LT1009 2.5V 集成参考电路
| LT1009 | |
| VO(V) | 2.5 |
| Initial Accuracy @ 25/deg C(%) | 0.2 |
| Temp Coeff(Max)(ppm/ degree C) | 25 |
| Min Iz for Regulation(uA) | 400 |
| Iout/Iz(Max)(mA) | 10 |
| Pin/Package | 3TO-92, 8SOIC, 8TSSOP |
| Approx. Price (US$) | 0.60 | 1ku |
| Operating Temperature Range(°C) | -40 to 85,0 to 70 |
| Rating | Catalog |
LT1009 描述
The LT1009 reference circuit is a precision-trimmed 2.5-V shunt regulator featuring low dynamic impedance and a wide operating current range. The maximum initial tolerance is ±5 mV in the LP package and ±10 mV in the D and PW packages. The reference tolerance is achieved by on-chip trimming, which minimizes the initial voltage tolerance and the temperature coefficient, 
VZ.
Although the LT1009 needs no adjustments, a third terminal (ADJ) allows the reference voltage to be adjusted ±5% to eliminate system errors. In many applications, the LT1009 can be used as a terminal-for-terminal replacement for the LM136-2.5, which eliminates the external trim network.
The LT1009 uses include 5-V system references, 8-bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC) references, and power-supply monitors. The device also can be used in applications such as digital voltmeters and current-loop measurement and control systems.
The LT1009C is characterized for operation from 0°C to 70°C. The LT1009I is characterized for operation from –40°C to 85°C.
LT1009 特性
- Qualified for Automotive Applications
- 0.4% Initial Voltage Tolerance
- 0.2-Ω Typical Output Impedance
- Fast Turnon . . . 500 ns
- Sink Current Capability . . . 1 mA to 100 mA
- Low Reference Current (REF)
- Adjustable Output Voltage . . . VI(ref) to 36 V
LT1009 芯片订购指南
| 器件 | 状态 | 温度 (oC) | 价格（美元） | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| LT1009CD | ACTIVE | 0 to 70 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009CDE4 | ACTIVE | 0 to 70 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009CDG4 | ACTIVE | 0 to 70 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009CDR | ACTIVE | 0 to 70 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009CDRE4 | ACTIVE | 0 to 70 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009CDRG4 | ACTIVE | 0 to 70 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009CLP | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 1000 | BULK | LT1009C |
| LT1009CLPE3 | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 1000 | BULK | LT1009C |
| LT1009CLPM | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | AMMO | LT1009C |
| LT1009CLPME3 | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | AMMO | LT1009C |
| LT1009CLPR | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | LARGE T&R | LT1009C |
| LT1009CLPRE3 | ACTIVE | 0 to 70 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | LARGE T&R | LT1009C |
| LT1009CPK | OBSOLETE | 0 to 70 | SOT-89 (PK) | 3 | |||
| LT1009CPW | ACTIVE | 0 to 70 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009CPWE4 | ACTIVE | 0 to 70 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009CPWG4 | ACTIVE | 0 to 70 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009CPWR | ACTIVE | 0 to 70 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009CPWRE4 | ACTIVE | 0 to 70 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009CPWRG4 | ACTIVE | 0 to 70 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009ID | ACTIVE | -40 to 85 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009IDE4 | ACTIVE | -40 to 85 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009IDG4 | ACTIVE | -40 to 85 | 0.65 | 1ku | SOIC (D) | 8 | 75 | TUBE | 1009C |
| LT1009IDR | ACTIVE | -40 to 85 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009IDRE4 | ACTIVE | -40 to 85 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009IDRG4 | ACTIVE | -40 to 85 | 0.60 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | 1009C |
| LT1009ILP | ACTIVE | -40 to 85 | 0.60 | 1ku | TO-92 (LP) | 3 | 1000 | BULK | LT1009C |
| LT1009ILPE3 | ACTIVE | -40 to 85 | 0.60 | 1ku | TO-92 (LP) | 3 | 1000 | BULK | LT1009C |
| LT1009ILPR | ACTIVE | -40 to 85 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | LARGE T&R | LT1009C |
| LT1009ILPRE3 | ACTIVE | -40 to 85 | 0.60 | 1ku | TO-92 (LP) | 3 | 2000 | LARGE T&R | LT1009C |
| LT1009IPW | ACTIVE | -40 to 85 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009IPWE4 | ACTIVE | -40 to 85 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009IPWG4 | ACTIVE | -40 to 85 | 0.65 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 1009C |
| LT1009IPWR | ACTIVE | -40 to 85 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009IPWRE4 | ACTIVE | -40 to 85 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009IPWRG4 | ACTIVE | -40 to 85 | 0.60 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 1009C |
| LT1009QDR | OBSOLETE | -40 to 125 | SOIC (D) | 8 | 1009C | ||
| LT1009Y | OBSOLETE | DIESALE (Y) | 0 |
LT1009 应用技术支持与电子电路设计开发资源下载
- LT1009 数据资料 dataSheet 下载.PDF
- TI 德州仪器并联电压基准产品选型与价格参考 . xls
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
- Principles of Data Acquisition and Conversion (PDF 50 KB)
- Interleaving Analog-to-Digital Converters (PDF 64 KB)
- What Designers Should Know About Data Converter Drift (PDF 95 KB)
- Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
- Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)
LT1009 工具与软件
| 名称 | 型号 | 公司 | 工具/软件类型 |
| 针对 Code Composer Studio 的 DCPFREETOOL 软件插件 | DCPFREETOOL | Texas Instruments | 实用程序/插件 |
| MDACBufferPro Design Utility for Multiplying Digital to Analog Converter Design | MDACBUFFERPRO | Texas Instruments | 应用软件 |