DS3920 Maxim, DS3920 Datasheet - Page 3

• Manufacturer Part Number: DS3920
• Description: The DS3920 precision current mirror is designed for avalanche photodiode (APD) and PIN photodiode biasing and monitoring applications
• Manufacturer: Maxim

(T
A
= +25°C, unless otherwise noted.)
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0.01
0.01
0.1
0.1
10
10
-1
-2
-3
-4
-5
1
1
5
4
3
2
1
0
-40
-40
0
MIRIN CURRENT vs. MIRIN VOLTAGE
MIRIN CURRENT vs. TEMPERATURE
I
I
MIROUT
MIROUT
I
MIROUT
I
MIROUT
I
GAIN ERROR vs. TEMPERATURE
MIROUT
I
MIROUT
-15
-15
= 2.5mA
= 1µA
20
= 2.5mA
= 1µA
= 2.5mA
TEMPERATURE (°C)
TEMPERATURE (°C)
= 10mA
10
10
V
MIRIN
40
I
(V)
MIROUT
I
35
MIROUT
35
V
= 250µA
V
60
MIRIN
= 1µA
MIRIN
60
60
= 40V
= 40V
80
85
85
Typical Operating Characteristics
0.01
-0.5
-1.0
-1.5
-2.0
100
0.1
2.0
1.5
1.0
0.5
10
-1
-2
-3
-4
-5
1
5
4
3
2
1
0
0
0.001
0.001
0
MIRIN CURRENT vs. MIROUT CURRENT
V
V
GAIN ERROR vs. MIROUT CURRENT
MIRIN
MIRIN
GAIN ERROR vs. MIRIN VOLTAGE
Fast Current Mirror
I
MIROUT
= 40V
= 40V
0.01
0.01
20
= 5mA
I
I
MIROUT
MIROUT
I
I
MIROUT
MIROUT
V
MIRIN
0.1
0.1
40
= 2.5mA
= 10mA
(mA)
(mA)
(V)
I
MIROUT
60
1
1
= 1µA
10
10
80
DS3920