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TDA8757 Datasheet, PDF (8/37 Pages) NXP Semiconductors – Triple 8-bit ADC 170 Msps
Philips Semiconductors
TDA8757
Triple 8-bit ADC 170 Msps
9397 750 09457
Preliminary data
Table 3: Pin description…continued
Symbol
Pin
Description
AGCR
5
BOTR
6
GAINCR
7
CLPR
8
DECR
9
VCCA(R)
10
INR
11
n.c.
12
red channel AGC output
red channel ladder decoupling input (BOT)
red channel gain capacitor input
red channel clamp capacitor input
red channel regulator decoupling input
red channel analog supply voltage
red channel analog input
not connected
AGNDR
13
red channel gain analog ground
n.c.
14
not connected
AGCG
15
BOTG
16
GAINCG
17
CLPG
18
DECG
19
VCCA(G)
20
ING
21
AGNDG
22
INSOG
23
SOGO
24
n.c.
25
green channel AGC output
green channel ladder decoupling input (BOT)
green channel gain capacitor input
green channel clamp capacitor input
green channel regulator decoupling input
green channel analog supply voltage
green channel analog input
green channel gain analog ground
sync on green channel input
composite sync output
not connected
AGCB
26
BOTB
27
GAINCB
28
CLPB
29
DECB
30
VCCA(B)
31
INB
32
AGNDB
33
n.c.
34
blue channel AGC output
blue channel ladder decoupling input (BOT)
blue channel gain capacitor input
blue channel clamp capacitor input
blue channel regulator decoupling input
blue channel analog supply voltage
blue channel analog input
blue channel gain analog ground
not connected
n.c.
35
not connected
n.c.
36
not connected
I2C/3W
37
selection input between I2C-bus (active HIGH) and 3W-bus
(active LOW)
A1
38
I2C-bus address control input 1
A2
39
I2C-bus address control input 2
TCK
40
scan test mode input (active HIGH)
TDO
41
scan test output
DIS
42
I2C-bus and 3W-bus disable control input (disable at HIGH
level)
SEN
43
select enable input for 3W-bus
Rev. 07 — 28 February 2002
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
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