MODEL: 20VF-2

20VF-2 SPECIFICATIONS

ES-4405 Rev.3 Page 1/2

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

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(high speed response, output isolation)

Functions & Features

• Ultra-high speed response 80 microseconds

• Being used for printed wiring board installation

• Isolating between input and output, output and power

• Built in surge protectors

• Isolation between input and output up to 2000 V AC

• Power 15 V DC

Typical Applications

• Isolating the fiels and output circuit of microprocessor to

reduce common mode noise

• 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: 20VF–2–U

ORDERING INFORMATION

• Code number: 20VF-2-U

INPUT RANGE -10 – +10 V DC

OUTPUT RANGE -10 – +10 V DC

POWER INPUT

DC Power

U: 15 V DC

GENERAL SPECIFICATIONS

Construction: Hybrid IC

Housing material: Flame-resistant resin (black)

Isolation: Output or reference voltage source to input or

power supply

INPUT SPECIFICATIONS

■ DC Voltage

Input : -10 – +10 V DC

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

Overload input voltage: 30 V DC continuous

Input offset voltage: ±15 mV

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

OUTPUT SPECIFICATIONS

■ DC Voltage: -10 – +10 V DC

Load resistance: ≥ 2 kΩ

Output impedance: ≤ 1 Ω

REFERENCE VOLTAGE SOURCE

Output voltage: ±15 V DC ±5 %

Load current: ≤ 5 mA

INSTALLATION

Power input

Rating ±2 %; approx. 35 mA with no load; ripple 2 %p-p

max.

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

Operating humidity: 30 to 90 %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:

Offset drift 40 ppm/°C

Span drift 50 ppm/°C

Frequency characteristics: Approx. 5 kHz, -3 dB

Response time: ≤ 80 μsec. (0 – 90 %)

Conversion gain: ×1 ±1 %

Line voltage effect: ±0.05 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @ 1 minute

(output or reference voltage source to input or power

supply)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

RoHS Directive