TDA8792 Datasheet, PDF (9/20 Pages) NXP Semiconductors – 3.3 V, 25 MHz 8-bit analog-to-digital converter ADC

Philips Semiconductors
3.3 V, 25 MHz 8-bit
analog-to-digital converter (ADC)
Product specification
TDA8792
Table 1 Output coding and input voltage (typical values; referenced to V_SSA)
BINARY OUTPUT BITS
STEP
V_{I(p-p) (V)}
D7
D6
D5
D4
D3
D2
D1
D0
Underflow
<0
0
0
1
.
.
.
.
.
254
.
255
1.5
Overflow
>1.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Table 2 Mode selection
OE
D7 TO D0
1
high impedance
0
active; binary
Table 3 Standby selection
STDBY
1
0
D7 TO D0
LOW
active
I_DDA + I_DDD (typ.)
0.4 mA
15 mA
tCPH
t _CPL
CLK
sample N 1
sample N 2
Vl
DATA
D0 to D7
t _ds
DATA
N6
DATA
N5
td
sample N 6
1.4 V
th
DATA
N1
DATA
N
VDDO _{0.4 V}
50%
0.4 V
MLD121
1996 Feb 21
Fig.3 Timing diagram.
9