THS1206IDAR Datasheet, PDF (20/43 Pages) Texas Instruments – 12-BIT, 4 ANALOG INPUT, 6 MSPS, SIMULTANEOUS SAMPLINGANALOG TO-DIGITAL CONVERTERS

THS1206
SLAS217H – MAY 1999 – REVISED JULY 2003#
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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
AIN = (VREFP + VREFM)/2
AIN = VREFM
FFFh
800h
000h
Table 4. Twos Complement Output Format for Single-Ended Configuration
SINGLE-ENDED, TWOS COMPLEMENT
ANALOG INPUT VOLTAGE
DIGITAL OUTPUT CODE
AIN = VREFP
AIN = (VREFP + VREFM)/2
AIN = VREFM
7FFh
000h
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
Vin = 0
Vin = –VREF
FFFh
800h
000h
Table 6. Twos Complement Output Format for Differential Configuration
DIFFERENTIAL, BINARY OUTPUT
ANALOG INPUT VOLTAGE
DIGITAL OUTPUT CODE
Vin = AINP – AINM
VREF = VREFP – VREFM
Vin = VREF
Vin = 0
Vin = –VREF
7FFh
000h
800h
20