MITSUMI
AV Switch for I
2
C BUS Control, 4-input, 3-output and Canal Plus Compatible MM1422, 1423, 1442, 1443
AV Switch for I
2
C BUS Control, 4-input, 3-output
and Canal Plus Compatible
Monolithic IC MM1422, 1423, 1442, 1443
Outline
These ICs are four-input, three-output AV switches under I
2
C BUS control with Canal Plus support, intended
for use in VCRs and DVD for the European market. There are four models, described below. Audio
subsystems are either stereo or monaural; video subsystems either do or do not have a clamping circuit.
Features
1. I
2
C BUS serial control.
2. Internal two-output 75鈩ideo driver, internal two-output 600鈩?audio driver.
3. Audio mute function through an external pin.
4. Operating power supply voltage
11 to 13 V
5. Models both with and without video subsystem clamp.
6. Models with monaural and stereo audio subsystems.
Package
SSOP-34A (MM1443XJ)
SDIP-32A (MM1443XD)
Applications
(1)VCRs with Canal Plus Support for the European Market.
(2)DVD
Series Table
Video input
clamp
MM1422
MM1423
MM1442
MM1443
Stereo
Monaural
Package
SDIP-32A SSOP-34A