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NJM2505AF-TE1

更新时间：2024-09-18 12:16:26
品牌：NJRC
描述：SINGLE ISOLATION AMPLIFIER

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NJM2505AF-TE1 概述

SINGLE ISOLATION AMPLIFIER 单隔离放大器

NJM2505AF-TE1 数据手册

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NJM2505A  
SINGLE ISOLATION AMPLIFIER  
■ GENERAL DESCRIPTION  
■ PACKAGE OUTLINE  
NJM2505A is the single isolation amplifier developed by the  
video signal. It can remove the noise of a signal with isolation amplifier  
and carries in the small package (MTP5), it is suitable for the interface  
of the video signal of a car AV system.  
NJM2505AF  
■ FEATURES  
■ Operating Voltage 4.5 to 9.0V  
■ Input: Sync-tip Clamp  
■ Common Mode Noise Rejection Ratio –55dBtyp.  
■ Voltage Gain 0dBtyp.  
■ Frequency Characteristics 0dBtyp.at 10MHz  
■ Bipolar Technology  
■ Package MTP5  
■ PIN CONFIGURATION  
1: Vout  
1
2
3
5
4
2: GND  
3: V+  
4: Vin  
5: VGND  
■ BLOCK DIAGRAM  
VGND  
Vin  
1
2
3
5
4
Vout  
GND  
V+  
Ver.4  
- 1 -  
NJM2505A  
■ ABSOLUTE MAXIMUM RATINGS(Ta=25°C)  
PARAMETER  
SYMBOL  
RATINGS  
UNIT  
Supply Voltage  
Power Dissipation  
Operating Temperature Range  
Storage Temperature Range  
V+  
PD  
15.0  
200  
-40 to +85  
-40 to +125  
V
MW  
°C  
Topr  
Tstg  
°C  
■ RECOMMENDED OPERATING CONDITION(Ta=25°C)  
PARAMETER  
Operating Voltage Range  
SYMBOL  
Vopr  
TEST CONDITION  
MIN.  
4.5  
TYP. MAX. UNIT  
9.0  
-
V
■ ELECTRICAL CHARACTERISTICS( V+ =5.0V, Ta=25°C)  
PARAMETR  
SYMBOL  
TEST CONDITION  
MIN. TYP. MAX. UNIT  
Supply Current  
ICC  
Vom  
Gv  
No Signal  
-
3.0  
2.2  
0
6.0  
mA  
Vp-p  
dB  
Maximum Output Voltage Level  
Voltage Gain  
Vin=100kHz,Sin-Signal,THD=1%,  
Vin=100kHz,1.0Vp-p,Sin-Signal  
Vin=10MHz / 1MHz ,1.0VppSin-Signal  
2.0  
-1.0  
-1.0  
-
1.0  
1.0  
Frequency Characteristics  
Common Mode Noise  
Rejection Ratio  
Differential Gain  
Differential Phase  
Gf  
0
dB  
CMR  
Vin=20KHz,Vin=1Vpp  
-
-55  
-
dB  
DG  
DP  
Vin=1.0Vp-p,10step Video Signal  
Vin=1.0Vp-p,10step Video Signal  
-
-
0.3  
0.4  
-
-
%
deg  
Ver.4  
- 2 -  
NJM2505A  
■ TEST CIRCUIT  
When CMR is measured, VGND is connected with VIN.  
VIN  
VGND  
75Ω  
+
50Ω  
4.7uF  
+
4.7uF  
5
4
NJM2505A  
1
2
3
0.1uF  
+
+
22uF  
10uF  
2kΩ  
■ APPLICATION CIRCUIT  
VOUT  
GND  
VCC  
VIN  
VGND  
Ω
75  
Input resistance  
Input resistance  
4.7uF  
4.7uF  
+
+
5
4
NJM2505A  
1
2
3
0.1uF  
+
+
10uF  
Ω
2k  
VOUT  
GND  
VCC  
Ver.4  
- 3 -  
NJM2505A  
■ APPLICATION  
1: Please connect input surge resistance to 4pin(Vin) and 5pin(VGND). Please refer to Fig. 1. If resistance is  
enlarged, a waveform may deteriorate.  
Surge Diode  
Surge  
Resistance  
4,5pin  
Surge Diode  
100Ω  
≒
NJM2505A  
Fig1: External connection  
0.5  
0.4  
0.3  
0.2  
0.1  
0
-0.1  
-0.2  
-0.3  
-0.4  
-0.5  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
Input Resistance(Ω)  
Fig2: Input resistance vs. Voltage gain  
-40  
-45  
-50  
-55  
-60  
-65  
-70  
-75  
-80  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
Input Resistance(Ω)  
Fig3: Input resistance vs. Common mode rejection ratio  
Ver.4  
- 4 -  
NJM2505A  
