20VS5251 MSYSTEM | Alldatasheet

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Technical content

MODEL: 20VS5-251 http://www.m-system.co.jp/ 20VS5-251 SPECIFICATIONS ES-4434 Rev.0 Page 1/4 Hybrid IC Isolation Amplifiers 20 Series ISOLATION AMPLIFIER (high-accuracy, input isolation) Functions & Features

  • Being used for printed wiring board installation
  • Up to 1000 V isolation between input to output or power input
  • High-linearity
  • Small installation area in printed wiring board
  • Gain adjustable range, × 1 to × 10
  • Power 15 V DC Typical Applications
  • Isolating the field and input circuit of microprocessor to reduce noise from field
  • Available for manufacturers of small-lot products to omit the development of isolation circuit 47.5 (1.87) 18.5 (.73) mm (inch) 10.0 (.39) MODEL: 20VS5251–U

ORDERING INFORMATION

  • Code number: 20VS5-251-U INPUT RANGE -10 – +10 V DC OUTPUT RANGE -10 – +10 V DC POWER INPUT DC Power U: 15 V DC GENERAL SPECIFICATIONS Construction: Hybrid IC Isolation: Input or reference voltage source to output or power supply INPUT SPECIFICATIONS ■ DC Voltage Input : -10 – +10 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: -10 – +10 V DC Load resistance: ≥ 5 kΩ Output impedance: ≤ 1 Ω REFERENCE VOLTAGE SOURCE Output voltage: ±15 V DC TYP. Load current: ≤ 1 mA INSTALLATION Power input
  • DC: Operational voltage range: Rating ±5 %, ripple 2 %p-p max.; ≤ 12 mA with no load Operating temperature: 0 to 70°C (32 to 158°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Soldering to the printed wiring board Weight: 10g (0.35 oz) PERFORMANCE in percentage of span Unless otherwise specified, G = 1. Linearity: ±0.05 % Temp. coefficient: 50 ppm/°C (28 ppm/°F) Frequency characteristics: Approx. 3 kHz, -3 dB Response time: ≤ 150 μsec. (0 – 90 %) Conversion gain: ×0.98 ±2 % Gain adjustable range: × 1 to × 10 Line voltage effect: ±0.05 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1000 V AC @ 1 minute (input or reference voltage source to output or power supply) CMRR: ≥ 100 dB (500 V AC 50/60 Hz)

MODEL: 20VS5-251 http://www.m-system.co.jp/ 20VS5-251 SPECIFICATIONS ES-4434 Rev.0 Page 2/4 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) MAX. 47.5 (1.87) 1 6 14 17 MAX. 10(.39) 0.5(.02) 2.54 (.1) 20.32(.8) 7(.26) 0.25(.01) 3.0(.12) PIN ASSIGNMENT REFERENCE VOLTAGE SOURCE (–) REFERENCE VOLTAGE SOURCE (+) COM (–) NON-INVERTING INPUT OUTPUT (+) OUTPUT (–) POWER SUPPL Y (–) POWER SUPPL Y (+) INVERTING INPUT FEEDBACK [3.43(.14)] SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM FEEDBACK 1 Note. The reference voltage source is common to the COM (–), terminal 4. OUTPUT POWER SUPPLY Output Driver Isolation Amplifier (–) COM (–) INPUT NON-INVERTING INPUT INVERTING INPUT REFERENCE VOLTAGE SOURCE* (+) *To be used in the printed wiring board on which the unit is mounted. APPLICATION EXAMPLE (R1 + R2) ≤ 200 kΩ Non-inverting circuit G = 0.98 OUTPUT ±9.8V DC +REFERENCE VOLTAGE SOURCE n Non-inverting amplifier circuit: Basic example of G = 0.98 INPUT ±10V DC POWER 15V DC

MODEL: 20VS5-251 http://www.m-system.co.jp/ 20VS5-251 SPECIFICATIONS ES-4434 Rev.0 Page 3/4 r R2 R1 r r Inverting circuit G = -1 OUTPUT ʶ10V DC ■ Inverting amplifier circuit: Basic example of G = -1 (output inverted to the input) (R1 ≈ R 2) INPUT ʶ10V DC r r REFERENCE VOLTAGE SOURCE r POWER 15V DC R2 R1 Non-inverting amplifier circuit G = 1 + R1 / R2 OUTPUT VO ■ Non-inverting amplifier circuit: Example of G = 1 + R1 / R2 INPUT VIN REFERENCE VOLTAGE SOURCE POWER 15V DC R2 R1 Inverting amplifier circuit G = -R1 / R2 OUTPUT VO ■ Inverting amplifier circuit: Example of G = -R1 / R2 (output inverted to the input) INPUT VIN REFERENCE VOLTAGE SOURCE POWER 15V DC Non-inverting amplifier circuit zero/span adjustments (input ±5V, output ±10V) OUTPUT ±10V DC ■ Non-inverting amplifier's circuit with external adjustments: Example of G = 2 + REFERENCE VOLTAGE SOURCE 9kΩ 10kΩ 50kΩ (ZERO) 2kΩ (SPAN) INPUT ±5V DC 10kΩ 30kΩ 200Ω POWER 15V DC

MODEL: 20VS5-251 http://www.m-system.co.jp/ 20VS5-251 SPECIFICATIONS ES-4434 Rev.0 Page 4/4 Inverting amplifier circuit zero/span adjustments (input ±10V, output ±10V) ■ Inverting amplifier's circuit with external adjustments: Example of G = -1 (output inverted to the input) + REFERENCE VOLTAGE SOURCE 9kΩ 10kΩ 100kΩ (ZERO) 2kΩ (SPAN) INPUT ±10V DC 10kΩ 30kΩ 200Ω OUTPUT ±10V DC POWER 15V DC Specifications are subject to change without notice.