OPA625 datasheet(7/44 Pages) TI

7 / 44 page

OPA625, OPA2625

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SBOS688 – APRIL 2015

6.6 Electrical Characteristics Low-Power Mode

At TA = 25°C, (V+) = 5 V, (V–) = 0 V, VMODE = 5 V, VCOM = VO = 2.5 V, G = 1, RF = 1 kΩ, CF= 2.7 pF, CLOAD= 20 pF, and RLOAD

= 2 k

Ω connected to 2.5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC PERFORMANCE

GBW

Gain-bandwidth product

G = 100, VO = 10 mVPP

MHz

φm

Phase margin

Degrees

VO = 1-V step

4.3

V/µs

Slew rate

VO = 4-V step, G = 2

4.1

V/µs

Open-loop output

f = 1 MHz

impedance

DC PERFORMANCE

0.6

VOS

Input offset voltage

TA = –40°C to +125°C

0.7

3.7

Power-supply rejection

PSRR

2.7 V

≤ (V+) ≤ 5 V

ratio

TA = –40°C to +125°C

100

150

Input bias current

TA = –40°C to +125°C

140

200

IOS

Input offset current

TA = –40°C to +125°C

OPEN LOOP GAIN

(V–) + 0.2 V < VO < (V+) – 0.2 V,

100

RLOAD= 600 Ω

AOL

Open-loop gain

TA = –40°C to +125°C

(V–) + 0.15 V < VO < (V+) – 0.15 V,

100

RLOAD= 10 kΩ

INPUT VOLTAGE

Common-mode voltage

(V+) –

VCM

TA = –40°C to +125°C

(V–)

range

1.15

114

Common-mode rejection

CMRR

(V–) < VCOM < (V+) – 1.15 V

ratio

TA = –40°C to +125°C

114

OUTPUT

RLOAD= 600 Ω

110

Output voltage swing to

TA = –40°C to +125°C

the rail

RLOAD= 10 kΩ

Isc

Short-circuit current

100

POWER SUPPLY

270

320

µA

Quiescent current per

IO = 0 mA,

amplifier

MODE connected to V+

TA = –40°C to +125°C

450

µA

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