AT8551SLASHSR datasheet(4/15 Pages) ANALOGTECHNOLOGIES

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Analog Technologies

AT8551/AT8552

Zero-Drift RRIO CMOS Operational Amplifier

An Analog in Silicon Valleys

ELECTRICAL CHARACTERISTICS

Limits apply over the specified temperature range: TA = −40°C to +125°C.

(At TA = +25°C, VS =5V, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.)

Table 6.

Parameter

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

VCM = VS/2

TA = −40°C to +125°C

μV

Input Bias Current

VCM = VS/2

TA = −40°C to +125°C

Input Offset Current

IOS

TA = −40°C to +125°C

Input Voltage Range

VIN

2.7

5.5

Common-Mode Voltage

Range

VCM

(V−) − 0.1

(V+) + 0.1

Common-Mode Rejection

Ratio

CMRR (V–) – 0.1V < V

< (V+) + 0.1V

TA = −40°C to +125°C

110

130

Offset Voltage Drift

∆VOS/∆T

TA = −40°C to +125°C

0.005

0.05

μV/°C

Channel Separation, dc

0.1

μV/V

Open-Loop Gain

AOL

RL=10kΩ, VO=0.3V to 4.7V

TA = −40°C to +125°C

110

130

INPUT CAPACITANCE

Differential

Common-Mode

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 100kΩ to GND

TA = −40°C to +125°C

4.99

4.998

RL = 10kΩ to GND

TA = −40°C to +125°C

4.95

4.98

Output Voltage Low

VOL

RL = 100kΩ to V+

TA = −40°C to +125°C

RL = 10kΩ to V+

TA = −40°C to +125°C

Output Short-Circuit Limit

Current

ISC

TA = −40°C to +125°C

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