TDA8768A Datasheet, PDF (3/32 Pages) NXP Semiconductors – 12-bit, 70 Msps Analog-to-Digital Converter (ADC)

Philips Semiconductors
6. Block diagram
TDA8768A
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
VCCA1
VCCA3 VCCA4 _{CLK CLK} VCCD1 VCCD2 _{OTC CE}
2
3
41 35 36
37 15
18 19
6 to 10, 13, 14, 16
n.c.
FSref ¹²
11
Vref
VREF
REFERENCE
AMP
CLOCK DRIVER
43
VI
VI
42
sample-
and-hold
ANALOG-TO-DIGITAL
CONVERTER
LATCHES
39
SH
CMOS
OUTPUTS
21 D11
MSB
22 D10
23 D9
24 D8
25 D7
26 D6
27 D5 data outputs
28 D4
29 D3
30 D2
31 D1
32 D0
LSB
CMADC ¹
DEC
5
CMADC
REFERENCE
TDA8768A
OVERFLOW/
UNDERFLOW
LATCH
33
CMOS
20
OUTPUT
VCCO
IR
44
AGND1
4
40
AGND3 AGND4
38
17
DGND1 DGND2
34
005aaa024
OGND
Fig 1. Block diagram.
9397 750 09656
Product data
Rev. 02 — 03 July 2002
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
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