MODEL: 20VS5-G200
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER(high-accuracy, input isolation)
Functions & Features• Being used for printed wiring board installation• Up to 1500 V AC isolation between input to output orpower input• High-linearity• Small installation area in printed wiring board• Gain adjustable range, × 1 to × 100• Power 15 V DC
Typical Applications• Galvanically isolating the I/O circuits of microprocessor
from the field side to reduce external noise• Enabling electronic manufacturers to save efforts and costfor the development of isolation circuits for small-lotproducts
10.7 (.42)

Overload input voltage: 15 V DC continuous
Input offset voltage: ±15 mV
Input bias current: 0.5 nA TYP. (@25°C)

OUTPUT SPECIFICATIONS■ DC Voltage: -5 – +5 V DC
Load resistance: ≥ 12 kΩ
Output impedance: ≤ 1 Ω

REFERENCE VOLTAGE SOURCE
Output voltage: ±7 V DC TYP.
Load current: ≤ 2 mA

INSTALLATIONPower input•DC: Operational voltage range: Rating ±10 %, ripple 2 %pp max.; approx. 7 mA with no load
Operating temperature: -10 to +70°C (14 to 158°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Soldering to the printed wiring board
Weight: 13 g (0.46 oz)

16 (.63)

PERFORMANCE in percentage of span
Unless otherwise specified, G = 1.
Linearity: ±0.005 % TYP. (±0.01 % max.)
Temp. coefficient:
Offset drift 20 ppm/°C
Span drift 40 ppm/°C
Frequency characteristics: Approx. 3 kHz, -3 dB
Response time: ≤ 150 μsec. (0 – 90 %)Conversion gain: ×0.98 ±5 %Gain adjustable range: × 1 to × 100
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @1 minute (input orreference voltage source to output or power)
CMRR: ≥ 100 dB (500 V AC 50/60 Hz)

47.5 (1.87)
mm (inch)

MODEL: 20VS5–G200–U
ORDERING INFORMATION• Code number: 20VS5-G200-U
INPUT RANGE -5 – +5 V DC
OUTPUT RANGE -5 – +5 V DC

POWER INPUTDC Power
U: 15 V DC

GENERAL SPECIFICATIONS
Construction: Hybrid IC
Housing material: Flame-resistant resin (black)
Isolation: Input to output or powerINPUT SPECIFICATIONS■ DC Voltage
Input : -5 – +5 V DC
Input resistance: ≥ 1 MΩ (10 kΩ in power failure)
20VS5-G200 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-4442 Rev.1 Page 1/4

MODEL: 20VS5-G200
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

7.75 MAX. 16 (.63)(.31)

161417

2.54 (.1)
12.7 (.5)

PIN ASSIGNMENT

10.7 (.42)

MAX. 47.5 (1.87)

20.32 (.8)

7.62(.3)

20.32 (.8)

0.5 (.02) 0.25(.01)

1FEEDBACK

2INVERTING INPUT

3NON-INVERTING INPUT

4COM (–)

5REFERENCE VOLTAGE SOURCE (+)

6REFERENCE VOLTAGE SOURCE (–)

14POWER SUPPLY (+)

15POWER SUPPLY (–)

16OUTPUT (–)

17OUTPUT (+)

2.55 (.1)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAMFEEDBACK 1
INVERTING INPUT 2
NON-INVERTING INPUT 3

INPUTIsolation
OutputDriver

Amplifier

17 +OUTPUT

416 –(+) 514 +(–) 615 –

COM (–)

POWER SUPPLYREFERENCE 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(R1 + R2) ≤ 200 kΩ
■ Non-inverting amplifier circuit: Basic example of G = 0.98
1+INPUT ±5V DC–REFERENCE
VOLTAGE SOURCE–2–3++17 +OUTPUT ±4.9V DC

416 –+ 514 +– 615 –POWER 15V DC

Non-inverting circuit G = 0.98

20VS5-G200 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4442 Rev.1 Page 2/4

MODEL: 20VS5-G200■ Inverting amplifier circuit: Basic example of G = -1 (output inverted to the input) (R1 ≈ R2)
R2R1+12‒3+INPUT ±5V DC‒‒17 ++OUTPUT ±5V DC

416 ‒+ 514 +REFERENCE
VOLTAGE SOURCE ‒15 ‒

6POWER 15V DC

Inverting circuit G = -1

■ Non-inverting amplifier circuit: Example of G = 1 + R1 / R2R2R11–

17 +2–+3+–

416 –+ 514 +– 615 –+OUTPUT VO

INPUT VIN

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

R11+–2–

3+INPUT VIN

17 ++OUTPUT VO

416 –+ 514 +– 615 ––

POWER 15V DC

REFERENCE VOLTAGE SOURCE

Inverting amplifier circuit G = -R1 / R2

■ Non-inverting amplifier's circuit with external adjustments: Example of G = 210kΩ
(SPAN)
10kΩ

9kΩ

12kΩ

+
INPUT ±2.5V DC
200Ω

–
30kΩ

50kΩ
(ZERO)–2–

3++17 +OUTPUT ±5V DC

416 –

5 + REFERENCE

14 +VOLTAGE
6 – SOURCE

15 –POWER 15V DC

Non-inverting amplifier circuit zero/span adjustments (input ±2.5V, output ±5V)

20VS5-G200 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-4442 Rev.1 Page 3/4

MODEL: 20VS5-G200■ Inverting amplifier's circuit with external adjustments: Example of G = -1 (output inverted to the input)
10kΩ
(SPAN)
10kΩ

9kΩ

+

12kΩ

–

3+INPUT ±5V DC

–

100kΩ
(ZERO)

200Ω
30kΩ

–

2+17 +OUTPUT ±5V DC

416 –

5 + REFERENCE

14 +VOLTAGE
6 – SOURCE

15 –POWER 15V DCInverting amplifier circuit zero/span adjustments (input ±5V, output ±5V)

Specifications are subject to change without notice.

20VS5-G200 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-4442 Rev.1 Page 4/4