LTC2054IS5(RevA) 查看數據表（PDF） - Linear Technology

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LTC2054IS5
(Rev.:RevA)

Single/Dual Micropower Zero-Drift Operational Amplifiers

Linear Technology 

APPLICATIO S I FOR ATIO

cause the second form of clock feedthrough described

above, when averaged, dominate the DC input bias current

of the op amp below 70°C.

At temperatures above 70°C, the leakage of the ESD

protection diodes on the inputs increases the input bias

currents of both inputs in the positive direction, while the

current caused by the charge injection stays relatively

constant. At elevated temperatures (above 70°C) the

leakage current begins to dominate and both the negative

and positive pins’ input bias currents are in the positive

direction (into the pins).

Extended Common Mode Range

The LTC2054/LTC2055 input stage is designed to allow

nearly rail-to-rail input common mode signals. In addition,

signals that extend beyond the allowed input common

mode range do not cause output phase inversion.

LTC2054/LTC2055

Voltage Follower with Input Exceeding

the Common Mode Range

2.5V

1k

±3.75VP

SINE WAVE

–

LTC2054/55

+

–2.5V

OUTPUT

100k

2054 TA09

LTC2054/LTC2055

Extended Common Mode Range

0V

0V

AV = 1

500µs/DIV

RL = 100k

VS = ±2.5V

VIN = 500Hz 7.5VP-P

2054 G19

TYPICAL APPLICATIO S

Simple Differential Bridge Amplifier

5V

LT1790-2.5

10kΩ

BRIDGE

5V

0.1µF

1µF

499k

4– 5

LTC2054HV 1

3+

2

0.1µF 499k

– 5V

AV = 100

20545 TA02

sn20545 20545fas

9

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