tda8705at NXP Semiconductors, tda8705at Datasheet - Page 3

• Manufacturer Part Number: tda8705at
• Description: 6-bit High-speed Dual Analog-to-digital Converter Adc
• Manufacturer: NXP Semiconductors

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voltage BOTTOM
voltage BOTTOM
voltage TOP
reference
voltage TOP
reference
reference
voltage input
voltage input
reference
voltage MIDDLE
voltage MIDDLE
A
analog
analog
B
B
reference
A
reference
A
B
B
A
V RMA
V RMB
V RTA
V RBA
V RTB
V RBB
V IA
V IB
5
6
4
9
12
14
11
13
R INTA
R INTB
output ground
REGULATOR
OGND
22
DEC
10
analog ground
Fig.1 Block diagram.
ANALOG -TO-DIGITAL
ANALOG -TO-DIGITAL
7
AGND
CONVERTER
CONVERTER
A
B
digital ground
V CCA
8
3
DGND
6
6
V CCD
2
LATCHES
LATCHES
TDA8705A
CLOCK DRIVER
V CCO
CLK
1
21
TTL OUTPUTS
TTL OUTPUTS
MLC374
28
27
26
25
24 D1A
20
19
18
17
16 D1B
23
15
D5A
D4A
D3A
D2A
D0A
D5B
D4B
D3B
D2B
D0B
MSB
LSB
MSB
LSB
outputs
outputs
data
data