參數(shù)資料
型號： LM4040DIM7X-2.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準電壓源/電流源
英文描述： Precision Micropower Shunt Voltage Reference
中文描述： 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.048 V, PDSO5
封裝： SC-70, 5 PIN
文件頁數(shù)： 17/39頁
文件大?。?/td> 482K
代理商： LM4040DIM7X-2.0
www.ti.com
LM4040x41I Electrical Characteristics
at industrial temperature range, full-range T
A
= –40
°
C to 85
°
C (unless otherwise noted)
V
Z
I
Z
LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456I–JANUARY 2005–REVISED DECEMBER 2005
LM4040A41I
MIN
4.096
–4.1
–31
LM4040B41I
MIN
4.096
–8.2
–35
PARAMETER
TEST CONDITIONS
T
A
UNIT
TYP
MAX
TYP
MAX
V
Z
Reverse breakdown voltage
I
Z
= 100
μ
A
25
°
C
25
°
C
V
4.1
31
83
88
8.2
35
83
88
Reverse breakdown voltage
tolerance
V
Z
I
Z
= 100
μ
A
mV
Full range
25
°
C
Full range
25
°
C
25
°
C
Full range
25
°
C
25
°
C
Full range
25
°
C
Full range
50
50
I
Z,min
Minimum cathode current
μ
A
I
Z
= 10 mA
±
30
±
20
±
30
±
20
Average temperature coefficient
of reverse breakdown voltage
α
VZ
I
Z
= 1 mA
ppm/
°
C
±
100
±
100
I
Z
= 100
μ
A
±
20
0.5
±
20
0.5
0.9
1.2
0.9
1.2
I
Z,min
< I
Z
< 1 mA
Reverse breakdown voltage
change with cathode current
change
mV
3
7
3
7
1 mA < I
Z
< 15 mA
10
10
I
Z
= 1 mA, f = 120 Hz,
I
AC
= 0.1 I
Z
I
= 100
μ
A,
10 Hz
≤
f
≤
10 kHz
t = 1000 h,
T
A
= 25
°
C
±
0.1
°
C,
I
Z
= 100
μ
A
T
A
= –40
°
C to 125
°
C
Z
Z
Reverse dynamic impedance
25
°
C
0.5
1
0.5
1
e
N
Wideband noise
25
°
C
80
80
μ
V
RMS
Long-term stability of reverse
breakdown voltage
120
120
ppm
V
HYST
Thermal hysteresis
(1)
0.08
0.08
%
(1)
Thermal hysteresis is defined as V
Z,25
°
C
(after cycling to –40
°
C) – V
Z,25
°
C
(after cycling to 125
°
C).
17
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