MODEL: 20VS5-301
(Gain varies depending on the input resistance. For details,
refer to APPLICATION EXAMPLE.)
Hybrid IC Isolation Amplifiers 20 Series
Overload input voltage: 10 V DC continuous
Input offset voltage: ±30 mV
ISOLATION AMPLIFIER
(current output, 3-port isolation)
Functions & Features
Input bias current: 2 nA TYP. (@25°C) (which is the internal
amplifier's value (not measurable from the outside))
• Being used for printed wiring board installation
• High-linearity
OUTPUT SPECIFICATIONS
■ DC Current: 0 – 22 mA DC
• Low power consumption
• Small installation area in printed wiring board
• Isolating between input, output and power
• Isolation between input, output and power supply
up to 1500V AC
Load resistance: ≤ 550 Ω @ 12 V power input and 20 mA
output
Output impedance: ≥ 1 MΩ
• 12 V DC power supply
• Current output
REFERENCE VOLTAGE SOURCE
Output voltage: ±10 V DC ±10 %
Load current: ≤ 5 mA
Typical Applications
• Isolating the fiels and output circuit of microprocessor to
reduce common mode noise
INSTALLATION
Power input
• Available for manufacturers of small-lot products to omit
the development of isolation circuit
•DC: Operational voltage range: Rating ±10 %,
ripple 2 %p-p max.; ≤ 70 mA with 20 mA output
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: 20 g (0.71 oz)
40
(1.57)
16 (.63)
40
(1.57)
(mm)
PERFORMANCE in percentage of span
Linearity: ±0.05 % (at output 0 - 20 mA) @G = 1
Temp. coefficient: ±80 ppm/°C
MODEL: 20VS5-301-S
ORDERING INFORMATION
• Code number: 20VS5-301-S
Frequency characteristics: Approx. 950 Hz (-3 dB)
Response time: ≤ 600 μsec. (0 – 90 %)
Conversion gain: ×1 ±10 % @ 250 Ω load
Gain adjustable range: G = × 1 to × 10
INPUT RANGE 0 – 5 V DC
OUTPUT RANGE 0 – 20 mA DC
Line voltage effect: ±0.05 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @1 minute (input or
reference voltage source to output to power)
CMRR: ≥ 100 dB (500 V AC 50/60 Hz)
POWER INPUT
DC Power
S: 12 V DC
GENERAL SPECIFICATIONS
Construction: Hybrid IC
PWB coating: Silicone
Isolation: Input or reference voltage source to output to
power supply
INPUT SPECIFICATIONS
■ DC Voltage
Input : 0 – 5.5 V DC
Input resistance: 20 kΩ with 20 kΩ externally attached
20VS5-301 SPECIFICATIONS
ES-4445 Rev.1 Page 1/3
http://www.m-system.co.jp/