首頁 電源管理 電壓參考 系列電壓參考
首頁
電源管理
電壓參考
系列電壓參考

LM4132

現行

具停機啟用功能的 0.05% 20-ppm/ ° C 漂移精確序列電壓參考

立即訂購
產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
可直接投入的替代產品，相較於所比較的裝置，具備升級功能
REF4132 現行 12-ppm/°C 低雜訊低功耗精密電壓參考 The new REF4132 offers lower 12ppm/°C temperature drift, higher initial accuracy, and the same pinout & package as LM4132.

LM4132

現行
產品規格表 立即訂購

產品詳細資料

VO (V) 1.8, 2.048, 2.5, 3, 3.3, 4.1 Initial accuracy (max) (%) 0.05, 0.1, 0.2, 0.4, 0.5 Temp coeff (max) (ppm/°C) 10, 20, 30 Vin (min) (V) 2.2 Vin (max) (V) 5.5 Iq (typ) (mA) 0.06 Rating Catalog Features Enable pin LFN 0.1 to 10 Hz (typ) (µVPP) 170, 190, 240, 285, 310, 350 Iout/Iz (max) (mA) 20 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 3
VO (V) 1.8, 2.048, 2.5, 3, 3.3, 4.1 Initial accuracy (max) (%) 0.05, 0.1, 0.2, 0.4, 0.5 Temp coeff (max) (ppm/°C) 10, 20, 30 Vin (min) (V) 2.2 Vin (max) (V) 5.5 Iq (typ) (mA) 0.06 Rating Catalog Features Enable pin LFN 0.1 to 10 Hz (typ) (µVPP) 170, 190, 240, 285, 310, 350 Iout/Iz (max) (mA) 20 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 3
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
  • Output Initial Voltage Accuracy: 0.05%
  • Low Temperature Coefficient: 10 ppm/°C
  • Low Supply Current: 60 µA
  • Enable Pin Allowing a 3-µA Shutdown Mode
  • 20-mA Output Current
  • Voltage Options: 1.8 V, 2.048 V, 2.5 V, 3 V, 3.3 V, 4.096 V
  • Custom Voltage Options Available (1.8 V to 4.096 V)
  • VIN Range of VREF + 400 mV to 5.5 V at 10 mA
  • Stable With Low-ESR Ceramic Capacitors
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
  • Output Initial Voltage Accuracy: 0.05%
  • Low Temperature Coefficient: 10 ppm/°C
  • Low Supply Current: 60 µA
  • Enable Pin Allowing a 3-µA Shutdown Mode
  • 20-mA Output Current
  • Voltage Options: 1.8 V, 2.048 V, 2.5 V, 3 V, 3.3 V, 4.096 V
  • Custom Voltage Options Available (1.8 V to 4.096 V)
  • VIN Range of VREF + 400 mV to 5.5 V at 10 mA
  • Stable With Low-ESR Ceramic Capacitors

The LM4132 family of precision voltage references performs comparable to the best laser-trimmed bipolar references, but in cost-effective CMOS technology. The key to this breakthrough is the use of EEPROM registers for correction of curvature, temperature coefficient (tempco), and accuracy on a CMOS band-gap architecture allowing package-level programming to overcome assembly shift. The shifts in voltage accuracy and tempco during assembly of die into plastic packages limit the accuracy of references trimmed with laser techniques.

Unlike other LDO references, the LM4132 can deliver up to 20 mA and does not require an output capacitor or buffer amplifier. These advantages along with the SOT-23 packaging are important for space-critical applications.

Series references provide lower power consumption than shunt references, because they do not have to idle the maximum possible load current under no-load conditions. This advantage, the low quiescent current (60 µA), and the low dropout voltage (400 mV) make the LM4132 ideal for battery-powered solutions.

The LM4132 is available in five grades (A, B, C, D and E) for greater flexibility. The best grade devices (A) have an initial accuracy of 0.05% with a specified temperature coefficient of 10 ppm/°C or less, while the lowest grade devices (E) have an initial accuracy of 0.5% and a tempco of 30 ppm/°C.

The LM4132 family of precision voltage references performs comparable to the best laser-trimmed bipolar references, but in cost-effective CMOS technology. The key to this breakthrough is the use of EEPROM registers for correction of curvature, temperature coefficient (tempco), and accuracy on a CMOS band-gap architecture allowing package-level programming to overcome assembly shift. The shifts in voltage accuracy and tempco during assembly of die into plastic packages limit the accuracy of references trimmed with laser techniques.

Unlike other LDO references, the LM4132 can deliver up to 20 mA and does not require an output capacitor or buffer amplifier. These advantages along with the SOT-23 packaging are important for space-critical applications.

Series references provide lower power consumption than shunt references, because they do not have to idle the maximum possible load current under no-load conditions. This advantage, the low quiescent current (60 µA), and the low dropout voltage (400 mV) make the LM4132 ideal for battery-powered solutions.

