20VS8-202NK-U [MSYSTEM]
Hybrid IC Isolation Amplifiers 20 Series;
| 型号： | 20VS8-202NK-U |
| 厂家： | 
M-SYSTEM |
| 描述： | Hybrid IC Isolation Amplifiers 20 Series |
| 文件： | 总4页 (文件大小：158K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: 20VS8-202N
Hybrid IC Isolation Amplifiers 20 Series
GENERAL SPECIFICATIONS
Construction: Hybrid IC
Housing material: Flame-resistant resin (black)
Isolation: Input or reference voltage source to output or
power supply
ISOLATION AMPLIFIER
(small size, input isolation, DIP type)
Functions & Features
• Being used for printed wiring board installation
• High-linearity
INPUT SPECIFICATIONS
■ DC Voltage
• High speed response of 150 μsec.
• Isolating between input and output or power
• Isolation between input and output or power supply up to
3000 V AC
Input : -5 – +5 V DC
Input resistance: ≥ 1 MΩ (10 kΩ in power failure)
Overload input voltage: ±15 V DC continuous
Input offset voltage: ±2 mV @ G = 1
Input bias current: 25 pA TYP. (@25°C)
• Power 15 V DC
Typical Applications
• Isolating the field and I/O circuit of microprocessor to
reduce noise from field
OUTPUT SPECIFICATIONS
■ DC Voltage: -5 – +5 V DC
Load resistance: ≥ 1 MΩ
• Available for manufacturers of small-lot products to omit
the development of isolation circuit
Output impedance: ≤ 5 kΩ
17.8 (.7)
8.9 (.35)
53.3 (2.1)
REFERENCE VOLTAGE SOURCE
■ FOR INPUT
Output voltage: ±8.5 V DC ±1 V (@ 15 V DC power supply )
Load current: ≤ 1 mA
INSTALLATION
Power input
mm (inch)
•DC: Rating ±5 %; approx. 7.5 mA with no load
Operating temperature: -25 to +85°C (-13 to +185°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Soldering to the printed wiring board
Weight: 13 g (0.46 oz)
MODEL: 20VS8–202N[1]–U
ORDERING INFORMATION
• Code number: 20VS8-202N[1]-U
Specify a code from below for [1].
(e.g. 20VS8-202NL-U)
PERFORMANCE in percentage of span
Unless otherwise specified, G = 1.
Linearity:
±0.05 % (20VS8-202NJ)
±0.025 % (20VS8-202NK)
TYPE
±0.012 % (20VS8-202NL)
202N: Input isolation
INPUT RANGE -5 – +5 V DC
OUTPUT RANGE -5 – +5 V DC
Temp. coefficient:
±25 ppm/°C (0℃ - 70℃; 32 - 158°F)
±50 ppm/°C (-25℃ - +85℃; -13 - +185°F)
Frequency characteristics: Approx. 2 kHz, -3 dB
Response time: ≤ 150 μsec. (0 – 90 %)
Conversion gain: ×1 ±1.5 %
[1] LINEARITY
J: ±0.05 %
K: ±0.025 %
Gain adjustable range: × 1 to × 100
Line voltage effect: ±0.02 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 3000 V AC @ 1 minute
(input or reference voltage source to output or power
supply)
L: ±0.012 %
POWER INPUT
DC Power
U: 15 V DC
http://www.m-system.co.jp/
20VS8-202N SPECIFICATIONS
ES-4444 Rev.0 Page 1/4
MODEL: 20VS8-202N
CMRR: ≥ 120 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
PIN ASSIGNMENTS
17.8 (.7)
max. 53.3 (2.1)
1
Non-inverting Input
Input COM (–)
2
3
Inverting Input
18
19
20
22
36
37
38
Output COM (–)
Output (+)
0.46 (.02) dia.
