Document
NJM2576
www.DataSheet4U.com
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
sGENERAL DESCRIPTION
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.
sPACKAGE OUTLINE
NJM2576RB1
sFEATURES qOperating Voltage 2.8 to 5.5V qInput Composite Video Signal 0.3Vpp qOperating Current 8.0mA typ. at Vcc=3.0V qOperating Current (Power Save Mode) 70uA typ.at Vcc=3.0V qInternal 75Ω Driver Circuit (2-system drive) qInternal Low Pass Filter qBipolar Technology qPackage Outline TVSP8
sBLOCK DIAGRAM
NC
1
V+
5
16.5dB 75Ω Dri ver Vin 6 NC 8 CLAMP
3
LPF
4
Vout
Vsag
2
7
GND
Power S ave
Ver.1 -1-
NJM2576
www.DataSheet4U.com
s 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
(Ta=25°C) UNIT V mW °C °C
s ELECTRICAL CHARACTERISTICS ( V+=3.0V,RL=150Ω,Ta=25°C) PARAMETER Operating Voltage Operating Current Operating Current at Power Save Maximum Output Voltage Swing Voltage Gain SYMBOL Vopr ICC Isave Vom Gv No Signal Power Save Mode f=1kHz,THD=1% Vin=100kHz, 0.3Vp-p, Input Sine Signal Vin=8MHz/100kHz, 0.3Vp-p 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 Active Non-active TEST CONDITION MIN. 2.8 2.2 16.1 -0.95 1.8 0 TYP. 3.0 8.0 70 2.5 16.5 -0.45 -2.7 -27 0.5 0.5 +60 -60 MAX. 5.5 11.0 90 16.9 0.05 -17 V+ 0.3 % deg dB dB V dB UNIT V mA uA Vp-p dB
Gfy4.5M Vin=4.5MHz/100kHz, 0.3Vp-p Low Pass Filter Characteristic Gfy8M Gfy23.5M Vin=23.5MHz/100kHz, 0.3Vp-p Differential Gain Differential Phase S/N Ratio 2nd. Distortion SW Change Voltage High Level SW Change Voltage Low Level DG DP SNv Hv VthPH VthPL
s CONTROL TERMINAL PARAMETER Power Save STATUS H L OPEN Power Save : OFF Power Save : ON Power Save : ON NOTE
Ver.1 -2-
NJM2576
www.DataSheet4U.com
s EQUIVALENT CIRCUIT (V+=3V)
PIN No.
1 8 2
PIN NAME
NC GND
EQUIVALENT CIRCUIT
DC VOLTAGE
0V
V+
V+
3
Vsag
750Ω 24.6K Ω
0.37
V+
V+
4
Vout
750Ω 24.6KΩ
0.33V
5
V+
V
+
3V
V+
270Ω
270Ω
6
Vin
1.42V
32KΩ
7
PowerSave
0V
48KΩ
Ver.1 -3-
NJM2576
www.DataSheet4U.com
sTEST CIRCUIT
Vin
+
0.1uF
75Ω
8
7
6
V+ 5
10uF
0.1uF
NJM2576
1 2 3 + 22uF 4 + 100uF
75Ω Vout 75Ω
s APPLICATION CIRCUIT
Vin
+
0.1uF
75Ω
8
7
6
V+ 5
10uF
0.1uF
NJM2576
1 2 3 + 33uF 4 + 33uF
75Ω Vout 75Ω
Ver.1 -4-
NJM2576
www.DataSheet4U.com
s TYPICAL CHARACTERISTICS
Voltage Gain vs. Frequency
0.3Vpp sinewave signal input
20 10 0.0 Gain (dB) -10 -20 -30 -40 3 100 10
Operating Current vs. Supply Voltage
12.0 Operationg Current Icc(mA)
10.0
8.0
6.0
4.0
1 10
6
10 10
6
2.0 2.0
3.0
4.0
+
5.0
6.0
+
7.0
8.0
Frequency (Hz)
Supply Voltage V (V)
Operating Current at Standby State Isave(uA)
Operating Current at Standby State vs. Supply Voltage
120.0 100.0 80.0
Vomv [Vpp] 4.0 6.0
V vs Vomv
f=1kHz, THD=1%
5.0
60.0 40.0 20.0 0.0 2.0
3.0
2.0
3.0
4.0
+
5.0
6.0
+
7.0
8.0
1.0 2.0
3.0
4.0
+
5.0 V [V]
+
6.0
7.0
8.0
Supply Voltage V (V)
V vs Gv
18.0 17.5 17.0 Gv [dB] 16.5 16.0 15.5 15.0 2.0
f=100kHz, Vin=0.3Vpp
V vs Gfy4.5M
1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 2.0
f=4.5MHz/100kHz, Vin=0.3Vpp
3.0
4.0
5.0 V [V]
+
6.0
7.0
8.0
Gfy4.5M [dB]
3.0
4.0
5.0 V [V]
+
6.0
7.0
8.0
Ver.1 -5-
NJM2576
www.DataSheet4U.com
V vs Gfy8M
f=8MHz/100kHz, Vin=0.3Vpp
+
V vs Gfy23.5M
f=23.5MHz/100kHz, Vin=0.3Vpp
+
0.0 -2.0
-16.0
-20.0 Gfy [dB]
Gfy8M [dB]
-4.0 -6.0
-24.0
-28.0
-8.0 -10.0 2.0
-32.0
3.0 4.0 5.0 V [V]
+
6.0
7.0
8.0
2.0
3.0
4.0
5.0 V [V]
+
6.0
7.0
8.0
V vs DG
4.0 3.5 3.0 DP [deg] 2.5 DG [%] 2.0 1.5 1.0 0.5 0.0 2.0 3.0 4.0 5.0 V [V]
+
+
V vs DP
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 6.0 7.0 8.0 0.0 2.0 3.0 4.0 5.0 V [V]
+
+
0.3Vpp, 10step video signal input
0.3Vpp, 10step video signal input
6.0
7.0
8.0
Signal to Noise Ratio vs. Supply Voltage
0.3Vpp, 100% white video signal input, 100kHz-6MHz 100
Second Harmonic Distortion vs. Supply Voltage
0.3Vpp, 3.58MHz sinewave signal input -20.0 Second Harmonic Distortion Hv(dB) -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
+
Signal to Noise Ratio SNv(dB)
90 80 70 60 50 40 2.0
3.0
4.0
5.0
6.0
+
7.0
8.0
7.0
8.0
Supply Voltage V (V)
Supply Voltage V (V)
Ver.1
-6-
NJM2576
www.DataSheet4U.com
Temperature vs Vomv
6.0 5.0 4.0 Vomv [Vpp] 3.0 2.0 1.0 0.0
f=1kHz, THD=1%
Operating Current vs. Temperature
12.0 Operationg Current Icc(mA)
10.0
8.0
6.0
4.0
2.0
-40 0 40
o
80
120
-40
0
40
o
80
120
Temperature [ C]
Ambient Temperature Ta( C)
Operating Current at Standby State Isave(uA)
Operating Current at Standby State vs. Temperature
120.0 100.0 80.0 .