THS1206 datasheet(13/41 Pages) TI

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THS1206

12-BIT 6 MSPS, SIMULTANEOUS SAMPLING

ANALOG-TO-DIGITAL CONVERTERS

SLAS217D – MAY 1999 – REVISED APRIL 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

digital output data format

The digital output data format of the THS1206 can either be in binary format or in twos complement format. The

following tables list the digital outputs for the analog input voltages.

Table 3. Binary Output Format for Single-Ended Configuration

SINGLE-ENDED, BINARY OUTPUT

ANALOG INPUT VOLTAGE

DIGITAL OUTPUT CODE

AIN = VREFP

FFFh

AIN = (VREFP + VREFM)/2

800h

AIN = VREFM

000h

Table 4. Two’s Complement Output Format for Single-Ended Configuration

SINGLE-ENDED, TWOS COMPLEMENT

ANALOG INPUT VOLTAGE

DIGITAL OUTPUT CODE

AIN = VREFP

7FFh

AIN = (VREFP + VREFM)/2

000h

AIN = VREFM

800h

Table 5. Binary Output Format for Differential Configuration

DIFFERENTIAL, BINARY OUTPUT

ANALOG INPUT VOLTAGE

DIGITAL OUTPUT CODE

Vin = AINP – AINM

VREF = VREFP – VREFM

Vin = VREF

FFFh

Vin = 0

800h

Vin = –VREF

000h

Table 6. Two’s Complement Output Format for Differential Configuration

DIFFERENTIAL, BINARY OUTPUT

ANALOG INPUT VOLTAGE

DIGITAL OUTPUT CODE

Vin = AINP – AINM

VREF = VREFP – VREFM

Vin = VREF

7FFh

Vin = 0

000h

Vin = –VREF

800h

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