Power Supply (+)
Power Supply (–)
Reference Voltage Source (+)
Reference Voltage Source (–)
Feedback
40.6 (1.6)
12.7 (.5)
1
2
3
18 19
38 37 36
22
20
2.54 (.1)
40.6 (1.6)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
38
3
FEEDBACK
INVERTING INPUT
NON-INVERTING INPUT
COM (–)
Isolation
Amplifier
1
19
18
20
22
INPUT VIN
+
OUTPUT Vo
COM (–)
+
2
36
37
+
REFERENCE Volt. SOURCE for INPUT
POWER SUPPLY
–
–
Note. The reference voltage source for input is common to the input COM (–)
APPLICATION EXAMPLE
10 kΩ ≤ (R
1
+ R ) ≤ 200 kΩ
2
Non-inverting amplifier circuit: Basic example of G = 1
■
38
3
–
+
19
+
–
1
2
+
–
OUTPUT Vo
INPUT VIN
18
20
22
36
37
+
–
+ 15V DC
– POWER
REF. Volt. SOURCE for INPUT
Non-inverting circuit G = 1
http://www.m-system.co.jp/
20VS8-202N SPECIFICATIONS
ES-4444 Rev.0 Page 2/4
MODEL: 20VS8-202N
■ Inverting amplifier circuit: Basic example of G = -1 (output is inverted from the input)
R1
R1
+
38
3
–
+
19
+
INPUT VIN
1
OUTPUT Vo
–
18
20
22
2
–
+
–
+
36
37
15V DC
REF. Volt. SOURCE for INPUT
–
POWER
Inverting circuit G = -1
■ Non-inverting amplifier circuit: Example of G = 1 + R1 / R2
R2
R1
38
3
−
19
+
+
–
+
1
OUTPUT Vo
15V DC
INPUT VIN
18
20
22
2
–
+
+ 36
REF. Volt. SOURCE for INPUT
37
–
– POWER
Non-inverting amplifier circuit G = 1 + R1 / R2
■ Inverting amplifier circuit: Example of G = -R1 / R2 (output is inverted from the input)
R2
R1
38
+
3
1
–
+
19
+
INPUT VIN
OUTPUT VO
–
18
20
22
–
2
+ 36
+ 15V DC
– POWER
REF. Volt. SOURCE for INPUT
37
–
Inverting amplifier circuit G = -R1 / R2
■ Non-inverting amplifier circuit with external adjustments: Example of G = 2
10kΩ
(SPAN)
10kΩ 9kΩ
38
2kΩ
3
1
–
+
19
+
+
OUTPUT Vo
–
18
20
22
2
INPUT VIN
50kΩ
(ZERO)
200Ω
30kΩ
36
37
+
+ 15V DC
– POWER
REF. Volt.
SOURCE
– for INPUT
–
Non-inverting amplifier circuit zero/span adjustments
http://www.m-system.co.jp/
20VS8-202N SPECIFICATIONS
ES-4444 Rev.0 Page 3/4
MODEL: 20VS8-202N
■ Inverting amplifier circuit with external adjustments: Example of G = -1 (output is inverted from the input)
10kΩ
(SPAN)
10kΩ 9kΩ
+
38
3
2kΩ
–
+
19
INPUT VIN
+
–
1
OUTPUT VO
18
20
22
–
2
100kΩ
(ZERO)
200Ω
+
–
36
37
REF. Volt.
SOURCE
for INPUT
15V DC
POWER
+
–
30kΩ
Inverting amplifier circuit zero/span adjustments
■ Non-inverting amplifier circuit: With noise filter
+Vos
–
38
–
3
+
19
+
+
–
1
2
–Vos
INPUT VIN
18
+
–
36
37
20
22
+
–
15V DC
POWER
REF. Volt. SOURCE
for INPUT
Specifications are subject to change without notice.
http://www.m-system.co.jp/
20VS8-202N SPECIFICATIONS
ES-4444 Rev.0 Page 4/4
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