TDA8761M 데이터 시트보기 (PDF) - Philips Electronics
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TDA8761M Datasheet PDF : 20 Pages
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Philips Semiconductors
9-bit analog-to-digital converter for
digital video
Preliminary specification
TDA8761
Table 1 Output coding and input voltage (typical values; referenced to AGND, VRB = 1.3 V, VRT = 3.3 V)
BINARY OUTPUT BITS
TWO’S COMPLEMENT OUTPUT BITS
STEP VI(p-p) IR
D8 D7 D6 D5 D4 D3 D2 D1 D0 D8 D7 D6 D5 D4 D3 D2 D1 D0
U/F <1.55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1.55 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1
.
1 000000001000000001
.
.
. ..................
.
.
. ..................
510
.
1 111111111111111110
511 3.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
O/F >3.05 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Table 2 Mode selection
TC
CE
X
1
0
0
1
0
D8 TO D0
high impedance
active; two’s complement
active; binary
IR
high impedance
active
active
handbook, full pagewidth
tCPH
t CPL
CLK
sample N
sample N + 1 sample N + 2
1.4 V
Vl
DATA
D0 to D8
t ds
DATA
N-2
DATA
N-1
td
th
DATA
N
DATA
N+1
2.4 V
1.4 V
0.4 V
MGC357
1995 Mar 20
Fig.3 Timing diagram.
10
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