參數(shù)資料
型號(hào): LM4125
廠商: National Semiconductor Corporation
英文描述: Precision Micropower Low Dropout Voltage Reference
中文描述: 精密微功耗低壓差電壓基準(zhǔn)
文件頁數(shù): 4/12頁
文件大?。?/td> 300K
代理商: LM4125
Electrical Characteristics
LM4125-2.048V and 2.5V
Unless otherwise specified V
IN
= 3.3V, I
LOAD
= 0, C
OUT
= 0.01μF, T
A
= T
j
= 25C.
Limits with standard typeface are for T
j
= 25C, and limits in
boldface type
apply over the 40C
T
A
+85C temperature
range. (Continued)
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
100
Max
(Note 5)
Units
V
OUT
Long Term Stability
(Note 9)
1000 hrs.
@
25C
ppm
Electrical Characteristics
LM4125-4.096V
Unless otherwise specified V
= 5V, I
= 0, C
= 0.01μF, T
= T
= 25C. Limits with standard typeface are for T
j
=
25C, and limits in
boldface type
apply over the 40C
T
A
+85C temperature range.
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note
4)
Max
(Note
5)
Units
V
OUT
Output Voltage Initial
Accuracy
LM4125A-4.096
LM4125-4.096
Temperature
Coefficient
Line Regulation
±
0.2
%
±
0.5
50
%
TCV
OUT
/C
40C
T
A
+125C
14
ppm/c
V
OUT
/
V
IN
5V
V
IN
6V
0.0007
0.008
0.01
0.08
0.17
0.04
0.1
0.12
%/V
V
OUT
/
I
LOAD
Load Regulation
0 mA
I
LOAD
1 mA
0.03
%/mA
1 mA
I
LOAD
5 mA
0.01
1 mA
I
LOAD
0 mA
5 mA
I
LOAD
1 mA
I
LOAD
= 0 mA
0.04
0.01
45
V
IN
V
OUT
Dropout Voltage
(Note 6)
65
100
150
200
210
300
mV
I
LOAD
= +1 mA
120
I
LOAD
= +5 mA
180
V
N
Output Noise Voltage
(Note 8)
0.1 Hz to 10 Hz
10 Hz to 10 kHz
20
36
160
μV
PP
μV
PP
μA
I
S
Supply Current
257
290
I
SC
Short Circuit Current
V
OUT
= 0
15
mA
6
30
V
IN
= 6V, V
OUT
= 0
17
6
30
Hyst
Thermal Hysteresis
(Note 7)
Long Term Stability
(Note 9)
40C
T
A
125C
0.5
mV/V
V
OUT
1000 hrs.
@
25C
100
ppm
L
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