MITSMI MM1389XF Datasheet
MITSUMI
Pedestal Clamp 2-Input 1-Output 3-Circuit Video Switch MM1389
Pedestal Clamp 2-Input 1-Output 3-Circuit Video Switch
Monolithic IC MM1389
Outline
This is a video switch IC developed for use in video cameras, with 2-input and 1-output circuits. It has
pedestal clamp input, making it ideal for RGB and video signal switching,
Features
1. Pedestal clamp input
2. Low current consumption 12mA typ.(V
CC5V)
3. Frequency response 10MHz typ. 0dB
4. Operating power supply voltage 4.5~12V
Package
SOP-16B (MM1389XF)
Applications
1. TV
2. VCR
3. Other video equipment
Block Diagram
SW OUT
IN2a
L IN2b
IN2c
IN1a
H IN1b
IN1c
Control input truth table
MITSUMI
Pedestal Clamp 2-Input 1-Output 3-Circuit Video Switch MM1389
Pin Description
Pin no. Pin name Function Internal equivalent circuit diagram
1 IN2a Input pin 2SWa
8 IN2c Input pin 2SWc
9 IN1c Input pin 1SWc
11 IN1b Input pin 1SWb
14 IN2b Input pin 2SWb
16 IN1a Input pin 1SWa
2 C
TLa Switching pin a
7 C
TLb Switching pin b
12 C
TLc Switching pin c
3 OUTa Output pin SWa
5 OUTb Output pin SWb
6 OUTc Output pin SWc
4 GND GND pin 1
15 GND GND pin 2
10 CLAMP PULSE Clamp pulse input pin
13 VCC Power supply voltage pin
MITSUMI
Pedestal Clamp 2-Input 1-Output 3-Circuit Video Switch MM1389
Absolute Maximum Ratings
(Ta=25°C)
Item Symbol Ratings Units
Storage temperature T
STG
-
40~+125 °C
Operating temperature T
OPR
-
25~+75 °C
Power supply voltage V
CC max. 15 V
Allowable loss Pd 350 mW
Recommended Operating Conditions
Item Symbol Ratings Units
Operating temperature T
OPR
-
25~+75 °C
Operating voltage V
OP 4.5~12.0 V
Electrical Characteristics
(Except where noted therwise, Ta=25°C, VCC=5.0V)
Item Symbol Measurement conditions Min. Typ. Max. Units
Consumption current I
D Refer to Measuring Circuit 12.0 17.0 mA
Voltage gain G
V Refer to Measuring Circuit
-
0.5 0 +0.5 dB
Frequency characteristic F
C Refer to Measuring Circuit
-
10+1dB
Dynamic range 1 V
D1 Refer to Measuring Circuit 1.40 1.65 VP-P
Dynamic range 2 VD2 Refer to Measuring Circuit 0.80 0.95 VP
-
P
Crosstalk CT Refer to Measuring Circuit
-
70-60 dB
Switch input voltage H V
IH Refer to Measuring Circuit 2.1 V
Switch input voltage L V
IL Refer to Measuring Circuit 0.7 V
Clamp pin input voltage H V
CTH Refer to Measuring Circuit 2.1 V
Clamp pin input voltage L V
CTL Refer to Measuring Circuit 0.7 V
VD1 : Positive dynamic range (from clamp level)
V
D2 : Negative dynamic range (from clamp level)
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