ES-4408 Rev.6
20VS2-3
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(for narrow span, input isolation)
Functions & Features
• Being used for printed wiring board installation
• Isolating between input and output, input and power
• Built in surge protectors
• Isolation between input and output up to 2000 V AC
• 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: 20VS2–3–U
ORDERING INFORMATION
• Code number: 20VS2-3-U
Narrow span input range
: -10 – +100 mV DC
Input range
: 0 – 5 V DC
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
: Input or reference voltage source to output or power supply
INPUT SPECIFICATIONS
■
Voltage Input
Narrow span input range
: -10 – +100 mV DC
Input range
: 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
■
Voltage Output
Output range
: 0 – 10 V DC
Load resistance
: ≥ 2 kΩ
Output impedance
: ≤ 1 Ω
REFERENCE VOLTAGE SOURCE
Output voltage
: ±11 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 80 ppm/°C
Frequency characteristics
:
Approx. 2 Hz -3dB (narrow span input)
Approx. 1 kHz -3dB (not narrow span input)
Response time
:
≤ 200 ms (narrow span input)
≤ 450 microseconds (not narrow span input)
Conversion gain
: × 0.4 ±1 %
Line voltage effect
: ±0.05 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(input or reference voltage source to output 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
Input
: 4 – 20 mA DC
Output
: 0 – 5 V DC