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 = –1 V to +1 V, and INN

= HGND = 0 V; 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

0.1

0.8

GΩ

RIND

Differential input resistance

0.1

1.2

IIB

Input bias current

INP = INN = HGND, IIB = (IIBP +

IIBN) / 2

–10

2.5

10

nA

TCIIB

Input bias current drift

–14

pA/°C

IIO

Input offset current

IIO = IINP – IINN; INP = INN = HGND

–10

-0.8

10

nA

CIN

Single-ended input capacitance

INN = HGND, fIN = 310 kHz

2

pF

CIND

Differential input capacitance

fIN = 310 kHz

2

ANALOG OUTPUT

Nominal gain

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

V+ = (VOUTP – VOUTN); VDCDCout ≤

VDCDCUV or VHLDOout ≤ VHLDOUV

–2.57

–2.5

V

BWOUT

Output bandwidth

300

375

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

–0.3

±0.05

0.3

mV

TCVOS

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

–4

±1

4

µV/°C

EG

Gain error

TA = 25°C

–0.2%

–0.08%

0.2%

TCEG

Gain error drift(1) (5)

–45

±7

45

ppm/°C

Nonlinearity

–0.02%

0.01%

0.02%

Nonlinearity drift

0.4

ppm/°C

SNR

Signal-to-noise ratio

VIN = 2 VPP, fIN = 1 kHz,

BW = 10 kHz, 10 kHz filter

81

85

dB

VIN = 2 VPP, fIN = 10 kHz,

BW = 100 kHz, 1 MHz filter

72

THD

Total harmonic distortion(3)

VIN = 2 Vpp, fIN = 10 kHz,

BW = 100 kHz

–84

dB

Output noise

INP = INN = HGND, fIN = 0 Hz,

BW = 100 kHz

250

µVRMS

CMRR

Common-mode rejection ratio

fIN = 0 Hz, VCM min ≤ VCM ≤ VCM max

–100

dB

fIN = 10 kHz, VCM min ≤ VCM ≤ VCM

max

–86

PSRR

Power-supply rejection ratio

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

referred

–98

dB

INP = INN = HGND, VDD from 3.0

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

input referred

–86

DIGITAL OUTPUT ( DIAG)

VOL

Low-level output voltage

ISINK= 4 mA

80

250

mV

AMC3330

SBASA34B – JUNE 2020 – REVISED AUGUST 2024

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