AMC1302 datasheet(8/36 Pages) TI1

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AMC1302-Q1

SBAS920 – OCTOBER 2018

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Electrical Characteristics (continued)

minimum and maximum specifications apply from TA = –40°C to +125°C, VDD1 = 3.0 V to 5.5 V, VDD2 = 3.0 V to 5.5 V, INP

= –50 mV to +50 mV, and INN = GND1 = 0 V; typical specifications are at TA = 25°C, VDD1 = 5 V, and VDD2 = 3.3 V (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG OUTPUT

Nominal gain

Gain error(1)

initial, at TA = 25°C

–0.3%

±0.05%

0.3%

TCEG

Gain error drift(1)

–50

±15

ppm/°C

Nonlinearity(1)

–0.03%

±0.01%

0.03%

Nonlinearity drift

±1

ppm/°C

THD

Total harmonic distortion

VIN = 100 mVPP, fIN = 10 kHz, BW = 100 kHz

–85

Output noise

VINP = VINN = GND1, BW = 100 kHz

260

μVRMS

SNR

Signal-to-noise ratio

VIN = 100 mVPP, fIN = 1 kHz, BW = 10 kHz

VIN = 100 mVPP, fIN = 10 kHz, BW = 100 kHz

PSRR

Power-supply rejection ratio

PSRR vs VDD1, at DC

–104

PSRR vs VDD1, 100-mV and 10-kHz ripple

–108

PSRR vs VDD2, at DC

–104

PSRR vs VDD2, 100-mV and 10-kHz ripple

–87

VCMout

Common-mode output

voltage

1.39

1.44

1.49

VFAILSAFE

Failsafe differential output

voltage

VCM > VCMov or VDD1 ≤ VDD1UV

–2.6

–2.5

Output bandwidth

220

280

kHz

ROUT

Output resistance

On OUTP or OUTN

< 0.2

Output short-circuit current

±14

CMTI

Common-mode transient

immunity

|GND1 – GND2| = 1 kV

kV/µs

POWER SUPPLY

VDD1POR

VDD1 power on reset

threshold voltage

VDD1 falling

1.75

2.15

2.7

IDD1

High-side supply current

3.0 V

≤ VDD1 ≤ 3.6 V

6.2

8.5

4.5 V

≤ VDD1 ≤ 5.5 V

7.2

9.8

IDD2

Low-side supply current

3.0 V

≤ VDD2 ≤ 3.6 V

5.3

7.2

4.5 V

≤ VDD2 ≤ 5.5 V

5.9

8.1

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