Datasheet

®
REF200
14
FIGURE 22. Voltage Reference.FIGURE 21. Low-Voltage Reference.
FIGURE 23. Bipolar Limiting Circuit.
FIGURE 24. Limiting Circuit.
100µA
1Ω
+V
V = 100µV
S
O
100µA
10kΩ
+V
V = 1V
S
O
OPA602
0.01µF
100µA
with bridge
(See Figure 2)
OPA121
100µF
V
O
OPA121
V
I
R
(50kΩ)
1kΩ
V = V (–5V < V < 5V)
V = 5V (V > 5V)
V = –5V (V < –5V)
(Bound = 100µA • R)
O
O
O
I I
I
I
–10 –5 +5 +10
–10
–5
+5
+10
O
V
V
I
+7.5V (R = 75kΩ)
+5V (R = 50kΩ)
+2.5V (R = 25kΩ)
–2.5V (R = 25kΩ)
+5V (R = 50kΩ)
+7.5V (R = 75kΩ)
R
(50kΩ)
OPA121
100µF
V
O
OPA121
V
I
100µA
1kΩ
1N4148
V = V (V < 5V)
V = 5V (V > 5V)
(V = 100µA • R)
O
O
I I
I
LIMIT
–10 –5 +5 +10
–10
–5
+5
+10
O
V
V
I
+7.5V (R = 75kΩ)
+5V (R = 50kΩ)
+2.5V (R = 25kΩ)