5

LPV821

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SNOSD36A – AUGUST 2017 – REVISED DECEMBER 2017

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7.5 Electrical Characteristics

TA = 25°C, VS = 1.8 V to 3.3 V, VCM = VOUT = VS/2, and RL≥ 10 MΩ to VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OFFSET VOLTAGE

VOS

Input offset voltage

VS = 3.3 V

±1.5

±10

μV

dVOS/dT

Input offset voltage drift

TA = –40°C to 125°C, VS = 3.3 V

±0.02

±0.096

μV/°C

PSRR

Power-supply rejection ratio

VS = 1.8 V to 3.3 V

0.4

4.5

μV/V

INPUT

BIAS CURRENT

IB

Input bias current

+IN

TA= 25°C

7

pA

TA= 125°C

7

-IN

TA= 25°C

-7

TA= 125°C

-250

IOS

Input offset current

14

pA

NOISE

En

Input voltage noise

f = 0.1 Hz to 10 Hz

3.9

μVPP

en

Input voltage noise density

f = 100 Hz

215

nV/

√Hz

in

Input current noise density

f = 100 Hz

1

fA/

√Hz

INPUT

VOLTAGE

VCM

Common-mode voltage range

(V–)

(V+)

V

CMRR

Common-mode rejection ratio

(V–)

≤ VCM ≤ (V+), VS = 3.3 V

100

125

dB

INPUT

CAPACITANCE

Differential

3.3

pF

Common-mode

3.7

pF

OPEN-LOOP GAIN

AOL

Open-loop voltage gain

(V–) + 0.1 V

≤ VO ≤ (V+) – 0.1 V, RL = 100 kΩ to VS / 2

135

dB

FREQUENCY RESPONSE

GBW

Gain-bandwidth product

CL = 20 pF, RL = 10 MΩ

8

kHz

SR

Slew rate

G = +1, CL = 20 pF

3.3

V/ms

OUTPUT

VOH

Voltage output swing from

positive rail

RL = 100 kΩ to V

+/2, V

S = 3.3 V

12

mV

VOL

Voltage output swing from

negative rail

RL = 100 kΩ to V

+/2, V

S = 3.3 V

12

ISC

Short-circuit current

Sourcing, VO to V–, VIN (diff) = 100 mV, VS = 3.3 V

21

mA

Sinking, VO to V+, VIN (diff) = –100 mV, VS = 3.3 V

50

CL

Capacitive load drive

See

Table 1

ZO

Open-loop output impedance

ƒ = 100 Hz, IO = 0 A

80

k

Ω

POWER

SUPPLY

IQ

Quiescent current per channel

VCM = VS/2, IO = 0, VS = 3.3 V

650

790

nA