Electrical Characteristics

VS = 5.0V, TA = +25

℃, VCM = VS/2, VO = VS/2, and RL = 10kΩ connected to VS/2, unless otherwise noted.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

INPUT CHARACTERISTICS

VOS

Input offset voltage

-4.2

±0.8

+4.2

mV

Over temperature

-4.5

+4.5

VOSTC

Offset voltage drift

2

μV/°C

IB

Input bias current

1

PA

Over temperature

800

IOS

Input offset current

1

PA

VCM

Common-mode voltage

range

VS––0.1

VS++0.1

V

CMRR

Common-mode rejection

ratio

VCM = 0.05V to 3.5V

84

dB

Over temperature

80

VCM = VS––0.1 to VS++0.1 V

76

AVOL

Open-loop voltage gain

RL= 10kΩ, VO = 0.05 to 3.5 V

100

Over temperature

90

RL= 600Ω, VO = 0.15 to 3.5 V

86

Over temperature

80

RIN

Input resistance

100

GΩ

CIN

Input capacitance

Differential

2.0

pF

Common mode

3.5

OUTPUT CHARACTERISTICS

VOH

High output voltage

swing

RL = 600Ω

VS+–130

mV

RL = 10kΩ

VS+–12

VOL

Low output voltage

swing

RL = 600Ω

120

mV

RL = 10kΩ

7

ZOUT

Closed-loop output

impedance

f = 200kHz, G = +1

0.4

Ω

Open-loop output

impedance

f = 1MHz, IO = 0

2.6

ISC

Short-circuit current

Source current through 10Ω

40

mA

Sink current through 10Ω

30

DYNAMIC PERFORMANCE

GBW

Gain bandwidth product

f = 1kHz

6.5

MHz

ΦM

Phase margin

CL = 100pF

60

°

SR

Slew rate

G = +1, CL = 100pF,

VO = 1.5V to 3.5V

4

V/μs

BWP

Full power bandwidt

h

<1% distortion

300

KHz

480

μA, 6.5MHz, RRIO CMOS Operational Amplifiers

UMW

AD8631,AD8632,AD8634

R

www.umw-ic.com

4

UTD Semiconductor Co.,Limited