Data Sheet

AD8661/AD8662/AD8664

Rev. E | Page 3 of 16

SPECIFICATIONS

AD8661/AD8662/AD8664 ELECTRICAL CHARACTERISTICS—SOIC, MSOP, AND TSSOP

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

V

OS

V

30

100

µV

AD8661

−40°C < T

1000

µV

AD8661

−40°C < T

1400

µV

AD8662

−40°C < T

1000

µV

AD8664

−40°C < T

1200

µV

Input Bias Current

I

B

0.3

1

pA

−40°C < T

50

pA

−40°C < T

300

pA

Input Offset Current

I

OS

0.2

0.5

pA

−40°C < T

20

pA

−40°C < T

75

pA

Input Voltage Range

−0.1

+3.0

V

Common-Mode Rejection Ratio

CMRR

V

85

100

dB

−40°C < T

80

100

dB

Large Signal Voltage Gain

A

VO

R

100

220

V/mV

Offset Voltage Drift

TCV

OS

AD8661

−40°C < T

3

10

µV/°C

AD8662, AD8664

−40°C < T

2

9

µV/°C

OUTPUT CHARACTERISTICS

Output Voltage High

V

OH

I

4.85

4.93

V

−40°C < T

4.80

V

Output Voltage Low

V

OL

I

50

100

mV

−40°C < T

110

mV

Short-Circuit Current

I

SC

±19

mA

Closed-Loop Output Impedance

Z

OUT

f = 1 MHz, A

50

Ω

POWER SUPPLY

Supply Current per Amplifier

I

SY

V

1.15

1.40

mA

−40°C < T

2.0

mA

DYNAMIC PERFORMANCE

Slew Rate

SR

R

3.5

V/µs

Gain Bandwidth Product

GBP

4

MHz

Phase Margin

Φ

O

65

Degrees

NOISE PERFORMANCE

Peak-to-Peak Noise

e

f = 0.1 Hz to 10 Hz

2.5

µV p-p

Voltage Noise Density

e

n

f = 1 kHz

12

nV/√Hz

f = 10 kHz

10

nV/√Hz

Current Noise Density

i

n

f = 1 kHz

0.1

pA/√Hz