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PDF TDA6920 Data sheet ( Hoja de datos )
| Número de pieza | TDA6920 | |
| Descripción | 7 x 5 Video Matrix Switch | |
| Fabricantes | Siemens Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TDA6920 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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7 x 5 Video Matrix Switch
TDA 6920
1 Overview
1.1 Features
q Fast I2C Bus controlled (max. 400 kHz)
q Cascadable (2 bus addresses)
q 7 CVBS inputs, 5 outputs
3 inputs with clamp disable by bus
q 1 input selectable as Y-input (S-VHS)
q 1 additional C-input (S-VHS)
q Y+C operation for S-VHS
selected by bus
q Fully ESD protected
q – 60 dB max. crosstalk at 5 MHz (P-DSO-28-1 only)
q Low operating voltage of 7.5 V
q 5 V operation is possible with reduced output signals
of max. 2 Vpp
q 15 MHz minimum bandwidth
q Noise insensitive clamping inputs
q Low impedance off condition
separate for each output
P-DIP-18-5
P-DSO-28-1
Type
TDA 6920
TDA 6920X
Ordering Code
Q67000-A5200
Q67007-A5225 GEG
Package
P-DIP-18-5
P-DSO-28-1
1.2 General Description
The TDA 6920 switches 7 video input sources to 5 outputs. Each output can be switched
to only one input, but one input can be switched to all outputs. The C-input may be
combined with one CVBS input as Y for Y+C (S-VHS) operation. Y+C operation is
selected by bus.
1.3 Application
q Television sets
q Satellite receivers
q Video mixing desks
Semiconductor Group
1
12.96
1 page  
SDA
Out 1-5 (CVBS output)
TDA 6920
Overview
VREF (SO-28 only)
Semiconductor Group
5
5 Page 
TDA 6920
3.2 Operating Range
Parameter
Symbol Limit Values
min. max.
Supply voltage
Absolute minimum supply
voltage (only usable with
reduced output signals of max.
2 Vpp)
VCC
VCC
7.5 13.2
4.5
Reference voltage
(P-DSO-28-1 only)
VREF
3.3 3.9
Video-input frequency range – ƒ 0IN IN1 - IN7, C
3 dB
20
Video-input AC-voltage (color) VC
Video-input AC-voltage
(Y, CVBS)
VIN1 - IN7
1.0
1.7
Video-output AC-voltage
Input DC-voltage
Input DC-voltage (clamping)
Input DC-voltage
(non clamping)
VOUT1 - OUT5
VC 1.3
VIN1 - IN7
1.8
VIN2, 3, 4
1.5
3.4
2.3
3.5
3.2
Input source-impedance
(clamping)
RI IN1 - IN7 0
500
I2C-Bus clock
Ambient temperature during
operation
ƒIN SDA, SCL
TA
0
– 10
500
85
Unit Test Condition
V
V
V
MHz
Vpp
Vpp
Vpp
V
V
V
Ω
kHz
°C
Note: In the operating range the functions given in the circuit description are fulfilled.
Semiconductor Group
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TDA6920.PDF ] | |
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