The LM4132 is available in five grades (A, B, C, D and E) for greater flexibility. The best grade devices (A) have an initial accuracy of 0.05% with a specified temperature coefficient of 10 ppm/°C or less, while the lowest grade devices (E) have an initial accuracy of 0.5% and a tempco of 30 ppm/°C.
filter 尋找其它 系列電壓參考
下載 觀看有字幕稿的影片 影片

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 7
類型 標題 日期
* Data sheet LM4132, LM4132-Q1 SOT-23 Precision Low Dropout Voltage Reference datasheet (Rev. G) PDF | HTML 2016年 10月 13日
Application note Voltage Reference Selection and Design Tips For Data Converters (Rev. B) PDF | HTML 2024年 1月 9日
E-book Tips and tricks for designing with voltage references (Rev. A) 2021年 5月 7日
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019年 6月 28日
White paper Voltage reference selection basics white paper (Rev. A) 2018年 10月 23日
Functional safety information LM4132, LM4132-Q1 Pin FMEA 2018年 3月 12日
Technical article Find the 'Goldilocks' voltage reference for your application PDF | HTML 2016年 9月 2日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DIP-ADAPTER-EVM — DIP 轉接器評估模組

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

使用指南: PDF
TI.com 無法提供
模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
要求
參考設計

TIDEP0025 — 適用於工業通訊和馬達控制的單晶片驅動

This reference design implements hardware interface based on the HEIDENHAIN EnDat 2.2 standard for position or rotary encoders. The platform also allows you to implement real-time EtherCAT communications standards in a broad range of industrial automation equipment. It enables designs with a low (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00574 — Xilinx Zynq 7000 系列 5W 小型高效率低雜訊電源解決方案參考設計

The TIDA-00574 shows small solution size and high curren density & low noise power solution.  It supports internal sequencing and high output voltage accuracy.
Design guide: PDF
電路圖: PDF
參考設計

TIDEP0022 — 具有整合式 BiSS C 主介面的 ARM MPU 參考設計

Implementation of BiSS C Master protocol on Industrial Communication Sub-System (PRU-ICSS). The design provides full documentation and source code for Programmable Realtime Unit (PRU).
Design guide: PDF
電路圖: PDF
參考設計

TIDEP0035 — 具有整合式 HIPERFACE DSL 主介面的 ARM MPU 參考設計

This reference design implements HIPERFACE DSL master protocol on Industrial Communication Sub-System (PRU-ICSS). The two-wire interface allows integration of position feedback wires into motor cable.  It consists of AM437x PRU-ICSS firmware and TIDA-00177 transceiver reference design.
Design guide: PDF
電路圖: PDF
參考設計

TIDEP0050 — EnDat 2.2 系統參考設計

This reference design implements EnDat 2.2 Master protocol stack and hardware interface based on HEIDENHAIN EnDat 2.2 standard for position or rotary encoders. The design is composed of EnDat 2.2 Master protocol stack, half-duplex communications using RS-485 transceivers and the line termination (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00596 — 適用於伺服器線路卡的小尺寸解決方案多軌參考設計

The TIDA-00596 shows small solution size and high curren density power rails. Supports Internal Sequencing and high output voltage accuracy.
Design guide: PDF
電路圖: PDF
參考設計

TIDA-01504 — 配備 HART® 數據機的高準確度、迴路供電、4mA 至 20mA 現場傳送器參考設計

This reference design provides a solution for a loop-powered, highly-accurate, field (sensor) transmitter with a HART® modem. The design uses a partially-discrete 4-mA to 20-mA current transmitter, HART modem, microcontroller, and power conditioning blocks in realizing a smart field (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP22339 — 適用伺服器電池備援充電的高電壓 800-W SEPIC 轉換器參考設計

此非連續導通模式 (DCM) 非隔離式 800-W SEPIC 轉換器電池充電器參考設計提供可調式輸出電壓及電流。若將外部 DC 電壓設在 0 V 至 3 V 間，即可將輸出電壓調整爲 282 V 至 400 V。若調整 PWM 輸入的工作週期，則可在 0 A 至 2 A 間調整輸出充電電流。其運作輸入電壓範圍為 340 Vdc 至 420 Vdc。採用獨立電壓與電流回饋迴路來維持調節。
使用指南: PDF
電路圖: PDF
參考設計

TIDA-00719 — 適用於 SSD 的高度整合式電源參考設計

This reference design shows small highly integrated power size for SSD. It supports internal sequencing and high output voltage accuracy.
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23 (DBV) 5 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

以英文檢視所有論壇主題

內容係由 TI 和社群貢獻者依「現狀」提供，且不構成 TI 規範。檢視使用條款。

若有關於品質、封裝或訂購 TI 產品的問題，請參閱 TI 支援。​​​​​​​​​​​​​​

影片