TC7652 Datasheet

IC型號：
TC7652
PDF描述：
Low Noise, Chopper Stabilized Operational Amplifier
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PDF頁數(shù)：
16頁
芯片廠家：
MICROCHIP

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TC7652

Low Noise, Chopper Stabilized Operational Amplifier

Features

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Low Offset Over Temperature Range: 10碌V

Ultra Low Long Term Drift: 150nV/Month

Low Temperature Drift: 100nV/

擄

Low DC Input Bias Current: 15pA

High Gain, CMRR and PSRR: 110dB Min

Low Input Noise Voltage: 0.2碌V

p-p

(DC to 1Hz)

Internally Compensated for Unity Gain Operation

Clamp Circuit for Fast Overload Recovery

General Description

The TC7652 is a lower noise version of the TC7650,

sacrificing some input specifications (bias current and

bandwidth) to achieve a 10x reduction in noise. All the

other benefits of the chopper technique are present,

(i.e, freedom from offset adjust, drift and reliability prob-

lems from external trim components). Like the TC7650,

the TC7652 requires only two noncritical external caps

for storing the chopped null potentials. There are no

significant chopping spikes, internal effects or over-

range lockup problems.

Applications

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Instrumentation

Medical Instrumentation

Embedded Control

Temperature Sensor Amplifier

Strain Gage Amplifier

Device Selection Table

Part Number

TC7652CPA

TC7652CPD

Package

8-Pin Plastic DIP

14-Pin Plastic DIP

Temperature

Range

0擄C to +70擄C

Package Type

8-Pin DIP

8 C

-Input 2

+Input 3

TC7652CPA

6 Output

5 Output

Clamp

14-Pin DIP

NC 3

-Input 4

+Input 5

NC 6

14 INT/EXT

EXT CLK

13 In

12 INT CLK

Out

11 V

10 Output

Output

Clamp

RETN

TC7652CPD

NC = No Internal Connection

(May Be Used As Input Guard)

2002 Microchip Technology Inc.

DS21464B-page 1

漏

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