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| 型号： | LM4040EIM3-2.0/NOPB |
| 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, 2.048 V, PDSO3 |
| 封装： | PLASTIC, TO-236AB, SOT-23, 3 PIN |
| 文件页数： | 1/31页 |
| 文件大小： | 752K |
| 代理商： | LM4040EIM3-2.0/NOPB |
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LM4040
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4040 precision
voltage reference is available in the sub-miniature SC70 and
SOT-23 surface-mount package. The LM4040’s advanced
design eliminates the need for an external stabilizing capaci-
tor while ensuring stability with any capacitive load, thus
making the LM4040 easy to use. Further reducing design
effort is the availability of several fixed reverse breakdown
voltages: 2.048V, 2.500V, 3.000V, 4.096V, 5.000V, 8.192V,
and 10.000V. The minimum operating current increases from
60 A for the LM4040-2.5 to 100 A for the LM4040-10.0. All
versions have a maximum operating current of 15 mA.
The LM4040 utilizes fuse and zener-zap reverse breakdown
voltage trim during wafer sort to ensure that the prime parts
have an accuracy of better than ±0.1% (A grade) at 25C.
Bandgap reference temperature drift curvature correction
and low dynamic impedance ensure stable reverse break-
down voltage accuracy over a wide range of operating tem-
peratures and currents.
Also available is the LM4041 with two reverse breakdown
voltage versions: adjustable and 1.2V. Please see the
LM4041 data sheet.
Features
n
Small packages: SOT-23, TO-92 and SC70
n
No output capacitor required
n
Tolerates capacitive loads
n
Fixed reverse breakdown voltages of 2.048V,
2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V
Key Specifications (LM4040-2.5)
j Output voltage tolerance
(A grade, 25C)
±0.1% (max)
j Low output noise
(10 Hz to 10 kHz)
35 V
rms(typ)
j Wide operating current range
60 A to 15 mA
j Industrial temperature range
40C to +85C
j Extended temperature range
40C to +125C
j Low temperature coefficient
100 ppm/C (max)
Applications
n
Portable, Battery-Powered Equipment
n
Data Acquisition Systems
n
Instrumentation
n
Process Control
n
Energy Management
n
Product Testing
n
Automotive
n
Precision Audio Components
Connection Diagrams
SOT-23
TO-92
SC70
01132301
*This pin must be left floating or connected to
pin 2.
Top View
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
01132303
Bottom View
See NS Package Number Z03A
01132330
*This pin must be left floating or connected to pin
1.
Top View
See NS Package Number MAA05A
April 2005
LM4040
Precision
Micropower
Shunt
V
oltage
Reference
2005 National Semiconductor Corporation
DS011323
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4040EIM3-3.0/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 |
| LM4040EIM3X-2.0/NOPB | 功能描述:IC VREF SHUNT PREC 2.048V SOT23 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:5V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:80µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:TO-236-3，SC-59，SOT-23-3 供应商设备封装:SOT-23-3 包装:带卷 (TR) 其它名称:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LM4040EIM3X-2.5 | 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 |
| LM4040EIM3X-2.5/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 |
| LM4040EIM3X-3.0/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 |
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