5.9 Electrical Characteristics

minimum and maximum specifications apply from TA = –40°C to +125°C, VDD = 3.0 V to 5.5 V, INP = –250 mV to +250 mV,

INN = HGND = 0 V, and the external components listed in the Typical Application section; typical specifications are at TA =

25°C, and VDD = 3.3 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG INPUT

RIN

Single-ended input resistance

INN = HGND

19

kΩ

RIND

Differential input resistance

22

IIB

Input bias current

INP = INN = HGND; IIB = (IIBP +

IIBN) / 2

–41

–30

–24

µA

TCIIB

Input bias current drift

0.8

nA/°C

IIO

Input offset current

IIO = |IIBP – IIBN|

1.4

nA

CIN

Single-ended input capacitance

INN = HGND, fIN = 275 kHz

2

pF

CIND

Differential input capacitance

fIN = 275 kHz

1

ANALOG OUTPUT

Nominal gain

8.2

V/V

VCMout

Common-mode output voltage

1.39

1.44

1.49

V

VCLIPout

Clipping differential output voltage

VOUT = (VOUTP – VOUTN);

|VIN| = |VINP – VINN| > VClipping

±2.49

V

VFailsafe

Failsafe differential output voltage

VOUT = (VOUTP – VOUTN);

VDCDC_OUT ≤ VDCDCUV, or

VHLDO_OUT ≤ VHLDOUV

–2.57

-2.5

V

BW

Output bandwidth

290

334

kHz

ROUT

Output resistance

On OUTP or OUTN

0.2

Ω

Output short-circuit current

On OUTP or OUTN, sourcing or

sinking, INP = INN = HGND, outputs

shorted to either GND or VDD

14

mA

CMTI

Common-mode transient immunity

|HGND – GND| = 2 kV

85

135

kV/µs

ACCURACY

VOS

Input offset voltage(1) (2)

TA = 25°C, INP = INN = HGND

–0.15

±0.02

0.15

mV

TCVOS

Input offset drift(1) (2) (4)

–1

±0.15

1

uV/°C

EG

Gain error(1)

TA = 25°C

–0.2%

±0.04%

0.2%

TCEG

Gain error drift(1) (5)

–40

±6

40

ppm/°C

Nonlinearity(1)

–0.04%

±0.002%

0.04%

Nonlinearity drift(1)

0.9

ppm/°C

SNR

Signal-to-noise ratio

VIN = 0.5 VPP, fIN = 1 kHz, BW = 10

kHz, 10 kHz filter

80

85

dB

VIN = 0.5 VPP, fIN = 10 kHz,

BW = 100 kHz, 1 MHz filter

67

71

THD

Total harmonic distortion(3)

VIN = 0.5 Vpp, fIN = 10 kHz,

BW = 100 kHz

–85

dB

Output noise

INP = INN = HGND, fIN = 0 Hz,

BW = 100 kHz

300

µVRMS

CMRR

Common-mode rejection ratio

fIN = 0 Hz, VCM min ≤ VCM ≤ VCM max

–97

dB

fIN = 10 kHz, VCM min ≤ VCM ≤ VCM

max

–98

PSRR

Power-supply rejection ratio

VDD from 3.0 V to 5.5 V, at dc, input

referred

–109

dB

INP = INN = HGND, VDD from 3.0

V to 5.5 V, 10 kHz / 100 mV ripple,

input referred

–98

AMC3301

SBAS917C – AUGUST 2019 – REVISED MAY 2025

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