2: Please connect a diode in a VGND at large common mode noise may be inputted into a Vin(4pin) and  
VGND(5pin). Thereby, large common noise is restricted(refer to Fig.4).Current flows to a diode. Be careful of  
current capacity.  
VGND  
NJM2505A  
5pin  
Fig4: External connection  
Ver.4  
- 5 -  
NJM2505A  
■ EQUIVALENT CIRCUIT  
Pin.No  
Symbol  
Inside Equivalent Circuit  
Voitage  
0.92V  
1
Vout  
80Ω  
2
3
GND  
V+  
-
-
-
-
240Ω  
4
Vin  
1.67V  
31kΩ  
30kΩ  
1.67V  
5
VGND  
Ver.4  
- 6 -  
NJM2505A  
■ TYPICAL CHARACTERISTICS  
Voltage gain vs. Frequency  
(Vin=100kHz,1.0Vp-p,Ta=25°C)  
Common mode rejection ratio vs. Frequency  
(Vin=1.0Vp-p,Ta=25°C)  
-10  
-20  
-30  
-40  
-50  
-60  
5
0
-5  
-10  
-15  
-20  
105  
106  
107  
108  
10  
100 1000 104  
105  
106  
107  
108  
Frequency [Hz]  
Frequency [Hz]  
Supply current vs. Supply voltage  
Maximum output voltage vs. Supply voltage  
(Ta=25°C)  
(Vin=100kHz,Ta=25°C)  
3.5  
5.0  
3.0  
2.5  
2.0  
4.0  
3.0  
2.0  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
Voltage gain vs. Supply voltage  
(Vin=100kHz,1.0Vpp,Ta=25°C)  
Frequency characteristics vs. Supply voltage  
(Vin=1.0Vpp,10MHz/1MHz,Ta=25°C)  
1.0  
1.0  
0.5  
0.0  
0.5  
0.0  
-0.5  
-0.5  
-1.0  
-1.0  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
4.00  
8.00  
Vcc [v]  
12.00  
16.00  
Ver.4  
- 7 -  
NJM2505A  
■ TYPICAL CHARACTERISTICS  
Common mode noise ratio vs. Supply voltage  
(Vin=20kHz,1.0Vpp,Ta=25°C)  
Differential gain vs. Supply voltage  
(Vin=1.0Vpp,Ta=25°C)  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
-30.0  
-40.0  
-50.0  
-60.0  
-70.0  
-80.0  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
Differential phase vs. Supply voltage  
(Vin=1.0Vpp, Ta=25°C)  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
4.00  
8.00  
Vcc [V]  
12.00  
16.00  
Supply current vs. Ambient temperature  
(Vcc=5V)  
Maximum output voltage vs. Ambient temperature  
(Vcc=5V,Vin=100kHz)  
3.5  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
3.0  
2.5  
2.0  
-50.00  
0.00  
50.00  
100.00  
150.00  
-50.00  
0.00  
50.00  
100.00  
150.00  
Temp [oC]  
Temp [oC]  
Ver.4  
- 8 -  
NJM2505A  
■ TYPICAL CHARACTERISTICS  
Voltage gain vs. Ambient temperature  
(Vcc=5V,Vin=100kHz,1.0Vpp)  
Frequency characteristics vs. Ambient temperature  
(Vcc=5V,Vin=1.0Vpp 10MHz/1MHz)  
1.0  
1.0  
0.5  
0.5  
0.0  
0.0  
-0.5  
-0.5  
-1.0  
-1.0  
-50.00  
0.00  
50.00  
100.00  
150.00  
-50.00  
0.00  
50.00  
100.00  
150.00  
Temp [oC]  
Temp [oC]  
Common mode noise ratio vs. Ambient temperature  
(Vcc=5V,Vin=20kHz,1.0Vpp)  
Differential gain vs. Ambient temperature  
(Vcc=5V,Vin=1.0Vpp)  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
-30.0  
-40.0  
-50.0  
-60.0  
-70.0  
-80.0  
-50.00  
0.00  
50.00  
100.00  
150.00  
-50.00  
0.00  
50.00  
Temp [ C]  
100.00  
150.00  
Temp [oC]  
o
Differential phase vs. Ambient temperature  
(Vcc=5V,Vin=1.0Vpp)  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
[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.  
-50.00  
0.00  
50.00  
100.00  
150.00  
Temp [oC]  
Ver.4  
- 9 -  

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