ES-4409 Rev.6

20VS2-2

Hybrid IC Isolation Amplifiers 20 Series

ISOLATION AMPLIFIER

(output isolation)
Functions & Features
• Being used for printed wiring board installation
• Isolating between input and output, output and power
• Built in surge protectors
• Isolation between input and output up to 2000 V AC
• Power 15 V DC
Typical Applications
• Isolating the fiels and output circuit of microprocessor to reduce common mode noise
• Available for manufacturers of small-lot products to omit the development of isolation circuit
 

MODEL: 20VS2–2–U

ORDERING INFORMATION

• Code number: 20VS2-2-U
INPUT RANGE -10 – +10 V DC
OUTPUT RANGE -10 – +10 V DC

POWER INPUT

DC Power
U: 15 V DC

GENERAL SPECIFICATIONS

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

INPUT SPECIFICATIONS

DC Voltage
Input
: -10 – +10 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: 15 nA TYP. (@25°C)

OUTPUT SPECIFICATIONS

DC Voltage: -10 – +10 V DC
Load resistance: ≥ 2 kΩ
Output impedance: ≤ 1 Ω

REFERENCE VOLTAGE SOURCE

Output voltage: ±15 V DC ±5 %
Load current: ≤ 5 mA

INSTALLATION

Power input
DC: Operational voltage range: Rating ±2 %; approx. 10 mA with no load; ripple 2 %p-p max.
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: 20 g (0.71 oz)

PERFORMANCE in percentage of span

Linearity: ±0.05 %
Temp. coefficient:
Offset drift 40 ppm/°C
Span drift 50 ppm/°C
Frequency characteristics: Approx. 1 kHz, -3 dB
Response time: ≤ 450 μsec. (0 – 90 %)
Conversion gain: ×1 ±1 %
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(output or reference voltage source to input or power supply)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

APPLICATION EXAMPLE