23, 800µV VOS(MAX), IS = 55µA(MAX), Gain Bandwidth = 200kHz,

Shutdown Pin

LT2178/LT2179

17µA Dual/Quad Single Supply Op Amps

120µV VOS(MAX), Gain Bandwidth = 60kHz

LT6000/LT6001/

LT6002

1.8V, 16µA Max Single/Dual/Quad Precision

Rail-to-Rail Op Amps

600µV VOS(MAX), Gain Bandwidth = 50kHz, Shutdown

Over-The-Top is a registered trademark of Linear Technology Corporation.

Gain of –50 Ultra Low Power Precision Gas Sensor Ampliﬁer

VOUT = 500mV

IN AIR

(DURING READ PHASE)

976k*

–

CITY TECHNOLOGY

MODEL 40X(2)

OXYGEN SENSOR

BURNS 100

µA IN AIR

(~21% O2)

OXYGEN SENSOR

20k

GAIN = –50

VOS = 5µV TYPICAL (INPUT REFERRED), AVERAGED

ISUPPLY = 3µA

VSUPPLY = ±0.9V TO ±2.7V

S1, S2: FAIRCHILD FSA1157 (NC)

S3:

FAIRCHILD FSA1156 (NO)

CONNECT SWITCH GND PINS TO VS

–

*20M FOR AV = 1000

S1, S2 ARE NORMALLY CLOSED (N = LOW). S3 IS NORMALLY OPEN (N = LOW). A1's OUTPUT OFFSET IS STORED ON C1.

WHEN A READING IS DESIRED, SWITCHES REVERSE STATE, AND A2 ACTS AS A DIFFERENCE AMPLIFIER FROM THE STORED

OFFSET. NULL PHASE SHOULD BE ASSERTED 200ms OR MORE. A2 SETTLES 50ms AFTER READ PHASE IS ASSERTED, WITH

WORST CASE ROOM TEMPERATURE DROOP RATE IS 0.8

µV/ms DOMINATED BY ANALOG SWITCH LEAKAGE CURRENT.

0.1

µF

X7R

–

100

Ω

600345 TA02

1/2 LT6004

NULL

READ

20k

1/2 LT6004

–

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