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TEA6414A Arkusz danych(PDF) 3 Page - STMicroelectronics

Numer części TEA6414A
Szczegółowy opis  BUS-CONTROLLED VIDEO MATRIX SWITCH
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TEA6414A Arkusz danych(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS
TA =25
oC, VCC = 10V , RLOAD = 10k
Ω ,CLOAD = 3pF (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage (pin 9)
7
10
11
V
ICC
Power Supply Current (without load on outputs ; VCC=10V)
20
30
40
mA
INPUTS
Maximum Signal Amplitude (CVBS signal)
2
VPP
Input Current (per output connected, input voltage = 5VDC) (this
current is X6 when all outputs are connected on the input)
13
µA
DC Level
3.3
3.6
3.9
V
DC Level Shift (temperature from 0 to 70
oC)
5
100
mV
OUTPUTS (VIN =1VPP for all dynamic tests) Pins 13-14-15-16-17-18
Dynamic
4.5
5.5
VPP
Output Impedance
25
50
Gain
5.5
6.5
7.5
dB
Bandwidth (-1dB attenuation)
7
10
MHz
Bandwidth (-3dB attenuation)
15
MHz
Crosstalk (f = 5MHz)
-50
dB
DC level
2.4
2.7
3
V
GENERAL DESCRIPTION
The main function of the IC is to switch 8 video input
sources on 6 outputs.
Each output can be switched on only one of each
input. On each input an alignment of the lowest
level of the signal is made (bottom of synch. top for
CVBS or black level for RGB signals).
Each nominal gain between any input and output
is 6.5dB. For D2MAC or Chroma signal the align-
ment is switched off by forcing, with an external
resistor bridge, 5 VDC on the input.
Each input can be used as a normal input or as a
MAC or Chroma input (with external resistor
bridge).
All the switching possibilities are changed through
the BUS.
Driving 75
Ω load needs an external transistor.
It is possible to have the same input connected to
several outputs.
The starting configuration (power supply from 0 to
10V) is undetermined. In this case, 6 words of 8 bits
are necessary to determine one configuration. In
other case, one word of 8 bits is necessary to
determine one configuration.
BUS SELECTIONS (THOMSON BUS)
ADDRESS
MSB
DATA
LSB
Selected Output
Output is selected by
address bits
00000
XXX
Pin 18
00100
XXX
Pin 14
00010
XXX
Pin 16
00110
- - -
Not used
00001
XXX
Pin 17
00101
XXX
Pin 13
00011
XXX
Pin 15
00111
- - -
Not used
Selected Input
Input is selected by
data bits
00XXX
000
Pin 5
00XXX
100
Pin 8
00XXX
010
Pin 3
00XXX
110
Pin 20
00XXX
001
Pin 6
00XXX
101
Pin 10
00XXX
011
Pin 1
00XXX
111
Pin 11
Example : 00100 101 connects pin 10 (input) to pin 14 (output) (equals 25 hex.).
TEA6414A
3/9


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