20VS1A MSYSTEM | Alldatasheet

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Technical content

MODEL: 20VS1A http://www.m-system.co.jp/ 20VS1A SPECIFICATIONS ES-4421 Rev.0 Page 1/5 Hybrid IC Isolation Amplifiers 20 Series ISOLATION AMPLIFIER (high speed response, 3-port isolation) Functions & Features

  • Being used for printed wiring board installation
  • High-linearity
  • High speed response 50 μsec.
  • Isolating between input, output and power
  • Isolation between input, output and power supply up to

3000 V AC

  • 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 MODEL: 20VS1A–4W4W[1]–U

ORDERING INFORMATION

  • Code number: 20VS1A-4W4W[1]-U Specify a code from below for [1] (e.g. 20VS1A-4W4WA-U) INPUT / OUTPUT 4W4W: -10 - +10 V DC (Input resistance 1 MΩ min.) / -10 - +10 V DC (Load resistance 2 kΩ min.) [1] LINEARITY A: ±0.025 % B: ±0.012 % C: ±0.008 % POWER INPUT DC Power U: 15 V DC GENERAL SPECIFICATIONS Construction: Hybrid IC Housing material: Flame-resistant resin (black) Isolation: Input to output to power INPUT SPECIFICATIONS ■ DC Voltage Input : -10 – +10 V DC Input resistance: 1 MΩ (10 kΩ in power failure) Overload input voltage: ±15 V DC continuous Input offset voltage: ±2 mV @ G = 1 Input bias current: 25 pA TYP. (@25°C) OUTPUT SPECIFICATIONS ■ DC Voltage: -10 – +10 V DC Load resistance: ≥ 2 kΩ Output impedance: ≤ 1 Ω REFERENCE VOLTAGE SOURCE ■ FOR INPUT Output voltage: ±16.5 V DC ±2.5 V (when power supply is

15 V DC)

Load current: ≤ 2 mA ■ FOR OUTPUT Output voltage: ±16.5 V DC ±2.5 V (when power supply is Load current: ≤ 2 mA INSTALLATION Power input

  • DC: Rating ±5 %; approx. 50 mA with no load Operating temperature: -25 to +85°C (-13 to +185°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Soldering to the printed wiring board Weight: 20 g (0.71 oz) PERFORMANCE in percentage of span Unless otherwise specified, G = 1. Linearity: ±0.025 % (20VS1A-4W4WA) ±0.012 % (20VS1A-4W4WB) ±0.008 % (20VS1A-4W4WC) Temp. coefficient: Frequency characteristics: Approx. 20 kHz, -3 dB Response time: ≤ 50 μsec. (0 – 90 %) Conversion gain: ×1 ±1.5 % Gain adjustable range: × 1 to × 100 Line voltage effect: ±0.01 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 3000 V AC @1 minute (input or reference voltage source for input to output or reference

MODEL: 20VS1A http://www.m-system.co.jp/ 20VS1A SPECIFICATIONS ES-4421 Rev.0 Page 2/5 voltage source for output to power) CMRR: ≥ 120 dB (500 V AC 50/60 Hz) EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 11.3 (.44) 26 (1.02) 4.5 (.18) 1.23 (.05) 7.62 (.3) 12.7(.5) 10.16 (.4) 22 (.87) 22.86 (.9) 53.3 (2.1) (BOTTOM VIEW) REF . VOLT. SOURCE for OUTPUT (+) REF . VOLT. SOURCE for OUTPUT (–) 0.45 dia. (.02) PIN ASSIGNMENTS OUTPUT (+) OUTPUT COM (–) REF . VOLT. SOURCE for INPUT(+) REF . VOLT. SOURCE for INPUT (–) FEEDBACK INVERTING INPUT NON-INVERTING INPUT INPUT COM ( –) POWER SUPPL Y (+) POWER SUPPL Y (–) 2.54 (.1) SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM OUTPUT FEEDBACK 15 414 POWER SUPPLY REFERENCE Volt. SOURCE for INPUT Output Driver Isolation Amplifier COM (–) INPUT VIN NON-INVERTING INPUT INVERTING INPUT Note. The reference voltage source for input is common to the input COM (–) The reference voltage source for output is common to the output COM (–) REFERENCE Volt. SOURCE for OUTPUT COM (–)

MODEL: 20VS1A http://www.m-system.co.jp/ 20VS1A SPECIFICATIONS ES-4421 Rev.0 Page 3/5 APPLICATION EXAMPLE 10 kΩ ≤ (R1 + R2) ≤ 200 kΩ 16 1 Non-inverting circuit G = 1 REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT Non-inverting amplifier circuit: Basic example of G = 1 8 9 15V DC POWER + – – + INPUT VIN OUTPUT Vo R1 R1 Inverting circuit G = -1 n Inverting amplifier circuit: Basic example of G = -1 (output inverted to the input) 15V DC POWER + – REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT INPUT VIN OUTPUT Vo 8 9 R2 R1 Non-inverting amplifier circuit G = 1 + R1 / R2 OUTPUT VO n Non-inverting amplifier circuit: Example of G = 1 + R1 / R2 INPUT VIN 15V DC POWER + – REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT 8 9

MODEL: 20VS1A http://www.m-system.co.jp/ 20VS1A SPECIFICATIONS ES-4421 Rev.0 Page 4/5 R2 R1 15V DC POWER Inverting amplifier circuit G = -R1 / R2 OUTPUT VO n Inverting amplifier circuit: Example of G = -R1 / R2 (output inverted to the input) INPUT VIN + – REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT 8 9 15V DC POWER n Non-inverting amplifier circuit with external adjustments: Example of G = 2 9kΩ 10kΩ 50kΩ (ZERO) 2kΩ (SPAN) 10kΩ 30kΩ 200Ω – – Non-inverting amplifier circuit zero/span adjustments OUTPUT VO INPUT VIN REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT 8 9 n Inverting amplifier's circuit with external adjustments: Example of G = -1 (output inverted to the input) + – 15V DC POWER 9kΩ 10kΩ 100kΩ (ZERO) 2kΩ (SPAN) 30kΩ 200Ω 10kΩ Inverting amplifier circuit zero/span adjustments 2 – OUTPUT VO INPUT VIN REF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT 8 9

MODEL: 20VS1A http://www.m-system.co.jp/ 20VS1A SPECIFICATIONS ES-4421 Rev.0 Page 5/5 INPUT VIN +Vos +Vos –Vos + – 15V DC 4 –Vos ■ Non-inverting amplifier circuit: With noise filter POWERREF. Volt. SOURCE for INPUT REF. Volt. SOURCE for OUTPUT 8 9 Specifications are subject to change without notice.