spx385am1-l-2-5-tr Exar Corporation, spx385am1-l-2-5-tr Datasheet - Page 3

• Manufacturer Part Number: spx385am1-l-2-5-tr
• Description: 2.5 -micropower Voltage Reference
• Manufacturer: Exar Corporation

Figure 7a. Precision 1µA to 1mA Current Sink
Date: 02/29/2008
Figure 5. Reference Voltage vs. Ambient Temperature
Figure 3. Test Circuit
-1.5V to -27V
* I
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
-60
V
OUT
IN
I
K
= 2.5V
I
OUT
= 10mA
68k
R1
-30
R2
V
*
REF
T
A
= 2.500V at 25°C
- Ambient Temperature (°C)
0
2
3
–
+
LM312
30
-30V
I
4
K
7
60
SPX385-2.5
150pF
V
C1
R2
KA
SPX385-2.5 Micropower Voltage Reference
6
90
120
TYPICAL PERFORMANCE CHARACTERISTICS
3
Figure 7b. Precision 1µA to 1mA Current Source
Figure 4. High Current Operating Characteristics
Figure 6. Low Current Operating Characteristics
1.5V to 27V
* I
-10
-15
-20
30
25
20
15
10
-5
5
0
OUT
45
30
15
-2
0
-1.0
Temperature Range: 0°C to 85°C
= 2.5V
I
OUT
68k
R1
R2
*
-1
V
V
KA
0
KA
V
- Cathode Voltage (V)
KA
- Cathode Voltage (V)
2
3
0
–
+
LM312
85°C
25°C
-0°C
© Copyright 2008 Exar Corporation
30V
1.0
4
7
1
SPX385-2.5
150pF
C1
R2
2.0
6
2
3.0
3