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參數(shù)資料
| 型號： | LM4051 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Precision Micropower Shunt Voltage Reference |
| 中文描述： | 50ppm/°C、高精度、微功耗并聯(lián)型電壓基準，提供多種反向擊穿電壓 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 301K |
| 代理商： | LM4051 |
LM4051-ADJ (Adjustable)
Electrical Characteristics
Boldface limits apply for T
A
= T
J
= T
to T
;
all other limits T
= 25C unless otherwise specified (SSOT-23, see (Note 7)
, I
≤
I
R
≤
12 mA, V
≤
V
≤
10V. The grades A, B and C designate initial Reference Voltage Tolerances of
±
0.1%,
±
0.2% and
±
0.5%, respectively for V
OUT
= 5V.
Typical
(Note 4)
V
REF
Reference Voltage
I
R
= 100 μA, V
OUT
= 5V
Reference Voltage
Tolerance (Note 6),
(Note 8)
I
RMIN
Minimum Operating
Current
Symbol
Parameter
Conditions
LM4051AIM3
(Note 5)
LM4051BIM3
(Note 5)
LM4051CIM3
(Note 5)
Units
(Limit)
V
mV (max)
mV (max)
1.212
I
R
= 100 μA, V
OUT
= 5V
±
1.2
±
5.2
±
2.4
±
6.4
±
6
±
10.1
36
60
65
60
65
65
70
μA
μA (max)
μA (max)
mV
mV (max)
mV(max)
mV
mV (max)
mV (max)
mV/V
mV/V (max)
mV/V (max)
nA
nA (max)
nA (max)
V
REF
/
I
R
Reference
VoltageChange with
Operating Current
Change
I
RMIN
≤
I
R
≤
1mA
V
OUT
≥
1.6V
(Note 7)
1 mA
≤
I
R
≤
12 mA
V
OUT
≥
1.6V(Note 7)
0.3
1.1
1.5
1.1
1.5
1.1
1.5
0.6
6
8
6
8
6
8
V
REF
/
V
O
Reference Voltage
Changewith Output
Voltage Change
I
FB
Feedback Current
I
R
= 0.1 mA
1.69
2.8
3.5
2.8
3.5
2.8
3.5
70
130
150
130
150
130
150
V
REF
/
T
Average
ReferenceVoltage
Temperature
Coefficient (Note 8)
V
OUT
= 2.5V
I
R
= 10mA
I
R
= 1mA
I
R
= 100μA
20
15
15
ppm/C
ppm/C
ppm/C
(max)
±
50
±
50
±
50
T = 40C to +125C
I
R
= 1 mA,
f = 120 Hz,
I
AC
= 0.1 I
R
V
OUT
= V
REF
V
OUT
= 10V
I
R
= 100 μA
V
OUT
= V
REF
10 Hz
≤
f
≤
10 kHz
t = 1000 hrs,
I
R
= 100 μA
T = 25C
±
0.1C
T = 40C to +125C
Z
OUT
Dynamic Output
Impedance
0.3
2
20
e
N
Wideband Noise
μV
rms
V
REF
Reference Voltage
Long Term Stability
(Note 9)
Output Hysteresis
(Note 10)
120
ppm
V
HYST
0.3
mV/V
L
www.national.com
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| LM4051AEM3-1.2 | 功能描述:IC VREF SHUNT PREC 1.225V SOT23 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:1 系列:- 基準類型:串聯(lián)，精度 輸出電壓:4.5V 容差:±800µV 溫度系數(shù):1ppm/°C 輸入電壓:13.5 V ~ 22 V 通道數(shù):1 電流 - 陰極:- 電流 - 靜態(tài):7mA 電流 - 輸出:10mA 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:20-LCC 供應商設備封裝:20-CLCC 包裝:管件 |
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| LM4051AEM3-1.2+T | 功能描述:基準電壓& 基準電流 50ppm/C Prec uPower Shunt V-Ref w/Rev RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM4051AEM3-1.2-T | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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