NJRC NJM2576

NJM2576
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
■GENERAL DESCRIPTION
■PACKAGE OUTLINE
The NJM2576 is a Low Voltage Video Amplifier contained LPF circuit.
The NJM2576 is corresponding to composite video signal input with
LPF circuit. 75Ω drivers for direct connecting TV monitor.
The NJM2576 features low power and small package, and is suitable
for low power design on downsizing of DSC and DVC.
NJM2576RB1
■FEATURES
●Operating Voltage
2.8 to 5.5V
●Input Composite Video Signal 0.3Vpp
●Operating Current
8.0mA typ. at Vcc=3.0V
●Operating Current (Power Save Mode) 70uA typ.at Vcc=3.0V
●Internal 75Ω Driver Circuit (2-system drive)
●Internal Low Pass Filter
●Bipolar Technology
●Package Outline
TVSP8
■BLOCK DIAGRAM
NC
V+
1
5
16.5dB 75ΩDri ver
Vin 6
NC 8
LPF
4
Vout
3
Vsag
CLAMP
2
7
GND
Power S ave
Ver.1
-1-
NJM2576
(Ta=25°C)
■ ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V+
PD
Topr
Tstg
RATINGS
7.0
320
-40 to +85
-40 to +125
UNIT
V
mW
°C
°C
■ ELECTRICAL CHARACTERISTICS ( V+=3.0V,RL=150Ω,Ta=25°C)
PARAMETER
SYMBOL
Operating Voltage
Vopr
Operating Current
ICC
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
2.8
3.0
5.5
V
No Signal
-
8.0
11.0
mA
-
70
90
uA
Operating Current at Power Save
Isave
Power Save Mode
Maximum Output Voltage Swing
Vom
f=1kHz,THD=1%
2.2
2.5
-
Vp-p
Vin=100kHz, 0.3Vp-p,
Input Sine Signal
16.1
16.5
16.9
dB
-0.95
-0.45
0.05
-
-2.7
-
-
-27
-17
-
0.5
-
%
-
0.5
-
deg
-
+60
-
dB
-
-60
-
dB
1.8
-
V+
0
-
0.3
Voltage Gain
Gv
Gfy4.5M Vin=4.5MHz/100kHz, 0.3Vp-p
Low Pass Filter Characteristic
Gfy8M
Vin=8MHz/100kHz, 0.3Vp-p
Gfy23.5M Vin=23.5MHz/100kHz, 0.3Vp-p
Differential Gain
DG
Differential Phase
DP
S/N Ratio
SNv
2nd. Distortion
Hv
Vin=0.3Vp-p,
Input 10step Video Signal
Vin=0.3Vp-p,
Input 10step Video Signal
Vin=0.3Vp-p, 100k to 6MHz
100% White Video Signal, RL=75Ω
Vin=0.3Vp-p, 3.58MHz,
Sine Video Signal, RL=75Ω
SW Change Voltage High Level
VthPH
Active
SW Change Voltage Low Level
VthPL
Non-active
dB
V
■ CONTROL TERMINAL
PARAMETER
Power Save
STATUS
H
L
OPEN
NOTE
Power Save : OFF
Power Save : ON
Power Save : ON
Ver.1
-2-
NJM2576
■ EQUIVALENT CIRCUIT (V+=3V)
PIN No.
1
8
2
PIN NAME
EQUIVALENT CIRCUIT
NC
-
GND
0V
V+
3
DC VOLTAGE
V+
Vsag
0.37
750Ω 24.6KΩ
V+
4
V+
0.33V
Vout
750Ω 24.6KΩ
5
V+
3V
V
V+
+
270Ω
6
Vin
7
PowerSave
270Ω
1.42V
32KΩ
0V
48KΩ
Ver.1
-3-
NJM2576
■TEST CIRCUIT
Vin
0.1uF
+
8
7
75Ω
V+
5
6
10uF
0.1uF
NJM2576
1
2
3
4
+
22uF
+
100uF
75Ω
Vout
75Ω
■ APPLICATION CIRCUIT
Vin
0.1uF
+
8
7
6
75Ω
V+
5
10uF
0.1uF
NJM2576
1
2
3
+
33uF
4
+
33uF
75Ω
Vout
75Ω
Ver.1
-4-
NJM2576
■ TYPICAL CHARACTERISTICS
Voltage Gain vs. Frequency
Operating Current vs. Supply Voltage
0.3Vpp sinewave signal input
12.0
20
Operationg Current Icc(mA)
10
Gain (dB)
0.0
-10
-20
-30
-40
3
100 10
1 10
6
10 10
10.0
8.0
6.0
4.0
2.0
2.0
6
3.0
5.0
7.0
8.0
7.0
8.0
7.0
8.0
Supply Voltage V (V)
+
V vs Vomv
Operating Current at Standby State
vs. Supply Voltage
120.0
f=1kHz, THD=1%
6.0
100.0
5.0
Vomv [Vpp]
80.0
60.0
40.0
3.0
2.0
20.0
0.0
2.0
4.0
3.0
4.0
