ES-4441 Rev.1
20VS7-1104
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(3-port isolation)
Functions & Features
• Being used for printed wiring board installation
• Isolating between input, output and power input
• Dielectric srength 2000 V AC between input, output and power input
• Power 15 V DC
Typical Applications
• Isolating the field and input or output circuit of microprocessor to reduce noise from field
• Available for manufacturers of small-lot products to omit the development of isolation circuit
MODEL: 20VS7-1104-U
ORDERING INFORMATION
• Code number: 20VS7-1104-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
PWB coating
: Silicone
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
: 30 V DC continuous
Input offset voltage
: ±30 mV
OUTPUT SPECIFICATIONS
■
DC Voltage
: -10 – +10 V DC
Load resistance
: ≥ 5 kΩ
Output impedance
: ≤ 1 Ω
INSTALLATION
Power input
•
DC
: Operational voltage range: Rating ±5 %; approx. 15 mA with no load; ripple 2 %p-p max.
Operating temperature
: -20 to +70°C (-4 to +158°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Soldering to the printed wiring board
Weight
: 10 g (0.35 oz)
PERFORMANCE in percentage of span
Linearity
: ±0.05 %
Temp. coefficient
: ±80 ppm/°C TYP.
Frequency characteristics
: Approx. 5 kHz, -3 dB
Response time
: ≤ 80 μsec. (0 – 90 %)
Conversion gain
: ×1 ±1 %
Line voltage effect
: ±0.05 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(input to output to power)
CMRR
: ≥ 100 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM