參數(shù)資料
型號: LM4040C20QDBZT
廠商: TEXAS INSTRUMENTS INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.048 V, PDSO3
封裝: GREEN, PLASTIC, SOT-23, 3 PIN
文件頁數(shù): 19/56頁
文件大?。?/td> 773K
代理商: LM4040C20QDBZT
TYPICAL CHARACTERISTICS
Temperature (_C)
V
Z
,Change
(%)
VZ = 2.5 V
IZ = 150 A
50 ppm/
°C
20 ppm/
°C
7 ppm/
°C
0.4
0.1
0
0.1
0.2
0.3
0.6
0.5
0.4
0.3
0.2
40
0
20
120
100
80
60
40
20
100
1k
1M
10k
100k
Frequency (Hz)
Z
,Dynamic
Output
Impedance
(
) 1000
100
10
1
0.1
VZ = 2.5 V
IZ = 150 A
TJ = 25°C
IZ,AC = 0.1 IZ
XC
No Capacitor
1
F
Tantanlum
Capacitor
100
1k
1M
10k
100k
Frequency (Hz)
Z
,Dynamic
Output
Impedance
(
) 1000
100
10
1
0.1
VZ = 2.5 V
IZ = 1 mA
TJ = 25°C
IZ,AC = 0.1 IZ
XC
No Capacitor
1-
F
Tantanlum
Capacitor
0
20
40
60
80
100
120
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VZ, Reverse Voltage (V)
I Z
,Cathode
Current
(
A)
VZ = 2.5 V
TJ = 25°C
0
1
2.5
1.5
2
0.5
3
1
100
100k
1k
10k
Frequency (Hz)
Noise
(
V
P
/Hz
)
10
1
0.1
10
VZ = 2.5 V
IZ = 200 A
TJ = 25°C
1
0
1
2
3
4
5
6
10
0
10
20
30
40
50
60
70
80
90
V
Z
(V)
VZ = 2.5 V
TJ = 25°C
RS = 30 k
Response Time (
s)
VIN
VZ
V
IN
(V)
6
4
2
0
2
4
6
8
10
12
LM4040
SLOS456K – JANUARY 2005 – REVISED MARCH 2008 .................................................................................................................................................. www.ti.com
Figure 1. Temperature Drift for Different Average
Figure 2. Output Impedance vs Frequency
Temperature Coefficients
Figure 3. Output Impedance vs Frequency
Figure 4. Temperature Drift for Different Average
Temperature Coefficient
Figure 5. Noise Voltage vs Frequency
Figure 6. Start-Up Characteristics
26
Copyright 2005–2008, Texas Instruments Incorporated
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