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DAC161S997
- 16-Bit Resolution
- Very-Low Supply Current of 100 µA
- 5 ppmFS/°C Gain Error
- Pin-Programmable Power-Up Condition
- Loop-Error Detection and Reporting
- Programmable Output-Current Error Levels
- Simple HART Modulator Interfacing
- Highly Integrated Feature Set in Small
Footprint WQFN-16 (4- × 4-mm,
0.5-mm Pitch)
The DAC161S997 is a very low power 16-bit ΣΔ digital-to-analog converter (DAC) for transmitting an analog output current over an industry standard 4-20 mA current loop. The DAC161S997 has a simple 4-wire SPI for data transfer and configuration of the DAC functions. To reduce power and component count in compact loop-powered applications, the DAC161S997 contains an internal ultra-low power voltage reference and an internal oscillator. The low power consumption of the DAC161S997 results in additional current being available for the remaining portion of the system. The loop drive of the DAC161S997 interfaces to a Highway Addressable Remote Transducer (HART) modulator, allowing injection of FSK modulated digital data into the 4-20 mA current loop. This combination of specifications and features makes the DAC161S997 ideal for 2- and 4-wire industrial transmitters. The DAC161S997 is available in a 16-pin 4-mm × 4-mm WQFN package and is specified over the extended industrial temperature range of –40°C to +105°C.
技術文件
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檢視所有 7 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | DAC161S997 16-Bit SPI-Programmable DAC for 4-20 mA Loops datasheet (Rev. A) | PDF | HTML | 2014年 12月 29日 |
| Analog Design Journal | 如何將理想二極體控制器作為太陽能應用 中的可擴展輸入旁路開關使用 | PDF | HTML | 2024年 6月 27日 | |
| Analog Design Journal | 設計 4mA 至 20mA 迴路供電發送器 | PDF | HTML | 2024年 6月 26日 | |
| Application note | A Basic Guide to the HART Protocol | PDF | HTML | 2023年 11月 9日 | |
| Circuit design | Loop powered 4- to 20-mA transmitter circuit | 2018年 12月 20日 | ||
| Technical article | Powering smart sensor transmitters in industrial applications | PDF | HTML | 2016年 5月 2日 | |
| EVM User's guide | DAC161S997EVM User's Guide (Rev. A) | 2016年 2月 29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
DAC161S997EVM — 具有內部參考和 4mA 至 20mA 電流迴路驅動的 DAC161S997 16 位元 DAC 評估模組
DAC161S997EVM helps evaluate the DAC161S997, 4-20mA Loop driver with SPI interface. This board is designed as a 2-Wire loop-powered transmitter. It has a MSP430G2553 MCU which comes preloaded with a firmware which communicates with PC Software and can read/write DAC register according to the user (...)
使用指南: PDF
計算工具
ANALOG-ENGINEER-CALC — 類比工程師計算機
The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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 (...)
模擬工具
TINA-TI — 基於 SPICE 的類比模擬程式
TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
參考設計
TIDA-00666 — 具備 BLE 連線能力且由 4 至 20mA 電流迴路供電的現場傳送器參考設計
TIDA-00666 enables Bluetooth Low Energy communication powered from a 2-wire 4- to 20-mA loop. For industrial process control instruments, analog 4- to 20-mA current loops are commonly used for analog signaling, with 4 mA representing the lowest end of the range and 20 mA the highest. This (...)
參考設計
TIDA-00095 — 適用於 2 線、4 至 20-mA 電流迴路系統的 RTD 溫度發射器
This comprehensive design provides a complete system that measures and processes temperature signals inputs from 2-wire, 3-wire, and 4-wire resistance temperature detectors (RTDs) and outputs a 4 to 20-mA current-loop signal corresponding to the temperature processed from the RTD inputs. It (...)
參考設計
TIDA-00483 — 採用單電流迴路和 FSK 調變的雙路感測器量測參考設計
The TIDA-00483 reference design demonstrates a 4-20mA current loop subsystem capable of measuring the surrounding environment and communicating the temperature, humidity, and ambient light over the loop. The small footprint of the design contains all sensors, filters, and control circuitry to (...)
參考設計
TIDA-00648 — 4-20mA 電流迴路發送器參考設計
TIDA-00648 is an industry standard 4-20 mA current-loop transmitter. It allows injection of FSK-modulated digital data into the 4-20 mA current loop for HART communication. External protection circuitry is deployed in-place for compliance with regulatory IEC61000-4 standards such as EFT, ESD and (...)
參考設計
TIDA-00165 — 小體積、2 線 4 至 20mA 電流迴路 RTD 溫度發射器參考設計
This is a reference design for a robust, low power, precise and long-term stable 2-wire loop powered 4 to 20mA current output temperature transmitter. It uses RTD temperature sensor with 4 to 20mA current loop transmitter. It also explains sensor signal conditioning, ratiometric measurement (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| WQFN (RGH) | 16 | Ultra Librarian |
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
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。