5

LPV811, LPV812

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SNOSD33B – NOVEMBER 2016 – REVISED NOVEMBER 2016

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Copyright © 2016, Texas Instruments Incorporated

6.5 Electrical Characteristics

TA = 25°C, VS = 1.8 V to 5 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,

LPV811

VS = 1.8V and 3.3V, VCM = V-

±60

±370

µV

Input offset voltage,

LPV812

VS = 1.8V and 3.3V, VCM = V-

±55

±300

µV

ΔVOS/ΔT Input offset drift

VCM = V-

TA = –40°C to 125°C

±1

µV/°C

PSRR

Power-supply rejection

ratio

VS = 1.8V to 3.3V, VCM = V-

±1.6

±60

µV/V

INPUT VOLTAGE RANGE

VCM

Common-mode voltage

range

VS = 3.3V

0

2.4

V

CMRR

Common-mode rejection

ratio, LPV811

(V–)

≤ VCM ≤ (V+) – 0.9 V, VS = 3.3V

77

95

dB

Common-mode rejection

ratio, LPV812

(V–)

≤ VCM ≤ (V+) – 0.9 V, VS = 3.3V

80

98

dB

INPUT BIAS CURRENT

IB

Input bias current

VS = 1.8V

±100

fA

IOS

Input offset current

VS = 1.8V

±100

fA

INPUT IMPEDANCE

Differential

7

pF

Common mode

3

pF

NOISE

En

Input voltage noise

ƒ = 0.1 Hz to 10 Hz

6.5

µVp-p

en

Input voltage noise

density

ƒ = 100 Hz

340

nV/

√Hz

ƒ = 1 kHz

420

OPEN-LOOP GAIN

AOL

Open-loop voltage gain

(V–) + 0.3 V

≤ VO ≤ (V+) – 0.3 V, RL = 100 kΩ

120

dB

OUTPUT

VOH

Voltage output swing

from positive rail

VS = 1.8V, RL = 100 kΩ to V

+/2

10

3.5

mV

VOL

Voltage output swing

from negative rail

VS = 1.8V, RL = 100 kΩ to V

+/2

2.5

10

ISC

Short-circuit current

VS = 3.3V, Short to VS/2

4.7

mA

ZO

Open loop output

impedance

ƒ = 1 KHz, IO = 0 A

90

kΩ

FREQUENCY RESPONSE

GBP

Gain-bandwidth product

CL = 20 pF, RL = 10 MΩ, VS = 5V

8

kHz

SR

Slew rate (10% to 90%)

G = 1, Rising Edge, CL = 20 pF, VS = 5V

2

V/ms

G = 1, Falling Edge, CL = 20 pF, VS = 5V

2.1

POWER

SUPPLY

IQ

Quiescent Current,

LPV811

VCM = V-, IO = 0, VS = 3.3V

450

540

nA

Quiescent Current,

Per Channel, LPV812

VCM = V-, IO = 0, VS = 3.3V

425

495