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REF200 Scheda tecnica(PDF) 9 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Il numero della parte REF200
Spiegazioni elettronici  DUAL CURRENT SOURCE/CURRENT SINK
PDF  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

REF200 Scheda tecnica(HTML) 9 Page - Burr-Brown (TI)

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®
REF200
9
R
100µA
Reference
–V
100µA
S
R
2
0.01µF
R
(N • R )
2
1
I
= N • 100µA
OUT
(1)
R
(N • R )
2
1
I
= N • 100µA
OUT
(1)
100µA
0.01µF
R
2
+V
S
+V
100µA
S
OPA602
0.01µF
NR
I = (N +1) 100µA
O
R
0.01µF
NR
I = (N +1) 100µA
O
R
100µA
OPA602
0.01µF
NR
I = (N +1) 100µA
O
10pF
(a)
(b)
(d)
(c)
(e)
–V
S
OPA602
RNR
I
OUT
1k
Ω
4k
Ω
500
µA
1k
Ω
9k
Ω
1mA
100k
Ω
9.9k
Ω
10mA
EXAMPLES
FEATURES:
(1) Zero volts shunt compliance.
(2) Adjustable only to values above
reference value.
NOTE:
Current source/sink swing to the
“Load Return” rail is limited only
by the op amp's input common
mode range and output swing
capability. Voltage drop across “R”
can be tailored for any amplifier to
allow swing to zero volts from rail.
NOTE: (1) Burr Brown® OPA602 or OPA128
EXAMPLES
R
1
R
2
I
OUT
100
Ω
10M
Ω
1nA
10k
Ω
1M
Ω
1
µA
10k
Ω
1k
Ω
1mA
Use OPA128
I
O = 100µA (N + 1). Compliance ≈ 3.5V
with 0.1V across R. Max I
O
limited by FET.
For I
O = 1A, R = 0.1Ω, NR = 1kΩ.
FIGURE 10. Adjustable Current Sources.



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