ADA4084 查看數據表（PDF） - Analog Devices

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ADA4084

30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Amplifiers

Analog Devices 

Data Sheet

ADA4084-1/ADA4084-2/ADA4084-4

VSY = ±5.0 V, VCM = 0 V, TA = 25°C, unless otherwise noted.

Table 3.

Parameter

INPUT CHARACTERISTICS

Offset Voltage

Offset Voltage Drift

Offset Voltage Matching

Input Bias Current

Input Offset Current

Input Voltage Range

Common-Mode Rejection Ratio

Large Signal Voltage Gain

Input Impedance

Differential

Common Mode

OUTPUT CHARACTERISTICS

Output Voltage High

Output Voltage Low

Short-Circuit Current

Closed-Loop Output Impedance

POWER SUPPLY

Power Supply Rejection Ratio

Supply Current per Amplifier

DYNAMIC PERFORMANCE

Slew Rate

Gain Bandwidth Product

Unity-Gain Crossover

Phase Margin

−3 dB Closed-Loop Bandwidth

Settling Time

Total Harmonic Distortion Plus Noise

NOISE PERFORMANCE

Voltage Noise

Voltage Noise Density

Current Noise Density

Symbol Test Conditions/Comments

VOS

ΔVOS/ΔT

IB

IOS

SOIC package

−40°C ≤ TA ≤ +125°C

SOT-23, MSOP, TSSOP packages

−40°C ≤ TA ≤ +125°C

ADA4084-2 LFCSP package

−40°C ≤ TA ≤ +125°C

−40°C ≤ TA ≤ +125°C

TA = 25°C

ADA4084-4 LFCSP package

−40°C ≤ TA ≤ +125°C

−40°C ≤ TA ≤ +125°C

CMRR

AVO

VCM = ±4 V, −40°C ≤ TA ≤ +125°C

VCM = ±5 V

VCM = ±5 V, −40°C ≤ TA ≤ +125°C

RL = 2 kΩ, −4 V ≤ VOUT ≤ 4 V

−40°C ≤ TA ≤ +125°C

VOH

RL = 10 kΩ to VCM

−40°C ≤ TA ≤ +125°C

RL = 2 kΩ to VCM

−40°C ≤ TA ≤ +125°C

VOL

RL = 10 kΩ to VCM

−40°C ≤ TA ≤ +125°C

RL = 2 kΩ to VCM

−40°C ≤ TA ≤ +125°C

ISC

ZOUT

f = 1 kHz, AV = 1

PSRR

ISY

VSY = ±2 V to ±18 V

−40°C ≤ TA ≤ +125°C

IOUT = 0 mA

−40°C ≤ TA ≤ +125°C

SR

GBP

UGC

ΦM

−3 dB

tS

THD + N

RL = 2 kΩ to VCM

VIN = 5 mV p-p, RL = 10 kΩ, AV = 100

VIN = 5 mV p-p, RL = 10 kΩ, AV = 1

AV = 1, VIN = 5 mV p-p

AV = 10, VIN = 8 V p-p, 0.1%

VIN = 2 V rms, RL = 2 kΩ, f = 1 kHz

en p-p

en

in

0.1 Hz to 10 Hz

f = 1 kHz

f = 1 kHz

Min Typ

Max Unit

30

60

90

0.5

140

5

−5

106 124

76

70

108 112

103

100 µV

200 µV

130 µV

250 µV

200 µV

300 µV

1.75 µV/°C

150 µV

200 µV

250 nA

400 nA

25

nA

50

nA

+5

V

dB

dB

dB

dB

dB

100||1.1

200||2.5

kΩ||pF

MΩ||pF

4.9 4.95

V

4.8

V

4.8 4.85

V

4.7

V

−4.95

−4.9 V

−4.8 V

−4.95

−4.8 V

−4.7 V

−24/+17

mA

0.1

Ω

110 120

105

0.595

dB

dB

0.700 mA

1.00 mA

2.4 3.7

15.9

9.6

85

13.9

4

0.003

V/µs

MHz

MHz

Degrees

MHz

µs

%

0.14

µV p-p

3.9

nV/√Hz

0.55

pA/√Hz

Rev. I | Page 5 of 36

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