位置:DAC161P997 > DAC161P997详情
DAC161P997中文资料
DAC161P997数据手册规格书PDF详情
1 Features
• 16-Bit Linearity
• Single-Wire Interface (SWIF), with Handshake
• Digital Data Transmission (No Loss of Fidelity)
• Pin Programmable Power-Up Condition
• Self Adjusting to Input Data Rate
• Loop Error Detection and Rreporting
• Programmable Output Current Error Level
• No External Precision Components
• Simple Interface to HART Modulator
• Small Package: WQFN-16 (4 x 4 mm, 0.5 mm
Pitch)
• Key Specifications
– Output Current TempCo: 29 ppmFS/°C (Max)
– Long-Term Output Current Drift: 90 ppmFS
(Typ)
– INL: 3.3/−2.1 μA(Max)
– Total Supply Current: 190 μA (Max)
2 Application
• Two-Wire, 4-20 mA Current Loop Transmitter
• Industrial Process Control
• Actuator Control
• Factory Automation
• Building Automation
• Precision Instruments
• Data Acquisition Systems
• Test Systems
3 Description
The DAC161P997 is a 16-bit ΣΔ digital-to-analog
converter (DAC) for transmitting an analog output current over an industry standard 4-20 mA current
loop. It offers 16-bit accuracy with a low output
current temperature coefficient (29 ppm/°C) and
excellent long-term output current drift (90 ppmFS) while consuming less than 190 μA.
The data link to the DAC161P997 is a Single Wire Interface (SWIF) which allows sensor data to be
transferred in digital format over an isolation
boundary using a single isolation component. The
DAC161P997’s digital input is compatible with
standard isolation transformers and opto-couplers. Error detection and handshaking features within the
SWIF protocol ensure error free communication
across the isolation boundary. For applications where
isolation is not required, the DAC161P997 interfaces
directly to a microcontroller.
The loop drive of the DAC161P997 interfaces to a
HART (Highway Addressable Remote Transducer) modulator, allowing injection of FSK modulated digital
data into the 4-20 mA current loop. This combination
of specifications and features makes the
DAC161P997 ideal for 2- and 4-wire industrial
transmitters.
The DAC161P997 is available in a 16–lead WQFN
package and is specified over the extended industrial temperature range of -40°C to 105°C.
DAC161P997产品属性
- 类型
描述
- 型号
DAC161P997
- 制造商
TI
- 制造商全称
Texas Instruments
- 功能描述
DAC161P997 Single-Wire 16-bit DAC for 4-20mA Loops
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI(德州仪器) |
24+ |
标准封装 |
7248 |
原厂直销,大量现货库存,交期快。价格优,支持账期 |
|||
Texas Instruments |
25+ |
16-WFQFN 裸露焊盘 |
25000 |
Texas Instruments~ADC/DAC转换DAC161P997CISQX/NOPB即刻询 |
|||
TI |
25+ |
212 |
公司原装现货常备库存! |
||||
TI/德州仪器 |
24+ |
WQFN16 |
19 |
只做原厂渠道 可追溯货源 |
|||
TI |
23+ |
WQFN |
7550 |
原厂原装正品 |
|||
TI |
2021+ |
WQFN16 |
6800 |
原厂原装,欢迎咨询 |
|||
BURR-BROWN |
2023+ |
SOP14 |
53200 |
正品,原装现货 |
|||
TI/德州仪器 |
24+ |
WQFN16 |
12000 |
现货、进口原装、假一罚万,价格最低 |
|||
TI(德州仪器) |
24+ |
WQFN-16 |
8048 |
原厂可订货,技术支持,直接渠道。可签保供合同 |
|||
TI/德州仪器 |
23+/24+ |
QFN |
9865 |
进口原装/原盒原标/原厂渠道 |
DAC161P997EVAL/NOPB 价格
参考价格:¥1034.9167
DAC161P997 资料下载更多...
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