ES-4447 Rev.2
20VS9-122D
Hybrid IC Isolation Amplifiers 20 Series
ISOLATION AMPLIFIER
(high-precision, space and cost saving, DIP type)
Functions & Features
• Isolator module for PWB mounting
• High-linearity (±0.012%)
• High speed response of 20 μsec.
• Isolating between input and output
• Isolation up to 2000 V AC
• Power supply ±15 V DC
Typical Applications
• Galvanically isolating the I/O circuits of microprocessor from the field side to reduce external noise
• Enabling electronic manufacturers to save efforts and cost for the development of isolation circuits for small-lot products
MODEL: 20VS9–122D[1]–UB
ORDERING INFORMATION
• Code number: 20VS9-122D[1]-UB
Specify a code from below for [1].
(e.g. 20VS9-122DJ-UB)
TYPE
122D
INPUT / OUTPUT VOLTAGE RANGE:
INPUT RANGE -10 – +10 V DC
OUTPUT RANGE -10 – +10 V DC
[1] LINEARITY
J
: ±0.05 %
K
: ±0.025 %
L
: ±0.012 %
POWER INPUT
DC Power
UB
: ±15 V DC
GENERAL SPECIFICATIONS
Construction
: Hybrid IC
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output
INPUT SPECIFICATIONS
■
DC Voltage
Input
: -10 – +10 V DC
Input resistance
: ≥ 200 kΩ (≥ 10 kΩ in power failure)
Overload input voltage
: ±15 V DC continuous
Input offset voltage
: ±30 mV
Input bias current
: 45 nA TYP. (@25°C)
OUTPUT SPECIFICATIONS
■
DC Voltage
: -10 – +10 V DC
Load resistance
: ≥ 2 kΩ
Output impedance
: ≤ 1Ω
INSTALLATION
Power input
•
DC
: Rating ±5 %; approx. 7.5 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
: 5 g (0.18 oz)
PERFORMANCE in percentage of span
Linearity
:
±0.05 % (20VS9-122DJ)
±0.025 % (20VS9-122DK)
±0.012 % (20VS9-122DL)
Temp. coefficient
:
±50 ppm/°C (-25℃ - +85℃; -13 - +185°F)
Frequency characteristics
: Approx. 18 Hz, -3 dB
Response time
: ≤ 20 msec. (0 – 90 %)
Conversion gain
: ×1 ±1 %
Line voltage effect
: ±0.02 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(input to output)
CMRR
: ≥ 100 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
APPLICATION EXAMPLE