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参数资料
| 型号： | LM4051AI1.2MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, UUC |
| 封装： | WAFER |
| 文件页数： | 13/18页 |
| 文件大小： | 439K |
| 代理商： | LM4051AI1.2MWC |
LM4051-ADJ (Adjustable)
Electrical Characteristics
Boldface limits apply for T
,I
RMIN
≤ I
R
≤ 12 mA, V
REF
≤ V
OUT
≤ 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.
Symbol
Parameter
Conditions
Typical
LM4051AIM3
LM4051AEM3
(Limits)
LM4051BIM3
LM4051BEM3
(Limits)
LM4051CIM3
LM4051CEM3
(Limits)
Units
(Limit)
VREF
Reference Voltage
IR = 100 A, VOUT = 5V
1.212
V
Reference Voltage Tolerance
IR = 100 A, VOUT =5V
±1.2
±2.4
±6
mV (max)
Industrial Temp. Range
±5.2
±6.4
±10.1
mV (max)
Extended Temp. Range
±7.4
±8.6
±12.2
mV (max)
IRMIN
Minimum Operating Current
36
A
60
65
A (max)
Industrial Temp. Range
65
70
A (max)
Extended Temp. Range
70
75
A (max)
VREF/IR Reference Voltage Change
with Operating Current
Change
IRMIN ≤ IR ≤ 1mA
VOUT ≥ 1.6V
0.3
mV
1.1
mV(max)
1.5
mV(max)
1mA
≤ IR ≤ 12 mA
0.6
mV
6
mV (max)
888
mV (max)
VREF/VO Reference Voltage
Changewith Output Voltage
Change
IR = 0.1 mA
1.69
mV/V
2.8
mV/V (max)
3.5
mV/V (max)
IFB
Feedback Current
70
nA
130
nA (max)
150
nA (max)
VREF/T
Average Reference Voltage
Temperature Coefficient
VOUT = 2.5V
IR = 10mA
20
ppm/C
IR = 1mA
15
ppm/C
IR =100A
15
±50
ppm/C (max)
T = 40C to +125C
ZOUT
Dynamic Output Impedance
IR = 1 mA,
f = 120 Hz,
IAC = 0.1 IR
VOUT =VREF
VOUT = 10V
0.3
2
eN
Wideband Noise
IR = 100 A
VOUT =VREF
10 Hz
≤ f ≤ 10 kHz
20
Vrms
VREF
Reference Voltage
Long Term Stability
t = 1000 hrs,
IR = 100 A
T = 25C ±0.1C
120
ppm
VHYST
Thermal Hysteresis
T = 40C to +125C
0.3
mV/V
LM4051
www.national.com
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4051AIM3-1.2 | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| LM4051AIM3-1.2 | 制造商:Texas Instruments 功能描述:IC SM PRECISION REFERENCE 0.1% 1.2V |
| LM4051AIM3-1.2/NOPB | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| LM4051AIM3-1.2/NOPB | 制造商:Texas Instruments 功能描述:Voltage Reference |
| LM4051AIM3-1.2+ | 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 1.225V 15MA 3PIN SOT-23 - Cut Tape Product |
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