ES-4403 Rev.2

20VS2-01

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(3-port isolation)
Functions & Features
• Being used for printed wiring board installation
• High-linearity
• Low power consumption
• Isolating between input, output and power
• Isolation between input, output and power supply
up to 1500V AC
• Power 15V DC
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
 

MODEL: 20VS2–01–U

ORDERING INFORMATION

 • Code number: 20VS2-01-U

TYPE

01: 3-port isolation
 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: Epoxy resin
Isolation: Input to output to 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: ±5 mV
Input bias current: 2 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 V DC ±5 % (when power supply is 15 V DC)
Load current: ≤ 2 mA

INSTALLATION

Power input
DC: Operational voltage range:  
 Rating ±5 %; approx. 7 mA with no load;
 ripple 2 % p-p max.
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: ±0.001 % TYP. @G = 1 (±0.05 % max.)
Temp. coefficient:
Offset drift 5 ppm/°C TYP. @G = 1 (20 ppm/°C max.)
span drift 10 ppm/°C TYP. @G = 1 (50 ppm/°C max.)
Frequency characteristics: Approx. 1 kHz, -3 dB
Response time: ≤ 390 μsec. (0 – 90 %)
Conversion gain: ×0.995 ±1 % max.
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @1 minute (input or reference voltage source to output to power)
CMRR: ≥ 100 dB (500 V AC  50/60 Hz)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

APPLICATION EXAMPLE