ADM1063ASU datasheet(4/36 Pages) AD

4 / 36 page

ADM1063

Rev. 0 | Page 4 of 36

SPECIFICATIONS

VH = 3.0 V to 14.4 V1, VPn = 3.0 V to 6.0 V1, TA = −40°C to +85°C, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER SUPPLY ARBITRATION

VH, VPn

3.0

Minimum supply required on one of VH, VPn.

6.0

Maximum VDDCAP = 5.1 V, typical.

14.4

VDDCAP = 4.75 V.

VDDCAP

2.7

4.75

5.4

Regulated LDO output.

CVDDCAP

µF

Minimum recommended decoupling capacitance.

POWER SUPPLY

Supply Current, IVH, IVPn

4.2

VDDCAP = 4.75 V, PDO1 to PDO10 off, DACs off,

ADC off.

Additional Currents

All PDO FET Drivers On

VDDCAP = 4.75 V, PDO1 to PDO6 loaded with 1 µA

each, PDO7 to PDO10 off.

Current Available from VDDCAP

Maximum additional load that can be drawn from

all PDO pull-ups to VDDCAP.

DACs Supply Current

2.2

Six DACs on with 100 µA maximum load on each.

ADC Supply Current

Running round-robin loop.

EEPROM Erase Current

1 ms duration only, VDDCAP = 3 V.

SUPPLY FAULT DETECTORS

VH Pin

Input Attenuator Error

±0.05

Midrange and high range.

Detection Ranges

High Range

14.4

Midrange

2.5

VPn Pins

Input Attenuator Error

±0.05

Low range and midrange.

Detection Ranges

Midrange

2.5

Low Range

1.25

Ultralow Range

0.573

1.375

No input attenuation error.

VXn Pins

Input Impedance

MΩ

Detection Range

Ultralow Range

0.573

1.375

No input attenuation error.

Absolute Accuracy

±1

VREF error + DAC nonlinearity + comparator offset

error + input attenuation error.

Threshold Resolution

Bits

Digital Glitch Filter

µs

Minimum programmable filter length.

100

µs

Maximum programmable filter length.

ANALOG-TO-DIGITAL CONVERTER

Signal Range

VREFIN

The ADC can convert signals presented to the VH,

VPn, and VXn pins. VPn and VH input signals are

attenuated depending on selected range. A signal

at the pin corresponding to the selected range is

from 0.573 V to 1.375 V at the ADC input.

Input Reference Voltage on REFIN Pin, VREFIN

2.048

Resolution

Bits

INL

±2.5

LSB

Endpoint corrected, VREFIN = 2.048 V.

Gain Error

±0.05

VREFIN = 2.048 V.

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