AD8539 datasheet(4/24 Pages) AD

부품명	AD8539

상세설명	30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

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ADA4638-1

Data Sheet

Rev. 0 | Page 4 of 24

ELECTRICAL CHARACTERISTICS—10 V OPERATION

VS = 10 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.

Table 3.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

0.1

4

μV

−40°C ≤ TA ≤ +125°C; SOIC

9

μV

−40°C ≤ TA ≤ +125°C; LFCSP

12

μV

Offset Voltage Drift

ΔVOS/ΔT

−40°C ≤ TA ≤ +125°C; SOIC

0.05

μV/°C

−40°C ≤ TA ≤ +125°C; LFCSP

0.08

μV/°C

Input Bias Current

IB

20

50

pA

−40°C ≤ TA ≤ +125°C

250

pA

Input Offset Current

IOS

20

80

pA

−40°C ≤ TA ≤ +125°C

140

pA

Input Voltage Range

0

7

V

Common-Mode Rejection Ratio

CMRR

VCM = 0 V to 7 V

130

155

dB

−40°C ≤ TA ≤ +125°C

130

dB

Open-Loop Gain

AVO

RL = 10 kΩ, VO = 1 V to 9 V

130

160

dB

−40°C ≤ TA ≤ +125°C

130

dB

Input Resistance, Common Mode

RINCM

250

GΩ

Input Capacitance, Differential Mode

CINDM

4

pF

Input Capacitance, Common Mode

CINCM

9

pF

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 10 kΩ to VCM

9.96

9.97

V

−40°C ≤ TA ≤ +125°C

9.95

V

RL = 2 kΩ to VCM

9.85

9.86

V

−40°C ≤ TA ≤ +125°C

9.75

V

Output Voltage Low

VOL

RL = 10 kΩ to VCM

20

25

mV

−40°C ≤ TA ≤ +125°C

40

mV

RL = 2 kΩ to VCM

80

90

mV

−40°C ≤ TA ≤ +125°C

145

mV

Short-Circuit Current

ISC

±22

mA

Closed-Loop Output Impedance

ZOUT

f = 1 MHz, AV = +1

300

Ω

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = 4.5 V to 30 V

120

143

dB

−40°C ≤ TA ≤ +125°C

120

dB

Supply Current/Amplifier

ISY

IO = 0 mA

0.8

0.95

mA

−40°C ≤ TA ≤ +125°C

1.15

mA

DYNAMIC PERFORMANCE

Slew Rate

SR

RL = 10 kΩ, CL = 20 pF, AV = +1

1.5

V/μs

Overload Recovery Time

RL = 10 kΩ, CL = 20 pF, AV = −100

14

μs

Settling Time to 0.1%

tS

VIN = 2 V step, RL = 10 kΩ, CL = 20 pF, AV = −1

3

μs

Unity-Gain Crossover

UGC

VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1

1.1

MHz

Phase Margin

ΦM

VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1

67

Degrees

Gain Bandwidth Product

GBP

VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +100

1.4

MHz

−3 dB Closed-Loop Bandwidth

f−3dB

VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1

1.9

MHz

NOISE PERFORMANCE

Voltage Noise

en p-p

f = 0.1 Hz to 10 Hz

1.2

μV p-p

Voltage Noise Density

en

f = 1 kHz

66

nV/√Hz

Current Noise Density

in

f = 1 kHz

0.1

pA/√Hz

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