TDA8764 Datasheet, PDF (4/28 Pages) NXP Semiconductors – 10-bit high-speed low-power ADC with internal reference regulator

Philips Semiconductors
10-bit high-speed low-power ADC with
internal reference regulator
BLOCK DIAGRAM
Preliminary specification
TDA8764
handbook, full pagewidth
VCCA _DEC
CLK
VCCD2 _{OE GRAY}
3 (7)
5 (10)
REFERENCE
VOLTAGE
REGULATOR
1 (5)
CLOCK DRIVER
11 (17) 10 15 (21)
(16)
2 (6)
VRT
9 (15)
analog ^{VI 8 (14)}
voltage input
VRM
7 (13)
ANALOG-TO-DIGITAL
CONVERTER
RLAD
LATCHES
CMOS
OUTPUTS
25 (31)
24 (30)
23 (29)
22 (28)
21 (27)
20 (26)
19 (25)
18 (24)
17 (23)
16 (22)
VRB
6 (12)
13 (19)
TDA8764
IN-RANGE LATCH
CMOS
OUTPUT
26 (2)
28 (4)
4 (8)
AGND
12 (18)
DGND2
14 (20)
OGND
27 (3)
DGND1
FCE099
analog ground digital ground output ground digital ground
TC
D9 _MSB
D8
D7
D6
D5 _{data outputs}
D4
D3
D2
D1 _LSB
D0
VCCO
IR output
VCCD1
The pin numbers given in parenthesis refer to the LQFP32 package.
Fig.1 Block diagram.
1999 Jan 12
4