ADS5400IPZP datasheet(6/58 Pages) TI2

6 / 58 page

ADS5400

SLAS611C – OCTOBER 2009 – REVISED JANUARY 2016

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Pin Functions (continued)

TYPE

DESCRIPTION

NO.

NAME

Unidirectional serial interface data in 4-pin mode (reg 0x01) provides internal register

SDO

Output

settings. The SDO pin is in high-impedance state in 3-pin interface mode (default).

Analog input common mode voltage, Output (for DC-coupled applications, nominally 2.5

VCM

Input/Output

V). A 0.1-

μF capacitor to AGND is recommended, but not required.

Reference voltage input (2 V nominal). A 0.1-

μF capacitor to AGND is recommended,

VREF

Input

but not required.

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)

(1)

MIN

MAX

UNIT

AVDD5 to GND

AVDD3 to GND

DVDD3 to GND

Supply

AINP, AINN to GND(2)

Voltage difference between pin and ground

0.5

4.5

voltage

(AVDD5 +

Short duration

–0.3

0.3)

Voltage difference

AINP to AINN(2)

between pins, common

Continuous AC signal

1.25

3.75

mode at AVDD5/2

Continuous DC signal

1.75

3.25

CLKINP, CLKINN to GND(2)

Voltage difference between pin and ground

0.5

4.5

Voltage difference

Continuous AC signal

1.1

3.9

CLKINP to CLKINN(2)

between pins, common

Continuous DC signal

mode at AVDD5/2

RESETP, RESETN to

(AVDD5 +

Voltage difference between pin and ground

–0.3

GND(2)

0.3)

Continuous AC signal

1.1

3.9

Voltage difference

Pin voltage

RESETP to RESETN(2)

between pins

Continuous DC signal

Data/OVR Outputs to

(DVDD3 +

–0.3

GND(2)

0.3)

SDENB, SDIO, SCLK to

(AVDD3 +

Voltage difference between pin and ground

–0.3

GND(2)

0.3)

ENA1BUS, ENPWD,

(AVDD5 +

–0.3

ENEXTREF to GND(2)

0.3)

Operating

–40

°C

Temperature

Maximum junction , TJ

150

°C

Storage, Tstg

–65

150

°C

(1)

Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may

degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond

those specified is not implied. Kirkendall voidings and current density information for calculation of expected lifetime is available upon

request.

(2)

Valid when supplies are within recommended operating range.

6.2 ESD Ratings

VALUE

UNIT

Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)

2000

Electrostatic

V(ESD)

discharge

Charged device model (CDM), per JEDEC specification JESD22-C101(2)

500

(1)

JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

(2)

JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

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