Datasheet > LT1012_15

LT1012_15

更新时间： 2022-02-26 12:48:36

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	345K
描述
Picoamp Input Current, Microvolt Offset, Low Noise Op Amp

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LT1012_15 数据手册

LT1012A/LT1012

Picoamp Input Current,

Microvolt Offset,

Low Noise Op Amp

FEATURES

DESCRIPTIO

The LT^®1012 is an internally compensated universal

precision operational amplifier which can be used in

practically all precision applications. The LT1012

combines picoampere bias currents (which are

maintained over the full –55°C to 125°C temperature

range), microvolt offset voltage (and low drift with time

and temperature), low voltage and current noise, and

low power dissipation. The LT1012 achieves precision

operation on two Ni-Cad batteries with 1mW of power

dissipation. Extremely high common mode and

power supply rejection ratios, practically unmeasurable

warm-up drift, and the ability to deliver 5mA load current

with a voltage gain of one million round out the LT1012’s

superb precision specifications.

■

OP-07 Type Performance:

at 1/8th of OP-07’s Supply Current

at 1/20th of OP-07’s Bias and Offset Currents

■

Guaranteed Offset Voltage: 25µV Max

■

Guaranteed Bias Current: 100pA Max

■

Guaranteed Drift: 0.6µV/°C Max

■

Low Noise, 0.1Hz to 10Hz: 0.5µV_P-P

■

Guaranteed Low Supply Current: 500µA Max

■

Guaranteed CMRR: 114dB Min

Guaranteed PSRR: 114dB Min

■

Guaranteed Operation at ±1.2V Supplies

APPLICATIO S

■

Replaces OP-07 While Saving Power

■

Precision Instrumentation

The all around excellence of the LT1012 eliminates the

necessity of the time consuming error analysis procedure

of precision system design in many applications; the

LT1012 can be stocked as the universal internally

compensated precision op amp.

■

Charge Integrators

■

Wide Dynamic Range Logarithmic Amplifiers

■

Light Meters

■

Low Frequency Active Filters

■

Thermocouple Amplifiers

, LTC and LT are registered trademarks of Linear Technology Corporation.

Protected by U. S. patents 4,575,685 and 4,775,884

TYPICAL APPLICATIO

±250V Common Mode Range Instrumentation Amplifier (A_V= 1)

Typical Distribution of Input

Offset Voltage

975k

200

–IN

1140 UNITS

FROM THREE

RUNS

= ±15V

= 25°C

50k

OPTIONAL

CMRR

TRIM

25k

20k

6V TO 18V

= 0V

160

120

–

OUT

LT1012

COMMON

MODE

+IN

R1 TO R6: VISHAY 444

ACCUTRACT THIN FILM

SIP NETWORK

INPUT

±250V

19.608k

–6V TO –18V

: VISHAY 444 PIN NUMBERS

VISHAY INTERTECHNOLOGY, INC

63 LINCOLN HIGHWAY

MALVERN, PA 19355

–40

–20

INPUT OFFSET VOLTAGE (µV)

COMMON MODE REJECTION RATIO = 74dB (RESISTOR LIMITED)

WITH OPTIONAL TRIM = 130dB

LT1012A • TA02

OUTPUT OFFSET (TRIMMABLE TO ZERO) = 500µV

OUTPUT OFFSET DRIFT = 10µV/°C

INPUT RESISTANCE = 1M

LT1012A • TA01

sn1012 1012afbs

12 3 4 5 6 7...20

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