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| REF200 Datasheet, PDF (20/34 Pages) Burr-Brown (TI) – DUAL CURRENT SOURCE/CURRENT SINK | |||
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REF200
SBVS020B â SEPTEMBER 2000 â REVISED JULY 2015
System Examples (continued)
+VS
100 µA
10 kΩ
C
10 kΩ
VI
OPA602
VO = âVI
Diodes: 1N4148
or PWS740-3
Diode Bridge for
reduced VOS .
100 µA
VO Rate Limit = 100 µA/C
âVS
Figure 32. Rate Limiter
High
Compliance
4 V to 30 V
25 mA
100 Ω
100 μA
100 Ω
+VS
âVS
100 Ω
100 Ω
10 kΩ
40.2 Ω
NOTE: Each amplifier 1/4 LM324
Op amp power supplies are derived
Low
within the circuitry, and this quiescent
current is included in the 25 mA.
Figure 33. 25-mA Floating Current Source
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