Manufacturers
M-SYSTEMS 20VS2-3
Description
M-Systems 20VS2-3 Hybrid Isolation Amplifiers 20 Series; Isolation Amplifier (for Narrow Span, Input Isolation)
Part Number
20VS2-3
Price
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Manufacturer
M-SYSTEMS
Lead Time
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Category
Signal Conditioning
Specifications
Construction
Hybrid IC
Conversion gain
× 0.4 ±1 %
DC Power input
Operational voltage range: Rating ±2 %; approx. 10 mA with no load; ripple 2%p-p max
Dielectric strength
2000 V AC @ 1 minute (input or reference voltage source to output or power supply)
Frequency characteristics
Approx. 2 Hz -3dB (narrow span input); Approx. 1 kHz -3dB (not narrow span input)
Housing material
Flame-resistant resin (black)
Insulation resistance
Greater than or equal to 100 M Omega with 500 V DC
Isolation
Input or reference voltage source to output or power supply
Line voltage effect
±0.05 % over voltage range
Linearity
±0.05 %
Mounting
Soldering to the printed wiring board
Operating humidity
30 to 90 %RH (non-condensing)
Operating temperature
0 to 60°C (32 to 140°F)
Response time
Less than or equal to 200 ms (narrow span input); Less than or equal to 450 microseconds (not narrow span input)
Temp. coefficient
Offset drift 40 ppm/°C; span drift 80 ppm/°C
Weight
20 g (0.71 oz)
Features
- Being used for printed wiring board installation
- Built in surge protectors
- CE marking
- Isolating between input and output, input and power
- Isolation between input and output up to 2000 V AC
- Power 15 V DC
Datasheet
Extracted Text
MODEL: 20VS2-3 Input resistance: ≥ 1 MΩ (10 kΩ in power failure) Hybrid IC Isolation Amplifiers 20 Series Overload input voltage: 30 V DC continuous Input offset voltage: ±15 mV ISOLATION AMPLIFIER Input bias current: 15 nA TYP. (@25°C) (for narrow span, input isolation) Functions & Features OUTPUT SPECIFICATIONS • Being used for printed wiring board installation ■ Voltage Output • Isolating between input and output, input and power Output range: 0 – 10 V DC • Built in surge protectors Load resistance: ≥ 2 kΩ • Isolation between input and output up to 2000 V AC Output impedance: ≤ 1 Ω • Power 15 V DC • CE marking REFERENCE VOLTAGE SOURCE Typical Applications Output voltage: ±11 V DC ±5 % • Isolating the field and iput circuit of microprocessor to Load current: ≤ 5 mA reduce noise from field • Available for manufacturers of small-lot products to omit INSTALLATION the development of isolation circuit Power input •DC: Operational voltage range: Rating ±2 %; approx. 10 18 (.71) mA with no load; ripple 2 %p-p max. Operating temperature: 0 to 60°C (32 to 140°F) 14.5 (.57) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Soldering to the printed wiring board 49 (1.93) Weight: 20 g (0.71 oz) mm (inch) PERFORMANCE in percentage of span Linearity: ±0.05 % MODEL: 20VS2–3–U Temp. coefficient: Offset drift 40 ppm/°C span drift 80 ppm/°C ORDERING INFORMATION Frequency characteristics: • Code number: 20VS2-3-U Approx. 2 Hz -3dB (narrow span input) Approx. 1 kHz -3dB (not narrow span input) Narrow span input range: -10 – +100 mV DC Response time: Input range: 0 – 5 V DC ≤ 200 ms (narrow span input) Output range: 0 – 10 V DC ≤ 450 microseconds (not narrow span input) Conversion gain: × 0.4 ±1 % Line voltage effect: ±0.05 % over voltage range POWER INPUT Insulation resistance: ≥ 100 MΩ with 500 V DC DC Power Dielectric strength: 2000 V AC @ 1 minute U: 15 V DC (input or reference voltage source to output or power supply) GENERAL SPECIFICATIONS Construction: Hybrid IC STANDARDS & APPROVALS Housing material: Flame-resistant resin (black) CE conformity: Isolation: Input or reference voltage source to output or EMC Directive (2004/108/EC) power supply EMI EN 61000-6-4: 2007 EMS EN 61000-6-2: 2005 INPUT SPECIFICATIONS ■ Voltage Input Narrow span input range: -10 – +100 mV DC Input range: 0 – 5 V DC http://www.m-system.co.jp/ 20VS2-3 SPECIFICATIONS ES-4408 Rev.3 Page 1/2 MODEL: 20VS2-3 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 18 (.71) 49 (1.93) 0.3 (.01) 0.5 (.02) 20.32 (.80) 13.97 (.55) 7.62 (.30) 1.27 (.05) 1 2 3 4 5 6 7 8 9 15161718 36353433 22212019 2.54 (.10) SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation Output + 5 Amplifier 20 + Driver OUTPUT 4 19 – INPUT Low Drift 15 + + 1 Amplifier POWER SUPPLY NARROW SPAN INPUT 16 – COM (–) 2 +11V 7 * REFERENCE VOLTAGE COM (0V) 9 SOURCE –11V 8 *To be used in the printed wiring board on which the unit is mounted. APPLICATION EXAMPLE Input: 4 – 20 mA DC Output: 0 – 5 V DC + 5 20 + INPUT 4 – 20mA DC 250Ω OUTPUT 0 – 5V DC – 2 19 – LM329BZ 5.1kΩ 22 55kΩ 4kΩ + 15 POWER – 16 Specifications are subject to change without notice. http://www.m-system.co.jp/ 20VS2-3 SPECIFICATIONS ES-4408 Rev.3 Page 2/2 0.5 (.02) 14 (.55) 5.5 (.22) 14 (.55)
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