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NJM2575
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
sGENERAL DESCRIPTION The NJM2575 is a Low Voltage Video Amplifier contained LPF circuit, 75 driver to connect TV monitor directly. The mute circuit with power save function is suitable for low power design. The NJM2575 is suitable for down NJM2575F1 sPACKAGE OUTLINE
sFEATURES qOperating Voltage 2.8 to 5.5V qInput Composite Video Signal 1.0Vpp qInternal Low Pass Filter qOperating Current 7.0mA typ. at Vcc=3.0V qOperating Current Power Save Mode 60uA typ.at Vcc=3.0V qBipolar Technology qPackage Outline MTP6
sBLOCK DIAGRAM V+ 6
6dB Vin 4 CLAMP LPF
75 Driver 2 3 Vout Vsag
5 GND
1 Power Save
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NJM2575
sABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V+ PD Topr Tstg RATINGS 7.0 200 -40 to +85 -40 to +125 (Ta=25C) UNIT V mW C C
sELECTRICAL CHARACTERISTICS ( V+=3.0V,RL=150,Ta=25C) PARAMETER Operating Voltage Operating Current Operating Current at Power Save Maximum Output Voltage Swing Voltage Gain Low Pass Filter Characteristic SYMBOL Vopr ICC Isave Vom Gv No Signal Power Save Mode f=1kHz,THD=1% TEST CONDITION MIN. 2.8 2.2 6.1 -0.5 1.8 0 TYP. 3.0 7.0 60 2.4 6.5 0.0 -2.0 -12.0 0.2 0.2 +60 -40 MAX. 5.5 10.0 90 6.9 +0.5 V+ 0.3 % deg dB dB V dB UNIT V mA uA Vp-p dB
Vin=100kHz,1.0Vp-p, Input Sine Signal Gfy4.5M Vin=4.5MHz/100kHz,1.0Vp-p Gfy8M Vin=8MHz/100kHz,1.0Vp-p Gfy16M Vin=16MHz/100kHz,1.0Vp-p Vin=1.0Vp-p, DG Input 10step Video Signal Vin=1.0Vp-p, DP Input 10step Video Signal Vin=1.0Vp-p, SNv 100% White Video Signal, RL=75 Vin=1.0Vp-p,3.58MHz, Hv Sine Video Signal, RL=75 VthPH active VthPL non-active
Differential Gain Differential Phase S/N Ratio 2nd. Distortion SW Change Voltage High Level SW Change Voltage Low Level
sCONTROL TERMINAL PARAMETER Power Save STATUS H L OPEN Power Save : OFF Power Save : ON Power Save : ON NOTE
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NJM2575
sTEST CIRCUIT
75
50 open input 0.1uF
0.1uF 10uF + 6 V+ 5 GND
4 Vin
NJM2575
Power Save 1 + Vout 2 100uF + Vsag 3 22uF output 75 open 75
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NJM2575
sAPPLICATION CIRCUIT
input
V+ 0.1uF 10uF + 6 V+ 5 GND 75
0.1uF 4 Vin
NJM2575
Power Save 1 + Vout 2 33uF + Vsag 3 33uF
75
output
V+ 0.1uF 10uF + 6 V+ 5 GND 75
input
0.1uF 4 Vin
NJM2575
Power Save 1 + Vout 2 100uF + Vsag 3 33uF
75
75
output2
output1
75 2System Drive
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NJM2575
sTERMINAL FUNCTION PIN No. PIN NAME
DC VOLTAGE
Power save
EQUIVALENT CIRCUIT
1
Power save
32K 48K
-
V+
V+
2
Vout
0.26V
Vout 750 25.3K
V+
V+
3
Vsag
-
Vsag 750 25.3K
V+
V+
V+
4
Vin
1.10V
Vin
5 6
GND V+
3V
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NJM2575
sTYPICAL CHARACTERISTICS
Frequency Characteristic
10
0.0
Gain (dB)
-10
-20
-30
-40 105
106
107 Frequency (Hz)
108
Operating Current vs. Supply Voltage
12
Operating Current at Standby State vs. Supply Voltage
120 Operating Current at Standby State Isave(uA)
10 Operating Current Icc(mA)
100
80
8
60
6
40
4
20
2 2 3 4 5 Supply Voltage V (V)
+
6
7
8
0 2 3 4 5
+
6
7
8
Supply Voltage V (V)
Maximum Output Voltage Swing vs. Supply Voltage
6 Maximum Output Voltage Swing Vom(Vpp)
Voltage Gain vs. Supply Voltage
8
5
7.5
Voltage Gain Gv(dB)
4
7
3
6.5
2
6
1
5.5
0 2 3 4 5
+
5
6 7 8
2
3
4
5
+
6
7
8
Supply Voltage V (V)
Supply Voltage V (V)
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NJM2575
sTYPICAL CHARACTERISTICS
1.5
