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PDF M52795 Data sheet ( Hoja de datos )
| Número de pieza | M52795 | |
| Descripción | AV SWITCH with I2C BUS CONTROL | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M52795 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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PRELIMINARY
Notice. This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI ICs (AV COMMON)
M52795SP/FP
AV SWITCH with I2C BUS CONTROL
DESCRIPTION
The M52795 is AV switch semiconductor integrated circuit with
I2C bus control .
This IC contains 2-channels of 4-input audio switches and 2-
channels of 4-input video switches. Each channel can be
controled independently .
The video switches contain amplifiers can be controled a gain of
output 0dB or 6dB .
FEATURES
•Video and stereo sound switches in one package
•Wide frequency range ( video switch )...........DC~20MHz
•High separation ( video switch )
..................Crosstalk -60dB ( typ. ) at 1MHz
•Two types of packages are provided : SDIP with a lead pitch of
1.778mm ( M52795SP ) ; and SOP with a lead pitch of 1.27mm
( M52795FP ) .
PIN CONFIGURATION ( TOP VIEW )
VCC 1
Lch 2 IN 2
VIDEO 2 IN 3
Rch 2 IN 4
Lch 3 IN 5
VIDEO 3 IN 6
Rch 3 IN 7
Lch 4 IN 8
VIDEO 4 IN 9
Rch 4 IN 10
SCL 11
SDA 12
DC 13
DD 14
28 D5
27 D4
26 Lch T IN
25 TUNER IN
24 Rch T IN
23 Lch 1 OUT
22 V 1 OUT
21 Rch 1 OUT
20 Lch 2 OUT
19 V 2 OUT
18 Rch 2 OUT
17 BIAS
16 CHIP SELECT
15 GND
APPLICATION
Outline 28P4B
(Lead pitch :1.778mm)
Video equipment
RECOMMENDED OPERATING CONDITION
PIN CONFIGURATION ( TOP VIEW )
Supply voltage
4.7V~9.3V
Rated supply voltage
5V,9V
Maximum output current 32mA(at 9V)
VCC 1
Lch 2 IN 2
VIDEO 2 IN 3
Rch 2 IN 4
Lch 3 IN 5
VIDEO 3 IN 6
Rch 3 IN 7
Lch 4 IN 8
VIDEO 4 IN 9
Rch 4 IN 10
SCL 11
SDA 12
DC 13
DD 14
28 D5
27 D4
26 Lch T IN
25 TUNER IN
24 Rch T IN
23 Lch 1 OUT
22 V 1 OUT
21 Rch 1 OUT
20 Lch 2 OUT
19 V 2 OUT
18 Rch 2 OUT
17 BIAS
16 CHIP SELECT
15 GND
Outline 28P2W-A
(Lead pitch :1.27mm)
MITSUBISHI
1-9
AUG.'98
1 page  
PRELIMINARY
Notice. This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI ICs (AV COMMON)
M52795SP/FP
AV SWITCH with I2C BUS CONTROL
I2 C BUS
I 2C BUS(Inter IC BUS)is multi master bus system developed by PHILIPS . Two wires ( SDA - serial data,
SCL - serial clock ) realize functions of start , stop , transferring data , synchronization and arbitration. The
output stages of device connected to the bus must have an open drain or open collector in order to perform the
wired-AND function .
SDA
SCL
MSB
A
LSB MSB
A
LSB
S
12345678912
9
S ; Start condition, a high to low transition of the SDA line while SCL is high
P ; Stop condition, a low to high transition of the SDA line while SCL is high
A ; Acknownledge
P
Every byte put on the SDA line must be 8-bits long . Each byte has to be followed by an acknowledge bit. Data
is transferred with the most significant bit (MSB ) first . The data on the SDA line must be stable during the
HIGH period of the clock . The HIGH or LOW state of the data line can only change when the clock signal on
the SCL line is LOW .
CONTROL
This IC controls 2-channel switchs with 2-byte data ( DATA1 and DATA2 ) . SW1 is controled by
DATA1 ,
SW2 is controled by DATA2 .
S SLAVE ADDRESS A DATA1 A DATA2 A P
S : Start
A : Acknowledge
P : Stop
SLAVE ADDRESS
1 0 0 1 0 0X 0
R/W bit
Usually ` 0 ` ( W : Master transmitter transmits to slave
receiver )
Possible to select
16PIN Hi:1,Lo:0
MITSUBISHI
5-9
AUG.'98
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet M52795.PDF ] | |
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