MODEL: 20VS1C

http://www.m-system.co.jp/

20VS1C SPECIFICATIONS

ES-4430 Rev.0 Page 1/3

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(top adjustment, input isolation)

Functions & Features

• Being used for printed wiring board installation

• Isolating between input, output and power

• Isolation between input and output up to 2000 V AC

• Power 15V DC

Typical Applications

• Isolating the field and iput circuit of microprocessor to

reduce noise from field

• Available for manufacturers of small-lot products to omit

the development of isolation circuit

49 (1.93)

mm (inch)

14.5

(.57)

18 (.71)

MODEL: 20VS1C-44-U

ORDERING INFORMATION

• Code number: 20VS1C-44-U

INPUT

Voltage

4: 0 – 10 V DC (Input resistance 1 MΩ min.)

OUTPUT

Voltage

4: 0 – 10 V DC (Load resistance 2 kΩ min.)

POWER INPUT

DC Power

U: 15 V DC

GENERAL SPECIFICATIONS

Construction: Hybrid IC

Housing material: Flame-resistant resin (black)

Isolation: Input or excitation to output or power supply

Zero adjustment: -1 to +1 % (top)

Span adjustment: 99 to 101 % (top)

INPUT SPECIFICATIONS

■ DC Voltage

Input : 0 – 10 V DC

Input resistance: ≥ 1 MΩ (10 kΩ in power failure)

Overload input voltage: 30 V DC continuous

Input bias current: 15 nA TYP. (@25°C)

OUTPUT SPECIFICATIONS

■ Voltage Output

Output range: 0 – 10 V DC

Load resistance: ≥ 2 kΩ

Output impedance: ≤ 1 Ω

EXCITATION

Output voltage: ±15 V DC ±5 % (when power supply is 15 V

DC)

Load current: ≤ 5 mA

INSTALLATION

Power input

•DC: Operational voltage range: Rating ±2 %; approx. 10

mA with no load; ripple 2 %p-p max.

Operating temperature: 0 to 60°C (32 to 140°F)

Operating humidity: 10 to 95 % RH (non-condensing)

Mounting: Soldering to the printed wiring board

Weight: 20 g (0.71 oz)

PERFORMANCE in percentage of span

Linearity: ±0.05 %

Temp. coefficient: 70 ppm/°C

Frequency characteristics: Approx. 1 kHz, -3 dB

Response time: ≤ 450 μsec. (0 – 90 %)

Gain adjustable range: × 1 to × 10

Line voltage effect: ±0.05 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @ 1 minute

(input or excitation to output or power supply)