ADA4857-1YRZ-R7 查看數據表（PDF） - Analog Devices

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ADA4857-1YRZ-R7

Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp

Analog Devices 

Data Sheet

ADA4857-1/ADA4857-2

Parameter

PD (POWER-DOWN) PIN

PD Input Voltage

Turn-Off Time

Turn-On Time

PD Pin Leakage Current

INPUT CHARACTERISTICS

Input Resistance

Input Capacitance

Input Common-Mode Voltage Range

Common-Mode Rejection Ratio

OUTPUT CHARACTERISTICS

Overdrive Recovery Time

Output Voltage Swing

High

Low

Output Current

Short-Circuit Current

Capacitive Load Drive

POWER SUPPLY

Operating Range

Quiescent Current

Quiescent Current (Power Down)

Positive Power Supply Rejection

Negative Power Supply Rejection

Test Conditions/Comments

Min

Chip powered down

Chip powered down, TMIN to TMAX

Chip enabled

Chip enabled, TMIN to TMAX

50% off PD to <10% of final VOUT, VIN =

1 V, G = 2

50% off PD to <10% of final VOUT, VIN =

1 V, G = 2

Chip enable

Chip powered down

≥ (+VS − 1.4)

Common mode

Differential mode

Common mode

VCM = 2 V to 3 V

−76

VCM = 1.3 V to 3.7 V, TMIN to TMAX

−70

G=2

RL = 1 kΩ

RL = 1 kΩ, TMIN to TMAX

RL = 100 Ω

RL = 100 Ω, TMIN to TMAX

RL = 1 kΩ

RL = 1 kΩ, TMIN to TMAX

RL = 100 Ω

RL = 100 Ω, TMIN to TMAX

+VS − 1.3

+VS – 1.7

Sinking and sourcing

30% overshoot, G = 2

4.5

PD ≥ VCC − 2 V

+VS = 4.5 V to 5.5 V, −VS = 0 V

−58

+VS = 5 V, −VS = −0.5 V to +0.5 V

−65

Typ

Max

Unit

≥ (+VS − 2)

≤ (+VS − 4.2)

38

V

V

V

≤ (+VS − 4.8) V

µs

30

ns

8

µA

30

µA

8

MΩ

4

MΩ

2

pF

1 to 4

V

−84

dB

dB

15

ns

+VS − 1

+VS – 1.1

−VS + 1

−VS + 1.1

50

75

10

V

V

V

V

V

−VS + 1.3 V

V

−VS + 1.6 V

mA

mA

pF

10.5

V

4.5

5

mA

250

350

µA

−62

dB

−68

dB

Rev. D | Page 5 of 21

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