ES-4439 Rev.1
20VS7-205S
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(general purpose input isolation)
Functions & Features
• Being used for printed wiring board installation
• Up to 2.5 kV 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
• 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: 20VS7–205S–U
ORDERING INFORMATION
• Code number: 20VS7-205S-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
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
: ≥ 100 kΩ
Output impedance
: ≤ 1 kΩ
INSTALLATION
Power input
•
DC
: Operational voltage range: Rating 15 V±1V DC, 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
: Approx. 11 g (0.39 oz)
PERFORMANCE in percentage of span
Linearity
: ±0.5 %
Temp. coefficient
: ±150 ppm/°C
Frequency characteristics
: Approx. 5 kHz, -3 dB
Response time
: ≤ 100 μsec. (0 – 90 %)
Conversion gain
: ×1 ±1 %
Gain adjustable range
: G = × 1
Line voltage effect
: ±0.5 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2500 V AC @1 minute (input to output or power)
CMRR
: ≥ 100 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM