TDA8705A Datasheet, PDF (3/16 Pages) NXP Semiconductors – 6-bit high-speed dual Analog-to-Digital Converter ADC

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reference
voltage TOP ^VRTA
5
A
analog
voltage input ^VIA
6
A
reference
voltage BOTTOM
V _RBA
4
A
reference
voltage MIDDLE
A
reference ^VRMA
voltage TOP ^VRTB
B
V _RMB
9
12
14
reference
voltage MIDDLE
B
analog
voltage input ^VIB
11
B
reference
voltage BOTTOM
V _RBB
13
B
RINTA
RINTB
DEC
10
REGULATOR
V _CCA
8
ANALOG -TO-DIGITAL 6
CONVERTER
A
ANALOG -TO-DIGITAL 6
CONVERTER
B
22
OGND
output ground
7
AGND
analog ground
3
DGND
digital ground
V _CCD
2
V _CCO
21
LATCHES
28 D5A
27 D4A
MSB
TTL OUTPUTS
26 D3A
25 D2A
data
outputs
24 D1A
23 D0A
LSB
TDA8705A
LATCHES
20 D5B
19 D4B
MSB
TTL OUTPUTS
18 D3B
17 D2B
data
outputs
16 D1B
15 D0B _LSB
CLOCK DRIVER
1
CLK
MLC374
Fig.1 Block diagram.