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LMP91200

SNAS571E – JANUARY 2012 – REVISED FEBRUARY 2016

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Electrical Characteristics (continued)

(1)(2)(3)

PARAMETER

TEST CONDITIONS

UNIT

(12) VCMHI voltage average drift is determined by dividing the change in VCMHI at the temperature extremes by the total temperature

change.

(13) VCMHI_acc vs. VREF is determined by dividing the change in VCMHI_acc at the VREF extremes by the total VREF change.

VCM BUFFER

VCMHI_acc

VCMHI accuracy

–1.6

1.6

mV

Tc_VCMHI

VCMHI temperature

–18

–5

8

µV/°C

1.8 V < VREF < 5 V

–500

–100

300

µV/V

VCMHI = 1/2 VREF

250

K

Ω

VCMHI = 1/2 VREF, 300

mV < VCM < VDD – 300

mV

120

dB

at the temperature

extremes

90

VCMHI = 1/2 VREF

–200

200

µV

at the temperature

extremes

–350

350

Input offset voltage drift

VCMHI = 1/2 VREF

–2.5

2.5

µV/°C

f = 1 KHz

4

Ω

DC_Power supply rejection

ratio

1.8 V < VDD < 5 V,

VCMHI = 1/2 VREF

80

dB

Input referred noise (low

Integrated 0.1 Hz to 10 Hz

2.6

Input referred noise (high

f = 1 KHz

90

nV/

√Hz

Output short circuit

Sourcing, Vout to GND

VCMHI = 1/2 VREF

16

mA

at the temperature

extremes

10

Sinking, Vout to VDD

VCMHI = 1/2 VREF

12

at the temperature

extremes

8