ES-4407 Rev.5
20VS2-4
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(current output, 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: 20VS2–4–U
ORDERING INFORMATION
• Code number: 20VS2-4-U
Input range: 0 – 5 V DC
Current output range: 0 – 20 mA DC
Voltage output range: 0 – 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
: 0 – 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
: 15 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■
Current Output Range
: 0 - 20 mA DC
Load resistance
: ≤ 550 Ω
Output impedance
: ≥ 1 MΩ
■
Voltage Output Range
: 0 - 10 V DC
Load resistance
: ≥ 2 kΩ
Output impedance
: ≤ 1 Ω
Note: Current output and voltage output simultaneous usage is unable.
REFERENCE VOLTAGE SOURCE
Output voltage
: ±15 V DC ±5 %
Load current
: ≤ 5 mA
INSTALLATION
Power input
•
DC
:
Rating ±2 %; approx. 28 mA with 20 mA output; 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 40ppm/°C
span drift 100 ppm/°C
Frequency characteristics
: Approx. 200 Hz (-3 dB)
Response time
: ≤ 2 ms (0 – 90 %)
Conversion gain
Current output: 0 – 20 mA DC ±1 %
Voltage output: × 0.16 ±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
■
External circuit of zero/span adjustment
Input
: 0 – 5 V DC
Output
: 0 – 20 mA DC
Zero adjustments
: Approx. -2.5 – +2.5 %
Span adjustments
: Approx. 97.5 – 102.5 %