20VS1B-7W7W-U 데이터 시트보기 (PDF) - Unspecified
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20VS1B-7W7W-U Datasheet PDF : 4 Pages
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Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(input isolation)
Functions & Features
• Being used for printed wiring board installation
• Up to 2.3 kV isolation between input to output or power
input
• Small stray capacitance between input and output
• Small installation area in printed wiring board
• Gain adjustable range, × 1 to × 10
• Power 11.5 - 16 V DC
Typical Applications
• Isolating the field and iput circuit of microprocessor to
reduce noise from field
• Available for manufacturers of small-lot products to omit
the development of isolation circuit
14 (.55)
21 (.83)
52 (2.05)
mm (inch)
MODEL: 20VS1B–7W7W–U
ORDERING INFORMATION
• Code number: 20VS1B-7W7W-U
INPUT / OUTPUT
7W7W: -7.5 - +7.5 V DC (Input resistance 1 MΩ min.)
/ -7.5 - +7.5 V DC (Load resistance 5 kΩ min.)
POWER INPUT
DC Power
U: 15 V DC
GENERAL SPECIFICATIONS
Construction: Hybrid IC
Isolation: Input to output or power
INPUT SPECIFICATIONS
■ DC Voltage
Input : -7.5 – +7.5 V DC
Input resistance: ≥ 1 MΩ (10 kΩ in power failure)
MODEL: 20VS1B
Overload input voltage: ±30 V DC continuous
Input offset voltage: ±30 mV
Input bias current: 0.5 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■ DC Voltage: -7.5 – +7.5 V DC
Load resistance: ≥ 5 kΩ
Output impedance: ≤ 1 Ω
REFERENCE VOLTAGE SOURCE
Output voltage:
±15 V DC TYP. (+15 V power supply)
±11 V DC TYP. (+11.5 V power supply)
Load current: ≤ 2 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: 10g (0.35 oz)
PERFORMANCE in percentage of span
Linearity: ±0.05 %
Temp. coefficient:
Offset drift 50 ppm/°C @G = 1
Span drift 50 ppm/°C @G = 1
Frequency characteristics: 1 kHz, 3 dB
Response time: ≤ 450 microsec.
Conversion gain: ×0.95 ±5 %
Gain adjustable range: × 1 to × 10
Line voltage effect: ±0.2 % over voltage range
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)
http://www.m-system.co.jp/
20VS1B SPECIFICATIONS
ES-4424 Rev.0 Page 1/4
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