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TDA8443A Datasheet PDF : 20 Pages
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Philips Semiconductors
I2C-bus controlled YUV/RGB switch
Product specification
TDA8443A
FEATURES
• Two RGB/YUV selectable clamped inputs with
associated synchronization
• RGB/YUV matrix
• 3-state switching with an OFF-state
• Selectable gain
• I2C-bus or non-I2C-bus mode
• Address selection for 7 devices
• Fast switching.
GENERAL DESCRIPTION
The TDA8443A is a general purpose two-channel switch
for YUV or RGB signals. One channel provides matrixing
from RGB to YUV, which can be bypassed.
The IC is controlled via I2C-bus by seven different
addresses or can be used in a non-I2C-bus mode. In the
non-I2C-bus mode, control of the circuit is achieved by DC
voltages.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VP
supply voltage (pin 18)
IP
supply current
RGB/YUV channels
Z19-22
Z20-22
Z21-22
B
output impedance (pin 19)
output impedance (pin 20)
output impedance (pin 21)
bandwidth
VO(p−p)
Tamb
maximum output amplitude of YUV
signals (peak-to-peak value)
operating ambient temperature
CONDITIONS
−3 dB; mode 0 or 2
+3 dB; mode 0 or 2
±3 dB; mode 1
gain × 1
gain × 2
MIN.
10.8
−
TYP.
12.0
65
MAX.
13.2
90
UNIT
V
mA
−
7
−
7
−
7
−
25
−
12
−
10
2.1
−
4.2
−
0
−
30
Ω
30
Ω
30
Ω
−
MHz
−
MHz
−
MHz
−
V
−
V
+70
°C
ORDERING INFORMATION
TYPE
NUMBER
TDA8443A
NAME
DIP24
PACKAGE
DESCRIPTION
plastic dual in-line package; 24 leads (600 mil)
VERSION
SOT101-1
1995 Mar 07
2
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