MITSUMI MM1120

2-Input 2-Output Video Switch MM1120
MITSUMI
2-Input 2-Output Video Switch
Monolithic IC MM1120
Outline
This is a 2-input, 2-output 3-circuit high performance video switch IC for video/audio signal switching. It is
ideal for use in TV/BS switching.
Features
1.
2.
3.
4.
5.
6.
1 video signal circuit, 2 audio signal circuits
1 built-in 75Ω driver circuit
Current consumption
17mA typ.
Operating power supply voltage range
9~12V
Frequency response
10MHz (VOUT1), 7MHz (VOUT2)
Crosstalk
Video signal circuit : 60dB (at 4.43MHz)
Audio signal circuit : 80dB (at 1kHz)
Package
SSOP-16A (MM1120XF)
Applications
1. TV with built-in BS
Block Diagram
Control input truth table
SW1
L
L
H
H
SW2
L
H
L
H
OUT1
IN2
IN2
IN1
IN1
OUT1
IN2
IN2
IN2
IN1
2-Input 2-Output Video Switch MM1120
MITSUMI
Pin Description
Pin no.
1
3
2
9
4
5
6
7
8
10
11
12
13
14
Pin name
Function
VIN
Video input
SW
Switch
GND
Ground
RIN
and
Audio input
LIN
ROUT
and
Audio output
LOUT
VOUT1
Video output 1
Internal equivalent circuit diagram
2-Input 2-Output Video Switch MM1120
MITSUMI
15
VOUT2
Video output 2
16
VCC
Power supply
Absolute Maximum Ratings
(Ta=25°C)
Item
Symbol
Ratings
Units
Storage temperature
TSTG
-40~+125
°C
Operating temperature
TOPR
-20~+75
°C
Power supply voltage
VCC max.
15
V
Allowable loss
Pd
500
mW
Electrical Characteristics
Item
(Except where noted otherwise, Ta=25°C, VCC=8V~13V, V1=0V, V2=0V,
SG-1, SG-2, SG-3, no signal)
Symbol
Measurement
pin
VCC
Measurement conditions
VCC
ICC1
VCC=9V
Consumption current
ICC2
VCC=12V
VIN1-VOUT1 V1=V2=VCC, SW1 : B, VIN2-VOUT1, SW1 : A
Voltage gain
GV1
SG1 : Sine wave 1VP-P, 0.1MHz
TP2
SG1 : Sweep signal 1.0VP-P
Frequency characteristic
FC1
10MHz/0.1MHz
SG1: Staircase wave 1VP-P
Differential gain
DG1
APL=10, 50, 90%
TP8
SG1: Staircase wave 1VP-P
Differential phase
DP1
APL=10, 50, 90%
VIN2-VOUT2 SW1 : A, VIN1-VOUT2 V1=V2=VCC, SW1 : B
SG1 : Sine wave 1VP-P, 0.1MHz
Voltage gain
GV2
TP1
SG1 : Sweep signal 1.0VP-P,
Frequency characteristic
FC2
7MHz/0.1MHz
SG1 : Staircase wave 1VP-P
Differential gain
DG2
APL=10, 50, 90%
TP7
SG1 : Staircase wave 1VP-P
Differential phase
DP2
APL=10, 50, 90%
RIN1-ROUT1 V1=V2=VCC, SW2 : B, RIN2-ROUT1 SW2 : A
SG2 : Sine wave 2.5VP-P, 1kHz
Voltage gain
GV3
Total harmonic distortion
THD1
TP4
SG2 : Sine wave 2.5VP-P, 1kHz
15kHz band
Output noise voltage
VN1
RIN2-ROUT2 SW2 : A, RIN1-ROUT2 V1=V2=VCC, SW2 : B
Voltage gain
GV4
SG2 : Sine wave 2.5VP-P, 1kHz
TP3
SSG2 : Sine wave 2.5VP-P, 1kHz
Total harmonic distortion