Low Pass Filter Characteristic1 vs. Supply Voltage (Vin=4.5MHz/100kHz)
2
Low Pass Filter Characteristic2 vs. Supply Voltage (Vin=8MHz/100kHz)
LPF Characteristic1 Gfy4.5M(dB)
1 LPF Characteristic2 Gfy8M(dB)
1
0.5
0
0
-1
-0.5
-2
-1 2 3 4 5
+
-3 6 7 8 2 3 4 5
+
6
7
8
Supply Voltage V (V)
Supply Voltage V (V)
Low Pass Filter Characteristic3 vs. Supply Voltage (Vin=16MHz/100kHz)
-5
Differential Gain vs. Supply Voltage
2
LPF Characteristic3 Gfy16M(dB)
Differential Gain DG(%)
-10
1.5
-15
1
-20
0.5
-25 2 3 4 5
+
0
6 7 8
2
3
4
5
+
6
7
8
Supply Voltage V (V)
Supply Voltage V (V)
Differential Phase vs. Supply Voltage
2
90 85 Signal to Noise Ratio SNv(dB)
Signal to Noise Ratio vs. Supply Voltage
Differential Phase DP(deg)
1.5
80 75 70 65 60 55
1
0.5
0 2 3 4 5
+
50
6
7
8
2
3
4
5
+
6
7
8
Supply Voltage V (V)
Supply Voltage V (V)
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NJM2575
sTYPICAL CHARACTERISTICS
Second Harmonic Distortion vs. Supply Voltage
-20
Switching Voltage vs. Supply Voltage
1.4 VthPH VthPL
Second Harmonic Distortion Hv(dB)
-30
1.3 Switching Voltage Vth(V)
-40
1.2
-50
1.1
-60
1
-70
0.9
-80 2 3 4 5
+
0.8
6 7 8
2
3
4
5
+
6
7
8
Supply Voltage V (V)
Supply Voltage V (V)
Operating Current vs. Temperature
10
Operating Current at Standby State Isave(uA) 40
Operating Current at Standby State vs. Temperature
9 Operationg Current Icc(mA)
35
8
30
7
25
6
5 -50 0 50
o
20
100
-50
0
50
o
100
Ambient Temperature Ta ( C)
Ambient Temperature Ta ( C)
Maximum Output Voltage Swing vs. Temperature
4 Maximum Output Voltage Swing Vom(Vpp) 3.5 7.5 3 Voltage Gain Gv(dB) 2.5 2 1.5 1 0.5 0 -50 0 50
o
Voltage Gain vs. Temperature
8
7
6.5
6
5.5
100
5 -50 0 50
o
100
Ambient Temperature Ta ( C)
Ambient Temperature Ta( C)
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NJM2575
sTYPICAL CHARACTERISTICS
Low Pass Filter Characteristic 1 vs. Temperature (Vin=4.5MHz/100kHz)
2 1.5 LPF Characteristic 1 Gfy4.5M(dB) 1 0.5 0 -0.5 -1 -1.5 -2 -50 0 50 100 Ambient Temperature Ta(oC) -5 -50 LPF Characteristic 2 Gfy8M(dB) -1 0
Low Pass Filter Characteristic 2 vs. Temperature (Vin=8MHz/100kHz)
-2
-3
-4
0
50
o
100
Ambient Temperature Ta( C)
Low Pass Filter Characteristic 3 vs. Temperature (Vin=16MHz/100kHz)
-5
Differential Gain vs. Temperature
1
LPF Characteristic 3 Gfy16M(dB)
0.8
-10
Differential Gain DG(%)
0.6
0.4
-15
0.2
-20 -50 0 50
o
0
100
-50
0
50
o
100
Ambient Temperature Ta( C)
Ambient Temperature Ta( C)
Differential Phase vs. Temperature
1 80 0.8 Differential Phase DP(deg) Signal to Noise Ratio SNv(dB) 75
Signal to Noise Ratio vs. Temperature
0.6
70
0.4
0.2
65
0 -50 0 50
o
100
60 -50 0 50
o
100
Ambient Temperature Ta( C)
Ambient Temperature Ta ( C)
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NJM2575
sTYPICAL CHARACTERISTICS
Second Harmonic Distortion vs. Temperature
-40
2
Switching Voltage vs. Temperature
-45 Second Harmonic Distortion Hv(dB)
1.5 Switching Voltage Vth(V)
VthPH VthPL
-50
-55
1
-60
0.5
-65
-70 -50 0 50
o
0
100
-50
0
50
o
100
Ambient Temperature Ta ( C)
Ambient Temperature Ta( C)
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NJM2575
s APPLICATION
When you use a power save terminal more than by 4.0V, please put resistance of about 20k into a power save terminal. I n addition, power save terminal voltage (VthH) -- in the case of below 4.0V, resistance is not required Example) q PS(VthH) 4.0V q PS(VthH) < 4.0V
Power Save
r VthH 4.0V r 20k
Power Save VthH < 4.0V VPS(VthH)
VPS(VthH)
[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.
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