TDA8764 Datasheet, PDF (14/28 Pages) NXP Semiconductors – 10-bit high-speed low-power ADC with internal reference regulator

Philips Semiconductors
10-bit high-speed low-power ADC with
internal reference regulator
Preliminary specification
TDA8764
handbook, halfpage
VRT
VRM
VRB
RLAD
ROT
RL
IL
code 1023
code 0
ROB
MGD281
Fig.4 Explanation of note 4.
Table 1 Output coding and input voltage (typical values; referenced to AGND); binary and gray codes
STEP V_i(p-p)
U/F <tbf
0
tbf
1
...
... ...
... ...
1022 ...
1023 tbf
O/F >tbf
BINARY OUTPUT BITS
GRAY OUTPUT BITS
IR
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0 00000000000000000000
1 00000000000000000000
1 00000000010000000001
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
1 11111111101000000001
1 11111111111000000000
0 11111111111000000000
Table 2 Output coding and input voltage (typical values; referenced to AGND); binary and twos complement codes
STEP V_i(p-p)
U/F <tbf
0
tbf
1
...
... ...
... ...
1022 ...
1023 tbf
O/F >tbf
BINARY OUTPUT BITS
TWO’S COMPLEMENT OUTPUT BITS
IR
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0 00000000001000000000
1 00000000001000000000
1 00000000011000000001
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
1 11111111100111111110
1 11111111110111111111
0 11111111110111111111
1999 Jan 12
14