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)