TDA8752B Datasheet, PDF (30/36 Pages) NXP Semiconductors – Triple high-speed Analog-to-Digital Converter 110 Msps ADC

Philips Semiconductors
Triple high-speed Analog-to-Digital
Converter 110 Msps (ADC)
APPLICATION INFORMATION
Preliminary specification
TDA8752B
handbook, full pagewidth
39 nF
CZ
VCCA(PLL)
n.c.
PWDWN
CKBO
150 pF _COAST
CP
CLP OE CKADCO
AGNDPLL CKEXT
VCCO(PLL)
CKREF
VCCD
HSYNC
INV
DGND
OGNDPLL
CKAO
2.5 V
RIN
GIN
BIN
10 nF
n.c.
DEC2
Vref
DEC1
1.5 nF
n.c.
10 nF
4.7 nF
RAGC
RBOT
22 nF _RGAINC
10 nF
RCLP
RDEC
VCCAR
100 nF
RIN
AGNDR
75 Ω or 50 Ω
GAGC
10 nF
GBOT
22 nF _GGAINC
4.7 nF
GCLP
10 nF _GDEC
VCCAG
100 nF
GIN
AGNDG
75 Ω or 50 Ω
10 nF
22 nF
4.7 nF
10 nF
BAGC
BBOT
BGAINC
BCLP
BCDEC
VCCAB
100 nF
BIN
75 Ω or 50 Ω
AGNDB
n.c.
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
1
80
2
79
3
78
4
77
5
76
6
75
7
74
8
73
9
72
10
71
11
70
12
69
13
68
14
67
15
66
TDA8752B
16
65
17
64
18
63
19
62
20
61
21
60
22
59
23
58
24
57
25
56
26
55
27
54
28
53
29
52
30
51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
CKREFO
VCCOR
R7
R6
R5
R4
R3
R2
R1
R0
OGNDR
VCCOG
G7
G6
G5
G4
G3
G2
G1
G0
OGNDG
VCCOB
B7
B6
B5
B4
B3
B2
B1
n.c.
n.c. ADD1 TCK DIS
VDDD
I²C/3W ADD2 TDO SEN
VSSD
n.c. ROR BOR
n.c. _GOR
4.7
4.7
kΩ
kΩ
SDA
SCL
VDDD
VDDD
B0
n.c.
OGNDB
FCE477
All supply pins have to be decoupled, with two capacitors:
one for high frequencies (approximately 1 nF) and one for the low frequencies (approximately 100 nF or higher).
If the capacitor CZ (39 nF) is not available, use a higher one as close as possible of this value.
Fig.13 Application diagram.
2000 Jan 10
30