Data Sheet

AD8622/AD8624

Rev. D | Page 3 of 20

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS—±2.5 V OPERATION

VSY = ±2.5 V, VCM = 0 V, TA = 25°C, unless otherwise specified.

Table 2.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

10

125

μV

−40°C ≤ TA ≤ +125°C

230

μV

Offset Voltage Drift

ΔVOS/ΔT

−40°C ≤ TA ≤ +125°C

0.5

1.2

µV/°C

Input Bias Current

IB

30

200

pA

−40°C ≤ TA ≤ +125°C

400

pA

Input Offset Current

IOS

25

200

pA

−40°C ≤ TA ≤ +125°C

300

pA

Input Voltage Range

−40°C ≤ TA ≤ +125°C

−1.3

+1.3

V

Common-Mode Rejection Ratio

CMRR

VCM = −1.3 V to +1.3 V

110

120

dB

−40°C ≤ TA ≤ +125°C

107

dB

Open-Loop Gain

AVO

RL = 10 kΩ, VO = −2.0 V to +2.0 V

118

135

dB

−40°C ≤ TA ≤ +125°C

109

dB

Input Resistance, Differential Mode

RINDM

1

GΩ

Input Resistance, Common Mode

RINCM

1

TΩ

Input Capacitance, Differential Mode

CINDM

5.5

pF

Input Capacitance, Common Mode

CINCM

3

pF

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 100 kΩ to ground

2.45

2.49

V

−40°C ≤ TA ≤ +125°C

2.41

V

RL = 10 kΩ to ground

2.40

2.45

V

−40°C ≤ TA ≤ +125°C

2.36

V

Output Voltage Low

VOL

RL = 100 kΩ to ground

−2.49

−2.45

V

−40°C ≤ TA ≤ +125°C

−2.41

V

RL = 10 kΩ to ground

−2.45

−2.40

V

−40°C ≤ TA ≤ +125°C

−2.36

V

Short-Circuit Current

ISC

±30

mA

Closed-Loop Output Impedance

ZOUT

f = 1 kHz, AV = 1

2

Ω

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = ±2.0 V to ±18.0 V

125

145

dB

−40°C ≤ TA ≤ +125°C

120

dB

Supply Current/Amplifier

ISY

IO = 0 mA

175

225

μA

−40°C ≤ TA ≤ +125°C

310

μA

DYNAMIC PERFORMANCE

Slew Rate

SR

RL = 10 kΩ, CL = 100 pF AV = 1

0.28

V/μs

Gain Bandwidth Product

GBP

RL = 10 kΩ, CL = 20 pF, AV = 1

540

kHz

Phase Margin

ΦM

RL = 10 kΩ, CL = 20 pF, AV = 1

74

Degrees

NOISE PERFORMANCE

Voltage Noise

en p-p

f = 0.1 Hz to 10 Hz

0.2

μV p-p

Voltage Noise Density

en

f = 1 kHz

12

nV/√Hz

Uncorrelated Current Noise Density

in_uncorr

f = 1 kHz

0.15

pA/√Hz

Correlated Current Noise Density

in_corr

f = 1 kHz

0.07

pA/√Hz