ES-4420 Rev.3
20VS5-100
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(bi-directional amplifier)
Functions & Features
• Being used for printed wiring board installation
• Up to 2.3 kV isolation between input to output or power input
• Bidirectional amplifier
• Small installation area in printed wiring board
• Power 15 V DC
Typical Applications
• Isolating the field and input circuit of microprocessor to reduce noise from field
• Due to bidirectionality input or output isolation available
MODEL: 20VS5–100–U
ORDERING INFORMATION
• Code number: 20VS5-100-U
INPUT RANGE -7 – +7 V DC @ 15 V power
-5 – +5 V DC @ 11.5 V power
OUTPUT RANGE -7 – +7 V DC @ 15 V power
-5 – +5 V DC @ 11.5 V power
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
INPUT SPECIFICATIONS
■
DC Voltage
Input
:
-7 – +7 V DC @ 15 V power
-5 – +5 V DC @ 11.5 V power
Input resistance
: ≥ 3 kΩ
Overload input voltage
: 15 V DC continuous
Input offset voltage
: ±15 mV
OUTPUT SPECIFICATIONS
■
DC Voltage
:
-7 – +7 V DC @ 15 V power
-5 – +5 V DC @ 11.5 V power
Load resistance
: ≥ 1 MΩ
Output impedance
: ≤ 1 kΩ
REFERENCE VOLTAGE SOURCE
Output voltage
:
±15 V DC TYP. (+15 V power supply)
±11 V DC TYP. (+11.5 V power supply)
Load current
: ≤ 3 mA
INSTALLATION
Power input
•
DC
:
Operational voltage range 11.5 – 16 V;
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
: 50 g (1.76 oz)
PERFORMANCE in percentage of span
Linearity
: ±0.2 %
Temp. coefficient
:
Offset drift 50 ppm/°C
Span drift 100 ppm/°C (200 ppm/°C at ≤ 10°C)
Frequency characteristics
: Approx. 5 kHz, -3 dB
Response time
: ≤ 90 μsec. (0 – 90 %)
Conversion gain
: ×0.95 ±15 % (load ≥ 1 MΩ)
Line voltage effect
±0.2 % / 12 V power (@ 11.5 - 13.5 V)
±0.2 % / 15 V power (@ 13.5 - 16 V)
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2300 V AC @1 minute (input or reference voltage source to output or power)
CMRR
: ≥ 100 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
APPLICATION EXAMPLE