ADA4051-1AKSZ-R7 datasheet(5/22 Pages) AD

Numer części	ADA4051-1AKSZ-R7

Szczegółowy opis	1.8 V, Micropower, Zero-Drift, Rail-to-Rail Input/Output Op Amps

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Data Sheet

ADA4051-1/ADA4051-2

Rev. C | Page 5 of 22

ELECTRICAL CHARACTERISTICS—5 V OPERATION

VSY = 5.0 V, VCM = VSY/2 V, TA = 25°C, RL = 100 kΩ to GND, unless otherwise noted.

Table 3.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

ADA4051-2

0 V ≤ VCM ≤ 5 V

2

15

µV

ADA4051-1

0 V ≤ VCM ≤ 5 V

2

17

µV

−40°C ≤ TA ≤ +125°C

27

µV

Offset Voltage Drift

∆VOS/∆T

−40°C ≤ TA ≤ +125°C

0.02

0.1

µV/°C

Input Bias Current

IB

20

70

pA

−40°C ≤ TA ≤ +125°C

200

pA

Input Offset Current

IOS

40

100

pA

−40°C ≤ TA ≤ +125°C

150

pA

Input Voltage Range

−40°C ≤ TA ≤ +125°C

0

5

V

Common-Mode Rejection Ratio

CMRR

0 V ≤ VCM ≤ 5 V

110

135

dB

−40°C ≤ TA ≤ +125°C

106

dB

Large-Signal Voltage Gain

AVO

RL = 10 kΩ to VCM,

0.1 V ≤ VOUT ≤ VSY − 0.1 V

115

135

dB

−40°C ≤ TA ≤ +125°C

106

dB

Input Resistance

Differential Mode

RINDM

8

MΩ

Common Mode

RINCM

250

GΩ

Input Capacitance, Differential Mode

CINDM

2

pF

Input Capacitance, Common Mode

CINCM

5

pF

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 100 kΩ to VCM

4.996

4.998

V

−40°C ≤ TA ≤ +125°C

4.985

V

RL = 10 kΩ to VCM

4.96

4.99

V

−40°C ≤ TA ≤ +125°C

4.9

V

Output Voltage Low

VOL

RL = 100 kΩ to VCM

1

4

mV

−40°C ≤ TA ≤ +125°C

13

mV

RL = 10 kΩ to VCM

9

30

mV

−40°C ≤ TA ≤ +125°C

90

mV

Short-Circuit Current

ISC

VOUT = VSY or GND

15

mA

Closed-Loop Output Impedance

ZOUT

f = 1 kHz, G = 10

1

Ω

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

1.8 V ≤ VSY ≤ 5.5 V

110

135

dB

−40°C ≤ TA ≤ +125°C

106

dB

Supply Current per Amplifier

ISY

ADA4051-2

VOUT = VSY/2

13

17

µA

ADA4051-1

VOUT = VSY/2

15

18

µA

−40°C ≤ TA ≤ +125°C

20

µA

DYNAMIC PERFORMANCE

Slew Rate

SR+

RL = 10 kΩ, CL = 100 pF, G = 1

0.06

V/µs

SR−

RL = 10 kΩ, CL = 100 pF, G = 1

0.04

V/µs

Settling Time

tS

To 0.1%, VIN = 1 V p-p,

RL = 10 kΩ, CL = 100 pF

110

µs

Gain Bandwidth Product

GBP

CL = 100 pF, G = 1

125

kHz

Phase Margin

ΦM

CL = 100 pF, G = 1

40

Degrees

Channel Separation

CS

VIN = 4.99 V, f = 100 Hz

140

dB

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