Philips Semiconductors
6-bit analog-to-digital converter
with multiplexer and clamp
Product specification
TDA8706A
Table 1 Output coding and input voltage (typical values); VDDA = VDDD = 3.3 V
STEP
Vi (V)
BINARY OUTPUT BITS
D5
D4
D3
D2
D1
D0
Underflow
0
1
.
.
62
63
Overflow
<VDDA − 1.12
VDDA − 1.12
.
.
.
.
VDDA − 0.42
>VDDA − 0.42
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
Table 2 Clamping input level (VCLPR, VCLPG and VCLPB)
VCLPR, VCLPG, VCLPB
Open-circuit(1)
Vcode(−9) to Vcode(20)
Note
1. Use capacitor ≥10 pF to VSSA.
CLAMPING LEVEL
code 0
code −9 to code 20
Table 3 Clamp and inputs RED, GREEN and BLUE; VDDA = VDDD = VDDO = 3.3 V
SR or SG or SB
0
1
CLAMP
1
VCLPR, VCLPG or VCLPB
open
VCLP
open
VCLP
Vi RED or GREEN or BLUE
VDDA − 1.12 V
VCLP
VDDA − 1.12 V
VCLP
DIGITAL OUTPUTS
don’t care
0
code (VCLP)
2003 Jul 21
8