20VS5251-U [MSYSTEM]
Hybrid IC Isolation Amplifiers 20 Series;
| 型号： | 20VS5251-U |
| 厂家： | 
M-SYSTEM |
| 描述： | Hybrid IC Isolation Amplifiers 20 Series |
| 文件： | 总4页 (文件大小：161K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: 20VS5-251
Input resistance: ≥ 1 MΩ (≥ 10 kΩ in power failure)
Overload input voltage: 30 V DC continuous
Input offset voltage: ±15 mV
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(high-accuracy, input isolation)
Functions & Features
Input bias current: 0.5 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■ DC Voltage: -10 – +10 V DC
Load resistance: ≥ 5 kΩ
• Being used for printed wiring board installation
• Up to 1000 V isolation between input to output or power
input
Output impedance: ≤ 1 Ω
• High-linearity
• Small installation area in printed wiring board
• Gain adjustable range, × 1 to × 10
• Power 15 V DC
REFERENCE VOLTAGE SOURCE
Output voltage: ±15 V DC TYP.
Load current: ≤ 1 mA
Typical Applications
• Isolating the field and input circuit of microprocessor to
reduce noise from field
INSTALLATION
Power input
• Available for manufacturers of small-lot products to omit
the development of isolation circuit
•DC: Operational voltage range: Rating ±5 %, ripple 2 %p-p
max.; ≤ 12 mA with no load
Operating temperature: 0 to 70°C (32 to 158°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Soldering to the printed wiring board
Weight: 10g (0.35 oz)
10.0 (.39)
18.5 (.73)
47.5 (1.87)
mm (inch)
PERFORMANCE in percentage of span
Unless otherwise specified, G = 1.
Linearity: ±0.05 %
Temp. coefficient: 50 ppm/°C (28 ppm/°F)
Frequency characteristics: Approx. 3 kHz, -3 dB
Response time: ≤ 150 μsec. (0 – 90 %)
Conversion gain: ×0.98 ±2 %
MODEL: 20VS5251–U
Gain adjustable range: × 1 to × 10
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @ 1 minute
(input or reference voltage source to output or power
supply)
ORDERING INFORMATION
• Code number: 20VS5-251-U
INPUT RANGE -10 – +10 V DC
OUTPUT RANGE -10 – +10 V DC
CMRR: ≥ 100 dB (500 V AC 50/60 Hz)
POWER INPUT
DC Power
U: 15 V DC
GENERAL SPECIFICATIONS
Construction: Hybrid IC
Isolation: Input or reference voltage source to output or
power supply
INPUT SPECIFICATIONS
■ DC Voltage
Input : -10 – +10 V DC
http://www.m-system.co.jp/
20VS5-251 SPECIFICATIONS
ES-4434 Rev.0 Page 1/4
MODEL: 20VS5-251
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
MAX. 10(.39)
MAX. 47.5 (1.87)
PIN ASSIGNMENT
1
2
FEEDBACK
INVERTING INPUT
NON-INVERTING INPUT
COM (–)
3
4
1
6
14
17
5
REFERENCE VOLTAGE SOURCE (+)
REFERENCE VOLTAGE SOURCE (–)
POWER SUPPLY (+)
POWER SUPPLY (–)
OUTPUT (–)
6
14
15
16
17
0.25(.01)
3.0(.12)
2.54 (.1)
12.7(.5)
0.5(.02)
20.32(.8)
OUTPUT (+)
[3.43(.14)]
10.16
[3.43(.14)]
7(.26)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
1
2
3
4
5
6
FEEDBACK
INVERTING INPUT
NON-INVERTING INPUT
COM (–)
Isolation
Output
Driver
Amplifier
INPUT
17
16
14
15
+
–
+
–
OUTPUT
(+)
POWER SUPPLY
REFERENCE VOLTAGE SOURCE*
(–)
*To be used in the printed wiring board on which the unit is mounted.
Note. The reference voltage source is common to the COM (–), terminal 4.
APPLICATION EXAMPLE
(R
1
+ R ) ≤ 200 kΩ
2
n Non-inverting amplifier circuit: Basic example of G = 0.98
1
–
+
17
2
–
+
+
OUTPUT 9.8ꢀ ꢁD
3
4
5
6
+
INPUT 10ꢀ ꢁD
–
16
14
15
–
+
–
+
–
REFERENDE
ꢀOLTAGE SOURDE
POWER 15ꢀ ꢁD
Non-inverting circuit G = 0.98
http://www.m-system.co.jp/
20VS5-251 SPECIFICATIONS
ES-4434 Rev.0 Page 2/4
MODEL: 20VS5-251
■ Inverting amplifier circuit: Basic example of G = -1 (output inverted to the input) (R1 ≈ R2)
R2 R1
1
2
3
4
5
6
+
INPUT ±10V DC
‒
‒
17
+
‒
+
+
OUTPUT ±10V DC
16
‒
+
‒
+
14
15
POWER 15V DC
REFERENCE
VOLTAGE SOURCE
‒
Inverting circuit G = -1
■ Non-inverting amplifier circuit: Example of G = 1 + R1 / R2
R2
R1
1
2
3
4
5
6
–
+
17
+
–
+
OUTPUT VO
+
–
INPUT VIN
16
14
15
–
+
–
+
POWER 15V DC
REFERENCE VOLTAGE SOURCE
–
Non-inverting amplifier circuit G = 1 + R1 / R2
■ Inverting amplifier circuit: Example of G = -R1 / R2 (output inverted to the input)
R2
R1
1
2
3
4
5
6
+
–
+
17
+
–
+
INPUT VIN
OUTPUT VO
16
14
15
–
–
+
–
+
–
POWER 15V DC
REFERENCE VOLTAGE SOURCE
Inverting amplifier circuit G = -R1 / R2
■ Non-inverting amplifier's circuit with external adjustments: Example of G = 2
ꢀ1kΩ
(SPANꢁ
ꢀ1kΩ 9kΩ
ꢀ
2kΩ
–
+
ꢀ7
2
–
+
+
OUTPUT ±ꢀ1V ꢂD
3
4
±
6
+
INPUT ±±V ꢂD
–
ꢀ6
ꢀ4
ꢀ±
–
±1kΩ
(ZEROꢁ
211Ω
31kΩ
+
+
–
REFERENDE
VOLTAGE
– SOURDE
POWER ꢀ±V ꢂD
Non-inverting amplifier circuit zero/span adjustments (input ±±V, output ±ꢀ1Vꢁ
http://www.m-system.co.jp/
20VS5-251 SPECIFICATIONS
ES-4434 Rev.0 Page 3/4
MODEL: 20VS5-251
■ Inverting amplifier's circuit with external adjustments: Example of G = -1 (output inverted to the input)
±1kΩ
(SPANꢀ
±1kΩ 9kΩ
±
2
3
4
5
6
+
2kΩ
–
+
±7
+
–
+
INPUT ±±10 ꢁC
OUTPUT ±±10 ꢁC
±6
±4
±5
–
–
+
–
±11kΩ
(ZEROꢀ
211Ω
+
REFERENCE
0OLTAGE
– SOURCE
±50 ꢁC
POWER
31kΩ
Inverting amplifier circuit zero/span adjustments (input ±±10V output ±±10ꢀ
Specifications are subject to change without notice.
http://www.m-system.co.jp/
20VS5-251 SPECIFICATIONS
ES-4434 Rev.0 Page 4/4
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