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PDF TA8851CNG Data sheet ( Hoja de datos )

Número de pieza TA8851CNG
Descripción AUDIO / VIDEO SWITCH
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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No Preview Available ! TA8851CNG Hoja de datos, Descripción, Manual

TA8851BNG,TA8851CNG
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8851BNG,TA8851CNG
AUDIO / VIDEO SWITCH IC FOR TV WITH S-TERMINALS
The TA8851BNG / CNG is an A / V SWITCH IC, which has 7
input channels and 2 output channels. Because the 2 output
channels can be switched independently of each other, the
TA8851BNG / CNG allows you to configure a PIP system input
switching circuit easily.
The TA8851BNG / CNG can be interfaced easily to a
microcontroller via the I2C bus.
3 of 7 input channels can be used for Y / C separated input.
FEATURES
www.DataSheet4UV.cidoemo Stage
Input
Composite video input
Y / C input
Output
Composite video output
Y / C output
Audio Stage
Input
L / R input
Output
L / R output
:
:
:
:
:
:
7 channels
3 channels
2 channels
2 channels
7 channels
3 channels
Functions
I2C bus interface
External mute circuit
DAC output (3 outputs)
Video clamp circuit
Mode output
ADC input (4 inputs)
Weight: 5.44 g (Typ.)
(Main and Sub)
(Main and Sub)
(2 of 3 depend on video, and the other is selectable from Main or
Sub)
1 2005-09-05

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TA8851CNG pdf
TERMINAL FUNCTION
PIN No.
PIN NAME
FUNCTION
2 : VinE2
5 : VinE1
Composite Video
Signal Input
These pins are for composite
video signal input.
The recommendable input
level is 1.0Vp-p.
TA8851BNG,TA8851CNG
INTERFACE CIRCUIT
50 : VinE3
www.DataSheet4U5.c3o: VminE4
Composite Video
Signal / Y Signal
Input
These pins can be used for
composite video signal or Y
signal input.
The recommendable input
level is 1.0Vp-p.
7 : VinS1
13 : VinS2
19 : VinS3
Composite Video
Signal Input and
S-Mode Switch
These pins are for composite
video signal input and S
mode Switch.
By setting DC voltage of one
of these pins lower than
2.6V, that channel (S1, S2 or
S3) turns to S-mode. And
when it is higher than 2.6V,
that pin is for composite
video input.
The recommendable input
level is 1.0Vp-p.
5 2005-09-05

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TA8851CNG arduino
TA8851BNG,TA8851CNG
Y / C output switching (main)
MODE
S-terminal Input
BUS DATA
D17 D16 D15
1
Video Input
Y
Comb1
Comb2
EXCEPT
00
1
0
0
S-terminal Input 1 1
C Video Input
1 0—
Comb
01
Mute
0 0—
* 1: SY1 switches between YinS1~YinS3
* 2: SC1 switches between CinS1~CinS3
OUTPUT SIGNAL
D14 Yout1
Cout1
1 YinS1 to YinS3 (*1)
0 Vout1
1 Yin1
0 VinE3
CinS1 to CinS3 (*2)
— — Vout1
Cin1
— Mute
Mute
Y / C output switching (sub)
www.DataSheet4U.com MODE
S-terminal Input
Video Input
Y
Comb1
Comb2
S-terminal Input
C Video Input
Comb
Mute
BUS DATA
D27 D26 D25
1
EXCEPT
1
0
00
0
11
1 0—
01
0 0—
* 1: SY2 switches between YinS1~YinS3
* 2: SC2 switches between CinS1~CinS3
OUTPUT SIGNAL
D24 Yout2
Cout2
1 YinS1 to YinS3 (*1)
0 Vout2
1 Yin2
0 VinE4
CinS1 to CinS3 (*2)
— — Vout2
Cin2
— Mute
Mute
11 2005-09-05

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