参数资料
型号: LM385BDG4-2-5
厂商: TEXAS INSTRUMENTS INC
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8
封装: GREEN, PLASTIC, SOIC-8
文件页数: 13/18页
文件大小: 473K
代理商: LM385BDG4-2-5
LM2852.5, LM3852.5, LM385B2.5
MICROPOWER VOLTAGE REFERENCES
SLVS023J JANUARY 1989 REVISED MARCH 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 1
A
I R
1
0.1
0
0.5
1
1.5
10
REVERSE CURRENT
vs
REVERSE VOLTAGE
100
2.5
3
Reverse
Current
2
VR Reverse Voltage V
TA = 55°C to 125°C
V
Z
12
4
0
4
8
0.01
0.1
1
10
100
Reference
V
oltage
Change
mV
16
REFERENCE VOLTAGE CHANGE
vs
REVERSE CURRENT
IR Reverse Current mA
TA = 55°C to 125°C
Figure 2
V
F
0.8
0.4
0
1.2
0.01
0.1
1
10
100
Forward
V
o
ltage
V
1.6
FORWARD VOLTAGE
vs
FORWARD CURRENT
IF Forward Current mA
TA = 25°C
0.6
0.2
1
1.4
Figure 3
V
Z
2.495
2.48
55 35 15
5
2.505
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.525
45
65
Reference
V
o
ltage
V
25
TA Free-Air Temperature °C
2.485
2.49
2.5
2.51
2.515
2.52
IZ = 20 A to 20 mA
105 125
85
Figure 4
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
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