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MITSUMI
Video Amplifier MM1041
Video Amplifier
Monolithic IC MM1041
Outline
This IC is a 6dB video amplifier for chroma signal amplification. The gain is fixed at 6dB, and it is used in 75Ω
output circuits.
Features
1. Chroma signal amplification
2. Fixed 6dB gain
3. Built-in 75Ω driver
4. Frequency response 7MHz
5. Current consumption 4mA typ.
6. Power supply voltage 5V
Package
MMP-4A (MM1041XM)
SIP-5A (MM1041XS)
Applications
1. TV
2. Free-standing VCR
3. VCR with camera
4. Other video equipment
Block Diagram
MMP-4A
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MITSUMI
12
43
MMP-4A
SIP-5A
Video Amplifier MM1041
Pin Description
Absolute Maximum Ratings
Item Symbol Ratings Units
Storage temperature T
Operating temperature T
Power supply voltage V
Allowable loss P
(Ta=25°C)
Pin no.
Pin name
MMP-4A SIP-5A
1 1 Output
25V
CC
3 4 Input
4 2 GND
STG
OPR
CC max. 7 V
D 200 mW
-
40~+125 °C
-
20~+75 °C
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MITSUMI
Video Amplifier MM1041
Electrical Characteristics
(Except where noted otherwise, Ta=25°C, VCC=5.0V)
Measurement
Item
Symbol
Measurement conditions Min. Typ. Max. Units
circuit
Operating power supply voltage
Consumption current I
Voltage gain G
Frequency characteristic f
Input impedance Z
VCC VCC 4.7 5.0 5.3 V
d VCC 4.0 7.0 mA
V TP2 SI Sine wave, 0.9VP-P, 0.1MHz 5.5 6.0 6.5 dB
C1 TP2
I TP1 10 kΩ
SI Sine wave, 0.9V
Note : Frequency response fc
Given video output for 0.9V
f
C1 is obtained as follows.
f
C1=20LOG dB
V2
V1
P-P, 0.1MHz sweep signal input as V1, and output for 7MHz input as V2,
Measuring Circuit
MM1041XM MM1041XS
P-P
, 7MHz/0.1MHz *-
10 1dB
Equivalent Circuit Diagram
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