ES-4425 Rev.3
20VS5-207
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(current and voltage output, output isolation)
Functions & Features
• Being used for printed wiring board installation
• High-linearity
• Low power consumption
• Small installation area in printed wiring board
• Isolation and 1500 V AC dielectric strength between input or power supply and output
• ±15 V DC power supply
• Current/voltage output type
Typical Applications
• Isolating the fiels and output circuit of microprocessor to reduce common mode noise
• Available for manufacturers of small-lot products to omit the development of isolation circuit
MODEL: 20VS5-207-UB
ORDERING INFORMATION
• Code number: 20VS5-207-UB
INPUT RANGE -5 – +5 V DC
OUTPUT CURRENT RANGE 0 – 20 mA DC
OUTPUT VOLTAGE RANGE -5 – +5 V DC
POWER INPUT
DC Power
UB
: ±15 V DC
GENERAL SPECIFICATIONS
Construction
: Hybrid IC
Isolation
: Input or power to output
INPUT SPECIFICATIONS
■
DC Voltage
Input
: -5.67 – +5.67 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
: 2 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■
DC Current
: 0 – 22 mA DC (output of 0 - 5.67 V input)
Current output is not available for negative output.
Load resistance
: ≤ 750 Ω @ ±15 V power input and 20 mA output (power
Output impedance
: ≥ 1 MΩ
■
DC Voltage
: -5.5 – +5.5 V DC
Load resistance
: ≥ 10 kΩ (max. 0.5 mA)
Output impedance
: ≤ 1 Ω
INSTALLATION
Power input
•
DC
:
Operational voltage range: Rating ±10 %;
ripple 2 % p-p max.; 41 mA max. @ 20 mA output
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
: 25 g (0.88 oz)
PERFORMANCE in percentage of span
Unless otherwise specified, G = 1.
Linearity
Current output: ±0.05 % TYP., ±0.1 % MAX.
at 0 - 20 mA output
Voltage output: ±0.02 % TYP., ±0.05 % MAX.
at -5 - +5 V output
Temp. coefficient
:
Offset drift 20 ppm/°C
Span drift 50 ppm/°C
Frequency characteristics
: Approx. 50 Hz, -3 dB
Response time
: ≤10 msec. (0 – 90 %)
Conversion gain
: ×0.97 ±2 %
Gain adjustable range
: G = × 1 to × 10
Line voltage effect
: ±0.05 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
:
1500 V AC @ 1 minute (input or power to output)
CMRR
: ≥ 100 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
APPLICATION EXAMPLE
The total resistance of the resistors connected to the amplifier must be 20 kΩ minimum and 100 kΩ maximum.
(100 kΩ ≥ R
1
× R
2
÷ (R
1
+ R
2
) ≥ 20 kΩ)
Negative current output is not available.