Datasheet

THS1206
SLAS217H – MAY 1999 – REVISED JULY 2003#
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20
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 = V
REFP
FFFh
AIN = (V
REFP
+ V
REFM
)/2 800h
AIN = V
REFM
000h
Table 4. Twos Complement Output Format for Single-Ended Configuration
SINGLE-ENDED, TWOS COMPLEMENT
ANALOG INPUT VOLTAGE DIGITAL OUTPUT CODE
AIN = V
REFP
7FFh
AIN = (V
REFP
+ V
REFM
)/2 000h
AIN = V
REFM
800h
Table 5. Binary Output Format for Differential Configuration
DIFFERENTIAL, BINARY OUTPUT
ANALOG INPUT VOLTAGE DIGITAL OUTPUT CODE
V
in
= AINP – AINM
V
REF
= V
REFP
– V
REFM
V
in
= V
REF
FFFh
V
in
= 0 800h
V
in
= –V
REF
000h
Table 6. Twos Complement Output Format for Differential Configuration
DIFFERENTIAL, BINARY OUTPUT
ANALOG INPUT VOLTAGE DIGITAL OUTPUT CODE
V
in
= AINP – AINM
V
REF
= V
REFP
– V
REFM
V
in
= V
REF
7FFh
V
in
= 0 000h
V
in
= –V
REF
800h