AD8538AUJZ-R2 datasheet(4/12 Pages) AD

部件名	AD8538AUJZ-R2

功能描述	Low Power, Precision Auto-Zero Op Amp

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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AD8538

Rev. 0 | Page 4 of 12

@ VS = 2.7 V, VCM = 1.35 V, VO = 1.35 V, TA = 25°C, unless otherwise specified.

Table 2.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

5

13

μV

−40°C ≤ TA ≤ +125°C

30

μV

Input Bias Current

IB

15

25

pA

−40°C ≤ TA ≤ +85°C

35

100

pA

−40°C ≤ TA ≤ +125°C

0.7

1.0

nA

Input Offset Current

IOS

20

50

pA

−40°C ≤ TA ≤ +125°C

150

pA

Input Voltage Range

0

2.7

V

Common-Mode Rejection Ratio

CMRR

VCM = 0 V to 2.5 V

110

140

dB

−40°C ≤ TA ≤ +125°C

100

135

dB

Large Signal Voltage Gain

AVO

RL = 10 kΩ, VO = 0.1 V to 1.7 V

110

140

dB

−40°C ≤ TA ≤ +125°C

105

135

dB

Offset Voltage Drift

ΔV

OS

/

ΔT

−40°C ≤ TA ≤ +125°C

0.03

0.1

μV/°C

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 100 kΩ to ground

2.68

2.698

V

−40°C ≤ TA ≤ +125°C

2.68

V

RL = 10 kΩ to ground

2.67

2.68

V

−40°C ≤ TA ≤ +125°C

2.66

V

Output Voltage Low

VOL

RL = 100 kΩ to V+

1.7

5

mV

−40°C ≤ TA ≤ +125°C

2.4

5

mV

RL = 10 kΩ to V+

14

20

mV

−40°C ≤ TA ≤ +125°C

20

25

mV

Short-Circuit Limit

ISC

±8

mA

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = 2.7 V to 5.5 V

105

125

dB

−40°C ≤ TA ≤ +125°C

100

125

dB

Supply Current/Amplifier

ISY

IO = 0

150

180

μA

−40°C ≤ TA ≤ +125°C

190

215

μA

DYNAMIC PERFORMANCE

Slew Rate

SR

RL = 10 kΩ

0.4

V/μs

Settling Time 0.01%

tS

G = ±1, 1 V step, CL = 20 pF, RL = 1 kΩ

5

μs

Overload Recovery Time

0.05

ms

Gain Bandwidth Product

GBP

600

kHz

Phase Margin

ØO

RL = 10 kΩ, RL = 100 kΩ, CL = 20 pF

65

Degrees

NOISE PERFORMANCE

Voltage Noise

en p-p

f = 0.1 Hz to 10 Hz

2.0

μV p-p

Voltage Noise Density

en

f = 1 kHz

50

nV/

√Hz

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