AMC7834 datasheet(12/97 Pages) TI2

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AMC7834

SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016

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Not tested during production. Specified by design and characterization.

6.7 Electrical Characteristics—General Specifications

The electrical ratings specified in this section apply to all specifications in this document, unless otherwise noted. These

specifications are interpreted as conditions that do not degrade the device parametric or functional specifications for the life of

the product containing it. AVDD = DVDD = 5 V, AVCC = 5 V, AVSS = –5 V, IOVDD = 1.8 to 3.3 V, PAVDD = 5 V, AGND = DGND =

0 V, external 2.5 V reference, DAC output range = 0 to 5 V for all DACs, no load on the DACs, current sense inputs common

mode at 48 V, TA = –40°C to 105°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

EXTERNAL REFERENCE INPUT

VREF_IN

Input voltage range

REF_IN pin

2.5

Input current

VREF_IN = 2.5 V

100

µA

DAC reference buffer offset

TA = 25°C

±5

ADC reference buffer offset

TA = 25°C

±5

INTERNAL REFERENCE

Output voltage

TA = 25°C, REF_OUT pin

2.4925

2.5

2.5075

Reference temperature

coefficient

ppm/°C

Output voltage noise

1 kHz

260

nV/

√Hz

Integrated noise from 0.1 Hz to 10 Hz

µVPP

PA_ON OUTPUT

PA_ON output voltage

PAVDD ≤ 20 V

AGND

PAVDD

SUPPLY ALARMS(1)

AVSS alarm threshold

–4.4

–4.1

–3.8

AVDD alarm threshold

3.4

3.9

4.4

DIGITAL LOGIC(1)

VIH

High-level input voltage

IOVDD = 1.7 V to 3.6 V

0.7 ×

IOVDD

VIL

Low-level input voltage

IOVDD = 1.7 V to 3.6 V

0.3 ×

IOVDD

Vhys

Hysteresis voltage

IOVDD = 1.7 V to 3.6 V

0.1 ×

IOVDD

VOH

High-level output voltage

SDO and DAV/ADC_RDY. IOVDD = 1.7 V,

I(LOAD) = 1 mA

IOVDD –

0.4

VOL

Low-level output voltage

IOVDD = 1.7 V to 3.6 V, I(LOAD) = –1 mA

0.4

High impedance leakage

±0.5

µA

High impedance output

capacitance

AMC7834 Datasheet(PDF) 12 Page - Texas Instruments

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