Document
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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 2channels 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 .
PIN CONFIGURATION ( TOP VIEW )
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 ) .
VCC Lch 2 IN VIDEO 2 IN Rch 2 IN Lch 3 IN VIDEO 3 IN Rch 3 IN Lch 4 IN VIDEO 4 IN Rch 4 IN SCL SDA DC DD
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
D5 D4 Lch T IN TUNER IN Rch T IN Lch 1 OUT V 1 OUT Rch 1 OUT Lch 2 OUT V 2 OUT Rch 2 OUT BIAS CHIP SELECT GND
APPLICATION
Video equipment
Outline 28P4B (Lead pitch :1.778mm)
PIN CONFIGURATION ( TOP VIEW ) RECOMMENDED OPERATING CONDITION
Supply voltage Rated supply voltage Maximum output current 4.7V~9.3V 5V,9V 32mA(at 9V)
VCC Lch 2 IN VIDEO 2 IN Rch 2 IN Lch 3 IN VIDEO 3 IN Rch 3 IN Lch 4 IN VIDEO 4 IN Rch 4 IN SCL SDA DC DD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15
D5 D4 Lch T IN TUNER IN Rch T IN Lch 1 OUT V 1 OUT Rch 1 OUT Lch 2 OUT V 2 OUT Rch 2 OUT BIAS CHIP SELECT GND
Outline 28P2W-A (Lead pitch :1.27mm)
MITSUBISHI
1-9
AUG.'98
www.DataSheet4U.com
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
BLOCK DIAGRAM
VCC
TUNER IN VIDEO 2 IN VIDEO 3 IN VIDEO 4 IN
1 25 3 6 9
V-SW1
0/6dB
22
V 1 OUT
0/6dB
19
V-SW2
V 2 OUT
Rch T IN Rch 2 IN Rch 3 IN Rch 4 IN
24 4 7 10
R-MODE2 R-SW1 R-MODE1
R M L
0dB
21
Rch 1 OUT
R-SW2
Lch T IN Lch 2 IN Lch 3 IN Lch 4 IN
R M L
L-MODE1
0dB
18
Rch 2 OUT
26 2 7 5 8
L-MODE2 L-SW1
L M R
0dB
23
Lch 1 OUT
L-SW2
L M R
0dB
20 12 11
Lch 2 OUT SDA SCL
BIAS 17
BIAS
15 GND 13
I C Control
14 27 28 16 CHIP SELECT
2
DC
DD
D4
D5
MITSUBISHI
2-9
AUG.'98
www.DataSheet4U.com
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 OF PIN
Pin No.
1 2 4 5 7 8 10 24 26 3 6 9 25
Name
VCC Lch 2 IN Rch 2 IN Lch 3 IN Rch 3 IN Lch 4 IN Rch 4 IN Rch T IN Lch T IN VIDEO 2 IN VIDEO 3 IN VIDEO 4 IN TUNER IN
Peripheral circuit pins
DC voltage(V)
9V 4.7V
Remarks
5~9V
30K
3.6V
Clamp in
11
SCL
VIL max.=1.5V VIH min.=3.0V
12
SDA
VIL max.=1.5V VIH min.=3.0V VOL max.=0.