THD2
Output noise voltage
VN2
15kHz band
Operating power supply voltage
Min. Typ. Max. Units
8.00
16.0
17.0
13.0
21.0
22.0
V
mA
mA
-0.5
0
0.5
dB
-1.0
0
1.0
dB
0
±3
%
0
±3
deg
5.5
6.0
6.5
dB
-1.0
0
1.0
dB
0
±3
%
0
±3
deg
-0.5
0
0.01
3
0.5
0.1
50
dB
%
µVrms
-0.5
0
0.01
3
0.5
0.1
50
dB
%
µVrms
2-Input 2-Output Video Switch MM1120
MITSUMI
LIN1-LOUT1 V1=V2=VCC, SW3 : B, LIN2-LOUT1 SW3 : A
SG3 : Sine wave 2.5VP-P, 1kHz -0.5
Voltage gain
GV5
TP6
SG3 : Sine wave 2.5VP-P, 1kHz
Total harmonic distortion
THD3
Output noise voltage
VN3
15kHz band
LIN2-LOUT2 SW3 : A, LIN1-LOUT2 V1=V2=VCC, SW3 : B
SG3 : Sine wave 2.5VP-P, 1kHz -0.5
Voltage gain
GV6
Total harmonic distortion
THD4
TP5
SG3 : Sine wave 2.5VP-P, 1kHz
15kHz band
Output noise voltage
VN4
Output offset voltage
VOUT1
Voff1
TP2
DC level difference when V1=0V and V1=Vcc
VOUT2
Voff2
TP1
DC level difference when V2=0V and V2=Vcc
Voff3
TP4
DC level difference when V1=0V and V1=Vcc
ROUT1
Voff4
TP3
DC level difference when V2=0V and V2=Vcc
ROUT2
LOUT1
Voff5
TP6
DC level difference when V1=0V and V1=Vcc
Voff6
TP5
DC level difference when V2=0V and V2=Vcc
LOUT2
Input impedance
Ri1
VIN1 and VIN2
VIN
Ri2
RIN1 and RIN2
RIN
LIN
Ri3
LIN1 and LIN2
Output impedance
Ro1
VOUT1
ROUT
Ro2
ROUT1 and ROUT2
LOUT
R03
LOUT2 and LOUT2
Crosstalk 1
SG1 : Sine wave 1VP-P, 4.43MHz
1 V1=VH, V2=VL, SW1 : B
CT1
TP7
2 V1=V2=VH, SW1 : A
VIN VOUT
SG1 : Sine wave 1VP-P, 4.43MHz
1 V1=VL, V2=VH, SW1 : B
CT2
TP2
2 V1=VH, V2=VL, SW1 : A
SG2 : Sine wave 2.5VP-P, 1kHz
1 V1=VH, V2=VL, SW2 : B
CT3
TP3
2 V1=V2=VH, SW2 : A
RIN ROUT
SG2 : Sine wave 2.5VP-P, 1kHz
1 V1=VL, V2=VH, SW2 : B
CT4
TP4
2 V1=VH, V2=VL, SW2 : A
SG3 : Sine wave 2.5VP-P, 1kHz
1 V1=VH, V2=VL, SW3 : B
TP5
CT5
2 V1=V2=VH, SW3 : A
LIN LOUT
SG3 : Sine wave 2.5VP-P, 1kHz
1 V1=VL, V2=VH, SW3 : B
CT6
TP6
2 V1=VH, V2=VL, SW3 : A
SG1 : Sine wave 1VP-P, 4.43MHz
VIN1 ROUT2
CT7
TP3
1 V1=VH, V2=VL, SW1 : B
Switch input voltage
Switch input voltage H
VIH
IC internal switch H level
2.1
Switch input voltage L
VIL
IC internal switch L level
0
0.01
3
0.5
0.1
50
dB
%
µVrms
0
0.01
3
0.5
0.1
50
dB
%
µVrms
0
0
0
0
0
0
±15
±30
±15
±15
±15
±15
mV
mV
mV
mV
mV
mV
15
68
68
kΩ
kΩ
kΩ
50
100
100
Ω
Ω
Ω
*
Crosstalk
*V1=2.1V,
V =0.7V
H
L
CT is obtained by the following formula given input signal is VIN and output signal is VOUT
VOUT
CT=20log
[dB]
VIN
-60
-50
dB
-60
-50
dB
-80
-70
dB
-80
-70
dB
-80
-70
dB
-80
-70
dB
-55
-45
dB
0.7
V
V
MITSUMI
Measuring Circuit
2-Input 2-Output Video Switch MM1120