TDA8540 Datasheet, PDF (3/20 Pages) NXP Semiconductors – 4 X 4 video switch matrix

Philips Semiconductors
4 × 4 video switch matrix
BLOCK DIAGRAM
Product specification
TDA8540
handbook, full pagewidth
12 PEAK-
IN3
CLAMP
SWITCH MATRIX
VCC(D0,1)
15
VCC(D2,3)
4
GAIN
DRIVER ³
3
OUT3
10 PEAK-
IN2
CLAMP
GAIN
DRIVER ¹
2
OUT2
IN1
8
PEAK-
CLAMP/
BIAS
GAIN
DRIVER ¹⁴
1
OUT1
IN0
VCC
DGND
AGND
6
PEAK-
CLAMP/
BIAS
2
CL0 to CL1
13
20
SUPPLY
9
4
4
4
4
DECODER DECODER DECODER DECODER
1 OF 4
1 OF 4
1 OF 4
1 OF 4
2
2
2
2
I²C RECEIVER
power reset
11 7
5
18 19
S0 S1 S2 SCL SDA
GAIN
G0 to G3
4
TDA8540
DRIVER ¹⁶
0
EN0 to EN3
4
17
2
MLA279 - 2
OUT0
D1
D0
Fig.1 Block diagram.
1995 Feb 06
3