NJM2262
2 - INPUT VIDEO SUPERIMPOSER
■
GENERAL DESCRIPTION
NJM2262
is a 2input video superimposer, inculuding video switch
circuit that consist of four Y signal circuit and one C signal circuit.
Its impose voltage is set up white level and black level but You can
fix its impose voltage.
■
PACKAGE OUTLINE
■
FEATURES
●
Operating Voltage (4.5V to 5.5V)
●
Low Operating Current : 5V movement (I
CC
= 8mA)
●
Internal Video SW
●
Internal Clamp circuit and Bias circuit
●
Impose voltage is step up white level and black level but you
can fix is impose voltage.
●
Package Outline DMP16
●
Bipolar Technology
NJM2262M
■
APPLICATION
●
VTR Camera, VTR, TV etc.
■
BLOCK DIAGRAM
NJM2262M
Ver.2004-02-17
-1-
NJM2262
■
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
+
(T
a
= 25°C)
RATINGS
+7
300
-20 to +75
-40 to +125
UNIT
V
mW
°C
°C
P
D
T
opr
T
stg
■
ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Current
Y Voltage Gain
C Voltage Gain
Y Frequency Characteristics
C Frequency Characteristics
Differential Gain
Differential Phase
Output Offset Voltage
Y Cross-Talk
C-Y Cross-Talk
Y-C Cross-Talk
Input Impedance 1
Input Impedance 2
Output Inpedance
Chalact-LEVEL 1
Chalact-LEVEL 2
Y Gate Level
C Gate Level
Threshold Voltage 1
Threshold Voltage 2
Threshold Voltage 3
Threshold Voltage 4
Threshold Voltage 5
Threshold Voltage 6
Threshold Voltage 7
SYMBOL
I
CC
G
vy
G
ve
G
fy
G
fe
DG
DP
V
OS
CTy
CT
cy
CT
yc
R
i1
R
i2
R
O
V
M1
V
M2
V
gy
V
GC
V
th1
V
th2
V
th3
V
th4
V
th5
V
th6
V
th7
From Clamp Level
From Bias Level
SW1 (ON LEVEL)
(OFF LEVEL)
SW2 (ON LEVEL)
(OFF LEVEL)
SW3 (ON LEVEL)
(OFF LEVEL)
SW4 (ON LEVEL)
(OFF LEVEL)
SW5 (ON LEVEL)
(OFF LEVEL)
SW6 (ON LEVEL)
(OFF LEVEL)
SW7 (ON LEVEL)
(OFF LEVEL)
(note 1) Next two cross-talk (One side 0Ω termination)
1
2
○
V
in1
→V
in2
○
V
in2
→V
in1
(note 2) Next two cross-talk (One side 0Ω termination)
1
2
○
C
in
→V
in1
○
C
in
→V
in2
(note 2) Next two cross-talk (One side 0Ω termination)
1
V
in2
→C
in
○
V
in1
→C
in
(note 4) White Level
(note 5) Black Level
4.43MHz Vo /Vi
4.43MHz Vo /Vi
4.43MHz Vo /Vi
V
in1
, V
in2
C
in
,
No signal
1MHz, 1V
P-P
Sine Wave
1MHz, 1V
P-P
Sine Wave
V
O
(7MHz) / V
O
(1MHz)
V
O
(7MHz) / V
O
(1MHz)
Stea Step
Stea Step
TEST CONDITION
-
(V
+
= 5V, V
in
= 1V, T
a
= 25°C)
MIN.
-0.7
-0.8
-1.0
-1.0
-
-
-15.0
-
-
-
10.0
-
-
607
607
0
-10.0
2.5
-
2.5
-
3.0
-
3.0
-
2.5
-
2.5
-
2.5
-
TYP.
8.0
-0.2
-0.3
0
0
-
-
0
-60.0
-60.0
-60.0
-
15.0
20.0
643
643
35.7
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
12.0
+0.3
+0.2
+1.0
+1.0
3.0
3.0
+15.0
-50.0
-50.0
-50.0
-
-
-
679
679
71.4
10.0
-
0.8
-
0.8
-
1.0
-
1.0
-
0.8
-
0.8
-
0.8
UNIT
mA
dB
dB
dB
dB
%
deg
mV
dB
dB
dB
kΩ
kΩ
ΩV
mV
mV
mV
mV
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-2-
Ver.2004-02-17
NJM2262
■
TEST CIRCUIT
Ver.2004-02-17
-3-
NJM2262
■
TERMINAL FUNCTION
PIN NO.
1
PIN NAME
Charact-Level 2
FUNCTION
Input terminal of the DC Voltage or
the signal in the super imposing
condition.
In opening condition, presetted in
voltage level of 90IRE (White
Level) at 1V
P-P
video signal.
EQUIVALENT CIRCUIT
2
V
OUT
Output terminal of Y signal
3
GND
GND
4
C
IN
Input terminal (Bias Input)
of gate switch for C signal.
5
Chroma-SW
Control Terminal of C-SW.
L
O
H
i
Signal Output
Bias Voltage Output
-4-
Ver.2004-02-17
NJM2262
■
TERMINAL FUNCTION
PIN NO.
6
C
OUT
PIN NAME
FUNCTION
Output terminal of C-SW.
EQUIVALENT CIRCUIT
7
SW3
ON / OFF control terminal of
character signal inputted from 9
pin
L
O
Character Signal Through
H
i
Character Signal OFF
8
Charact-IN 2
Terminal to input character
signal for super impose.
9
Charact-IN 1
Terminal to input character
signal for super impose.
10
V
CC
V
CC
= 5V
Ver.2004-02-17
-5-
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