MODEL: 20VS1A
voltage source for output to power)
CMRR: ≥ 120 dB (500 V AC 50/60 Hz)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
4.5
11.3
26 (1.02) (.18)
(.44)
1
PIN
ASSIGNMENTS
1 OUTPUT (+)
2 OUTPUT COM (–)
3 REF. VOLT. SOURCE for OUTPUT (+)
4 REF. VOLT. SOURCE for OUTPUT (–)
8 POWER SUPPLY (+)
9 POWER SUPPLY (–)
0.45 dia.
(.02)
13 REF. VOLT. SOURCE for INPUT(+)
14 REF. VOLT. SOURCE for INPUT (–)
15 FEEDBACK
16 INVERTING INPUT
17 INPUT COM (–)
18 NON-INVERTING INPUT
(BOTTOM VIEW)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
FEEDBACK 15
INVERTING INPUT 16
INPUT VIN NON-INVERTING INPUT 18
COM (–) 17
+ 13
REFERENCE Volt. SOURCE for INPUT
– 14
Amplifier
Isolation
Output
Driver
1+
OUTPUT
2 – COM (–)
3+
4–
REFERENCE Volt. SOURCE for OUTPUT
8+
POWER SUPPLY
9–
Note. The reference voltage source for input is common to the input COM (–)
The reference voltage source for output is common to the output COM (–)
http://www.m-system.co.jp/
20VS1A SPECIFICATIONS
ES-4421 Rev.0 Page 2/5