ES-4415 Rev.2
20VS4-384
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(5 kV input isolation)
Functions & Features
• Being used for printed wiring board installation
• Up to 5 kV isolation between input to output or power input
• High CMRR
• Small installation area in printed wiring board
• Gain adjustable range, × 1 to × 10
• Power 15 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
MODEL: 20VS4–384–U
ORDERING INFORMATION
• Code number: 20VS4-384-U
INPUT RANGE -5 – +5 V DC
OUTPUT RANGE -5 – +5 V DC
POWER INPUT
DC Power
U
: 15 V DC
GENERAL SPECIFICATIONS
Construction
: Hybrid IC
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output or power
INPUT SPECIFICATIONS
■
DC Voltage
Input
: -5 – +5 V DC
Input resistance
: ≥ 1 MΩ (10 kΩ in power failure)
Overload input voltage
: 240 V AC continuous
Input offset voltage
: ±15 mV
Input bias current
: 0.5 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■
DC Voltage
: -5 – +5 V DC
Load resistance
: ≥ 2 kΩ
Output impedance
: ≤ 1 Ω
REFERENCE VOLTAGE SOURCE
Output voltage
:
±7.5 V DC TYP. (+15 V power supply)
±7.0 V DC TYP. (+14 V power supply)
Load current
: ≤ 5 mA
INSTALLATION
Power input
•
DC
:
Operational voltage range 13 – 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
: 20 g (0.71 oz)
PERFORMANCE in percentage of span
Linearity
: ±0.05 %
Temp. coefficient
:
Offset drift 10 ppm/°C TYP. @G = 1 (20 ppm/°C max.)
span drift 20 ppm/°C TYP. @G = 1 (50 ppm/°C max.)
Frequency characteristics
: Approx. 1 kHz, -3 dB
Response time
: ≤ 450 μsec. (0 – 90 %)
Conversion gain
: ×1 ±1 %
Gain adjustable range
: × 1 to × 10
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 5000 V AC @3 minute (input or reference voltage source to output or power)
CMRR
: 114 dB TYP. (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
APPLICATION EXAMPLE