tda8708a NXP Semiconductors, tda8708a Datasheet - Page 2

• Manufacturer Part Number: tda8708a
• Description: Video Analog Input Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FEATURES
QUICK REFERENCE DATA
ORDERING INFORMATION
June 1994
V
V
V
I
I
I
ILE
DLE
f
B
P
CCA
CCD
CCO
clk(max)
8-bit resolution
Sampling rate up to 32 MHz
Binary or two's complement 3-state TTL outputs
TTL-compatible digital inputs and outputs
Internal reference voltage regulator
Power dissipation of 365 mW (typical)
Input selector circuit (one out of three video inputs)
Clamp and Automatic Gain Control (AGC) functions for
CVBS and Y signals
No sample-and-hold circuit required.
The TDA8708A has white peak control in modes 1 and
2 whereas the TDA8708B has control in mode 1 only.
TYPE NUMBER
CCA
CCD
CCO
tot
Video analog input interface
TDA8708AT
TDA8708A
SYMBOL
analog supply voltage
digital supply voltage
TTL output supply voltage
analog supply current
digital supply current
TTL output supply current
DC integral linearity error
DC differential linearity error
maximum clock frequency
maximum 3 dB bandwidth (AGC amplifier)
total power dissipation
PINS
28
28
PARAMETER
PIN POSITION
SO28L
DIP
2
APPLICATIONS
GENERAL DESCRIPTION
The TDA8708A is an analog input interface for video signal
processing. It includes a video amplifier with clamp and
gain control, an 8-bit analog-to-digital converter (ADC)
with a sampling rate of 32 MHz and an input selector.
Video signal decoding
Scrambled TV (encoding and decoding)
Digital picture processing
Frame grabbing.
PACKAGE
4.5
4.5
4.2
30
12
MIN.
MATERIAL
plastic
plastic
5.0
5.0
5.0
37
24
12
32
18
365
TYP.
Product specification
5.5
5.5
5.5
45
30
16
500
1
0.5
MAX.
TDA8708A
SOT136-1
SOT117-1
CODE
V
V
V
mA
mA
mA
LSB
LSB
MHz
MHz
mW
UNIT