ES-4413 Rev.2

20VS5-500

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(high speed response, 5 kV input isolation)
Functions & Features
• Being used for printed wiring board installation
• Up to 5kV isolation between input to output or power input
• Small stray capacitance between input and output
• Small installation area in printed wiring board
• Gain adjustable range, × 1 to × 10
• Power 15 V 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
 

MODEL: 20VS5–500–U

ORDERING INFORMATION

 • Code number: 20VS5-500-U
INPUT RANGE -5 – +5 V DC
OUTPUT RANGE -5 – +5 V DC

POWER INPUT

DC Power
U: 15 V DC

GENERAL SPECIFICATIONS

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

INPUT SPECIFICATIONS

DC Voltage
Input
: -5 – +5 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: 0.5 nA TYP. (@25°C)

OUTPUT SPECIFICATIONS

DC Voltage: -5 – +5 V DC
Load resistance: ≥ 2 kΩ
Output impedance: ≤ 1 Ω

REFERENCE VOLTAGE SOURCE

Output voltage:
±7.5 V DC TYP. (+15 V power supply)
±7.0 V DC TYP. (+14 V power supply)
Load current:
≤ 5mA (+15 V power supply)
≤ 1mA (+14 V power supply)

INSTALLATION

Power input
DC:
Operational voltage range 14 – 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: 20 g (0.71 oz)

PERFORMANCE in percentage of span

Linearity: ±0.05 %
Temp. coefficient:
Offset drift 10 ppm/°C TYP. @G = 1 (20 ppm/°C max.)
span drift 20 ppm/°C TYP. @G = 1 (50 ppm/°C max.)
Frequency characteristics: Approx. 5 kHz, -3 dB
Response time: ≤ 90 μsec. (0 – 90 %)
Conversion gain: ×1 ±1 %
Gain adjustable range: × 1 to × 10
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 5000 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

10 kΩ ≤ (R1 + R2) ≤ 200 kΩ