MODEL: 20VSHybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIEROUTPUT SPECIFICATIONS(3-port isolation)
Functions & Features• Being used for printed wiring board installation• Isolating between input, output and power• 24 V DC or 15 V DC power supply

Preamp driver power: ±15 V, 5 mA

INSTALLATION

Typical Applications• Isolating the field and input or output circuit of
microprocessor to reduce noise from field• Available for manufacturers of small-lot products to omit
the development of isolation circuit

50 [1.97]

Power input• DC Power: Operational voltage range rated voltage ±2%(ripple 2% p-p max.)
Approx. 20mA (load resistance 1MΩ)30mA max. (24V DC, load resistance 3.5kΩ)40mA max. (15V DC, load resistance 3.5kΩ)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: 50 g (1.76 oz)

PERFORMANCE in percentage of span

18 [.70]
70[2.76]

Zero adjustment: -0.5 to +0.5 % (bottom)
Span adjustment: 95 to 105 % (bottom)

Accuracy: ±0.1 %Temp. coefficient:
Offset drift 50 ppm/°C
Span drift 100 ppm/°C
Frequency characteristics: Approx. 1 kHz, -3 dB
Response time: Approx. 0.6 msec. (0 – 90 %)Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @1 minute(Input or preamp drive power to output to power)

mm [inch]

VOLTAGE OUTPUT TYPE
MODEL: 20VS-4W4W-[1]ORDERING INFORMATION• Code number: 20VS-4W4W-[1]Specify a code from below for [1].
(e.g. 20VS-4W4W-R)

INPUT
Voltage
4W: -10 – +10 V DC (Input resistance 1 MΩ min.)OUTPUT
Voltage
4W: -10 to +10 V DC (Load resistance 3.5 kΩ min.)[1] POWER INPUTDC Power
R: 24 V DC
U: 15 V DC

GENERAL SPECIFICATIONS
Construction: Hybrid IC
Housing material: Flame-resistant resin (black)
Isolation: Input or preamp drive power to output to power
20VS SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4411 Rev.3 Page 1/4

MODEL: 20VS

10[.39]18[.71]

EXTERNAL DIMENSIONS unit: mm [inch]

1 [.04] dia.

15[.59]5 5 10 5 5[.20] [.20] [.39] [.20] [.20]
50 [1.97]

SPAN

10 9 85[.20]

14 13 12ZERO

7 6 5 4 3 2 1

5 5 5 5 5 5[.20] [.20] [.20] [.20] [.20] [.20]

2-8 [.31] dia.

60 [2.36]
70 [2.76]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM¢ VOLTAGE OUTPUT TYPE
Isolation
+1

INPUT

Voltage
Amplifier

ZS
OutputDriver

8 +OUTPUT

COM ( − ) 2

9 −+15V 5

13 +PREAMP DRIVE
COM (0V) 6
POWER

14 −

POWER

-15V 7

20VS SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4411 Rev.3 Page 2/4

MODEL: 20VS
CURRENT OUTPUT TYPE
MODEL: 20VS-[1]A-[2]PERFORMANCE in percentage of span
Accuracy: ±0.1 %Temp. coefficient:
Offset drift 50 ppm/°C
Span drift 100 ppm/°C
Frequency characteristics: Approx. 200 Hz (-3 dB)
Response time: Approx. 4 ms (0 - 90 %)Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @ 1 minute (input or preamp
driver power to output to power supply to external powersupply)

ORDERING INFORMATION• Code number: 20VS-[1]A-[2]Specify a code from below for each of[1] and [2].
(e.g. 20VS-6A-R)[1] INPUT
Voltage
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)6: 1 – 5 V DC (Input resistance 1 MΩ min.)OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)[2] POWER INPUTDC Power
R: 24 V DC
U: 15 V DC

GENERAL SPECIFICATIONS
Construction: Hybrid IC
Housing material: Flame-resistant resin (black)
Isolation: Input or preamp driver power to output to power
supply to external power supply
Zero adjustment: -5 to +5 % (bottom)
Span adjustment: 95 to 105 % (bottom)

OUTPUT SPECIFICATIONSPreamp driver power: ±15 V, 5 mA
External power supply: +16 V, 15 mA

INSTALLATIONPower input• DC: Operational voltage range rated voltage ±2%(ripple 2 % p-p or less)Approx. 40 mA (24 V DC, load resistance 250Ω)Approx. 60 mA (15 V DC, load resistance 250Ω)
55mA max. (24V DC, load resistance 600Ω)
80mA max. (15V DC, load resistance 600Ω)
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: 50 g (1.76 oz)

20VS SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4411 Rev.3 Page 3/4

MODEL: 20VS

10[.39]18[.71]

EXTERNAL DIMENSIONS unit: mm [inch]

1 [.04] dia.

15[.59]5 5 10 5 5[.20] [.20] [.39] [.20] [.20]
50 [1.97]

SPAN

10 9 85[.20]

14 13 12ZERO

7 6 5 4 3 2 15 5 5 5 5 5[.20] [.20] [.20] [.20] [.20] [.20]

2-8 [.31] dia.

60 [2.36]
70 [2.76]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM¢ CURRENT OUTPUT TYPE
Isolation+1INPUT

ZVoltage
AmplifierS
OutputDriver

8 +OUTPUT

COM ( − ) 210 −+15V 3

12 +PREAMP DRIVE
COM (0V) 4
POWER

14 −

POWER

−15V 5+16V 6
EXTERNAL POWER− 7Specifications are subject to change without notice.

20VS SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4411 Rev.3 Page 4/4