tda8718k NXP Semiconductors, tda8718k Datasheet - Page 3

• Manufacturer Part Number: tda8718k
• Description: 8-bit High-speed Analog-to-digital Converter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
June 1994
handbook, full pagewidth
8-bit high-speed analog-to-digital converter
voltage BOTTOM
voltage middle
voltage TOP
voltage input
reference
reference
reference
analog
V RM 2
V RB
V RT
V I
analog negative
supply voltage
5
3
1
analog ground
28
V EEA
32
8
8
ANALOG SIGNAL
27
AGND
PROCESSING
RESISTOR
LADDER
&
digital ground
24
DGND
CLK
9
CLOCK DRIVER
Fig.1 Block diagram.
clock inputs
3
DECODING
LATCHES
OUTPUT
DIGITAL
INPUT
AND
&
CLK
8
digital negative
supply voltage
OGND1
12
V EED
23
ECL OUTPUTS
11
V BB
TDA8718
MBB854 - 2
13
14
15
16
17 D2
18
19
20
21
10
6
OGND2
OF
D7
D6
D5
D4
D3
D1
D0
UF
Product specification
TDA8718
MSB
LSB
data outputs
underflow
overflow
output
output
output
ground