5.0
6.0
7.0
1.0
2.0
8.0
3.0
4.0
5.0
+
V [V]
+
+
V vs Gv
V vs Gfy4.5M
f=100kHz, Vin=0.3Vpp
18.0
f=4.5MHz/100kHz, Vin=0.3Vpp
1.0
0.5
17.0
0.0
Gfy4.5M [dB]
17.5
16.5
16.0
15.5
15.0
2.0
6.0
+
Supply Voltage V (V)
Gv [dB]
6.0
+
Frequency (Hz)
Operating Current at Standby State Isave(uA)
4.0
-0.5
-1.0
-1.5
3.0
4.0
5.0
+
V [V]
6.0
7.0
8.0
-2.0
2.0
3.0
4.0
5.0
+
V [V]
6.0
Ver.1
-5-
NJM2576
+
+
V vs Gfy8M
V vs Gfy23.5M
f=23.5MHz/100kHz, Vin=0.3Vpp
f=8MHz/100kHz, Vin=0.3Vpp
-16.0
0.0
-20.0
Gfy [dB]
Gfy8M [dB]
-2.0
-4.0
-24.0
-6.0
-28.0
-8.0
-10.0
2.0
-32.0
3.0
4.0
5.0
6.0
7.0
2.0
8.0
3.0
4.0
+
+
3.5
3.0
3.0
2.5
2.5
DP [deg]
DG [%]
4.0
3.5
2.0
1.5
1.5
1.0
0.5
0.5
5.0
6.0
7.0
0.0
2.0
8.0
0.3Vpp, 10step video signal input
2.0
1.0
4.0
3.0
4.0
+
80
70
60
50
6.0
+
Supply Voltage V (V)
-6-
8.0
0.3Vpp, 3.58MHz sinewave signal input
-20.0
Second Harmonic Distortion Hv(dB)
Signal to Noise Ratio SNv(dB)
90
5.0
7.0
Second Harmonic Distortion vs. Supply Voltage
0.3Vpp, 100% white video signal input, 100kHz-6MHz
100
4.0
6.0
V [V]
Signal to Noise Ratio vs. Supply Voltage
3.0
5.0
+
V [V]
40
2.0
8.0
V vs DP
0.3Vpp, 10step video signal input
3.0
7.0
+
V vs DG
0.0
2.0
6.0
V [V]
V [V]
4.0
5.0
+
7.0
8.0
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
-90.0
-100.0
2.0
3.0
4.0
5.0
6.0
+
Supply Voltage V (V)
7.0
8.0
Ver.1
NJM2576
Operating Current vs. Temperature
Temperature vs Vomv
f=1kHz, THD=1%
6.0
12.0
Operationg Current Icc(mA)
5.0
Vomv [Vpp]
4.0
3.0
2.0
1.0
0.0
10.0
8.0
6.0
4.0
2.0
-40
0
40
80
120
-40
120.0
18.0
100.0
17.5
80.0
17.0
60.0
16.0
20.0
15.5
40
80
15.0
120
f=100kHz, Vin=0.3Vpp
16.5
40.0
-40
o
Ambient Temperature Ta( C)
0
40
80
120
o
Temperature [ C]
Temperature vs Gfy8M
Temperature vs Gfy4.5M
f=8MHz/100kHz, Vin=0.3Vpp
f=4.5MHz/100kHz, Vin=0.3Vpp
1.0
120
Temperature vs Gv
Gv [dB]
Operating Current at Standby State Isave(uA)
Operating Current at Standby State
vs. Temperature
0
80
Ambient Temperature Ta( C)
o
-40
40
o
Temperature [ C]
0.0
0
0.0
0.5
0.0
Gfy8M [dB]
Gfy4.5M [dB]
-2.0
-0.5
-1.0
-6.0
-8.0
-1.5
-2.0
-4.0
-40
0
40
80
o
Temperature [ C]
120
-10.0
-40
0
40
80
o
Temperature [ C]
120
Ver.1
-7-
NJM2576
Temperature vs Gfy23.5M
Temperature vs DG
f=23.5MHz/100kHz, Vin=0.3Vpp
0.3Vpp, 10step video signal input
4.0
-16.0
3.5
3.0
Gfy23.5M [dB]
-20.0
DG [%]
2.5
-24.0
2.0
1.5
-28.0
1.0
0.5
-32.0
-40
0
40
80
0.0
120
-40
o
Signal to Noise Ratio vs. Temperature
Signal to Noise Ratio SNv(dB)
3.5
3.0
DP [deg]
2.5
2.0
1.5
1.0
0.5
0
120
0.3Vpp, 100% white video signal input, 100kHz-6MHz
100
0.3Vpp, 10step video signal input
-40
80
Temperature [ C]
Temperature vs DP
0.0
40
o
Temperature [ C]
4.0
0
40
80
120
90
80
70
60
50
40
-40
0
40
80
120
o
o
Ambient Temperature Ta( C)
Temperature [ C]
Second Harmonic Distortion vs. Temperature
0.3Vpp, 3.58MHz sinewave signal input
Second Harmonic Distortion Hv(dB)
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
-90.0
-100.0
-40
0
40
80
120
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
o
Ambient Temperature Ta( C)
-8-
Ver.1