OPA625 datasheet(6/48 Pages) TI2

6 / 48 page

OPA625, OPA2625

SBOS688A – APRIL 2015 – REVISED OCTOBER 2015

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Electrical Characteristics High-Drive Mode (continued)

at TA = 25°C, V+ = 5 V, V– = 0 V, MODE pin connected to V– pin, VCOM = VO = 2.5 V, gain (G) = 1, RF = 1 kΩ, CF = 2.7 pF,

CLOAD = 20 pF, and RLOAD = 2 kΩ connected to 2.5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TA = –40°C to +125°C

0.5

±3

µV/°C

dVOS/dT

Input offset voltage drift

OPA2625 only, TA = –40°C to +125°C

0.6

±4

100

Power-supply rejection

PSRR

2.7 V

≤ (V+) ≤ 5 V

ratio

TA = –40°C to +125°C

120

Input bias current

TA = –40°C to +125°C

5.7

µA

OPA2625 only, TA = –40°C to +125°C

6.5

dIB/dT

Input bias current drift

TA = –40°C to +125°C

nA/°C

120

IOS

Input offset current

TA = –40°C to +125°C

150

OPA2625 only, TA = –40°C to +125°C

200

dIOS/dT

Input offset current drift

TA = –40°C to +125°C

0.6

nA/°C

OPEN LOOP GAIN

(V–) + 0.2 V < VO < (V+) – 0.2 V, RLOAD = 600 Ω

110

(V–) + 0.15 V < VO < (V+) – 0.15 V, RLOAD = 10 kΩ

114

(V–) + 0.2 V < VO < (V+) – 0.2 V,

AOL

Open-loop gain

106

128

RLOAD = 600 Ω

TA = –40°C to +125°C

(V–) + 0.15 V < VO < (V+) – 0.15 V,

110

132

RLOAD = 10 kΩ

INPUT VOLTAGE

Common-mode voltage

(V+) –

VCM

TA = –40°C to +125°C

(V–)

range

1.15

100

117

Common-mode rejection

CMRR

(V–) < VCOM < (V+) – 1.15 V

ratio

TA = –40°C to +125°C

115

INPUT IMPEDANCE

Differential input

ZID

27 || 1.2

Ω || pF

impedance

Common-mode input

ZIC

47 || 1.5

Ω || pF

impedance

OUTPUT

RLOAD = 600 Ω

TA = –40°C to +125°C

100

Output voltage swing to

the rail

RLOAD = 10 kΩ

TA = –40°C to +125°C

Isc

Short-circuit current

150

CLOAD

Capacitive load drive

See Typical Characteristics

MODE

High-drive (HD) mode

VIL

TA = –40°C to +125°C

(V–)

(V–) + 0.5

threshold

Low-power (LP) mode

VIH

TA = –40°C to +125°C

(V–) + 1.2

(V+)

threshold

IIL

Low-level input current

TA = –40°C to +125°C, VMODE ≤ (V–) + 0.5 V

0.01

µA

TA = –40°C to +125°C, VMODE ≥ (V–) + 1.2 V

IIH

High-level input current

µA

OPA2625 only, TA = –40°C to +125°C, VMODE ≥ (V–) + 1.2 V

POWER SUPPLY

2.2

Quiescent current per

IO = 0 mA,

amplifier

MODE connected to ground

TA = –40°C to +125°C

3.1

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