ES-4420 Rev.3

20VS5-100

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(bi-directional amplifier)
Functions & Features
• Being used for printed wiring board installation
• Up to 2.3 kV isolation between input to output or power input
• Bidirectional amplifier
• Small installation area in printed wiring board
• Power 15 V DC
Typical Applications
• Isolating the field and input circuit of microprocessor to reduce noise from field
• Due to bidirectionality input or output isolation available

MODEL: 20VS5–100–U

ORDERING INFORMATION

 • Code number: 20VS5-100-U
INPUT RANGE -7 – +7 V DC @ 15 V power
 -5 – +5 V DC @ 11.5 V power
OUTPUT RANGE -7 – +7 V DC @ 15 V power
 -5 – +5 V DC @ 11.5 V power

POWER INPUT

DC Power
U: 15 V DC

GENERAL SPECIFICATIONS

Construction: Hybrid IC
Housing material: Flame-resistant resin (black)
Isolation: Input or reference voltage source to output or power

INPUT SPECIFICATIONS

DC Voltage
Input
:
 -7 – +7 V DC @ 15 V power
 -5 – +5 V DC @ 11.5 V power
Input resistance: ≥ 3 kΩ
Overload input voltage: 15 V DC continuous
Input offset voltage: ±15 mV

OUTPUT SPECIFICATIONS

DC Voltage:
 -7 – +7 V DC @ 15 V power
 -5 – +5 V DC @ 11.5 V power
Load resistance: ≥ 1 MΩ
Output impedance: ≤ 1 kΩ

REFERENCE VOLTAGE SOURCE

Output voltage:
±15 V DC TYP. (+15 V power supply)
±11 V DC TYP. (+11.5 V power supply)
Load current: ≤ 3 mA

INSTALLATION

Power input
DC:
Operational voltage range 11.5 – 16 V;
ripple 2 %p-p 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: 50 g (1.76 oz)

PERFORMANCE in percentage of span

Linearity: ±0.2 %
Temp. coefficient:
  Offset drift 50 ppm/°C 
  Span drift 100 ppm/°C (200 ppm/°C at ≤ 10°C)
Frequency characteristics: Approx. 5 kHz, -3 dB
Response time: ≤ 90 μsec. (0 – 90 %)
Conversion gain: ×0.95 ±15 % (load ≥ 1 MΩ)
Line voltage effect
 
±0.2 % / 12 V power (@ 11.5 - 13.5 V) 
  ±0.2 % / 15 V power (@ 13.5 - 16 V)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2300 V AC @1 minute (input or reference voltage source to output or power)
CMRR: ≥ 100 dB (500 V AC  50/60 Hz)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

APPLICATION EXAMPLE