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

-3.5

±0.5

+3.5

mV

Over temperature

-4

+4

VOS TC

Offset voltage drift

Over Temperature

2

μV/℃

IB

Input bias current

1

pA

Over temperature

500

IOS

Input offset current

1

VCM

Common-mode voltage

range

VS––0.2

VS++0.2

V

CMRR

Common-mode rejection

ratio

VCM = 0.05 V to 3.5 V

95

dB

Over temperature

85

VCM = VS––0.1 to VS++0.1 V

80

AVOL

Open-loop voltage gain

VO = 0.05 to 3.5 V

115

Over temperature

100

RIN

Input resistance

100

GΩ

CIN

Input capacitance

Differential

2.0

pF

Common mode

3.5

OUTPUT CHARACTERISTICS

VOH

High output voltage swing

VS+–7

mV

VOL

Low output voltage swing

7

mV

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

40

DYNAMIC PERFORMANCE

GBW

Gain bandwidth product

f = 1kHz

1.1

MHz

ΦM

Phase margin

CL = 100pF

60

°

SR

Slew rate

G = +1, CL = 100pF,

VO = 1.5V to 3.5V

0.8

V/μs

1.1MHz, 85µA, CMOS, RRIO Operational Amplifiers

UMW

AD8541,AD8542,AD8544

R

www.umw-ic.com

4

UTD Semiconductor Co.,Limited