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AFE88101RRUR中文资料

厂家型号

AFE88101RRUR

文件大小

4182.42Kbytes

页面数量

89

功能描述

AFEx8101 16-Bit and 14-Bit, Low-Power DACs With Voltage Reference and Diagnostic ADC for 4-mA to 20-mA Loop-Powered Applications

数据手册

下载地址一下载地址二到原厂下载

生产厂商

Texas Instruments(TI)

简称

TI1德州仪器

中文名称

德州仪器 (TI)官网

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AFE88101RRUR数据手册规格书PDF详情

1 Features

• Functional Safety-Capable

– Documentation available to aid functional safety

system design: AFE88101, AFE78101

• Low quiescent current: 170 μA (typ)

• 16-bit or 14-bit monotonic high-performance DAC

– 1.8-V supply: 0.15 V to 1.25 V, 0.2 V to 1.0 V

– 5-V supply: 0.3 V to 2.5 V, 0.4 V to 2.0 V

– 4-LSB INL at 16 bits

– 0.07 FSR (max) TUE from –40°C to +125°C

• 12-bit 3.84-kSPS ADC for advanced diagnostics

• Integrated 1.25-V reference at 10 ppm/°C

• Internal 1.2288-MHz oscillator with clock output

• Digital interfaces:

– Serial peripheral interface (SPI)

– Universal asynchronous receiver-transmitter

(UART)

• Fault detection: CRC bit error checking, windowed

watchdog timer, diagnostic ADC

• Wide operating temperature: –55°C to +125°C

2 Applications

• 2-wire transmitters

• 4-mA to 20-mA loop-powered applications

• Process control and industrial automation

• Smart transmitters

• PLC or DCS I/O modules

3 Description

The 16-bit AFE88101 and 14-bit AFE78101

(AFEx8101) are highly-integrated, high-accuracy,

extremely low-power digital-to-analog converters

(DACs) with voltage outputs designed for sensortransmitter

applications.

The AFEx8101 devices include most of the

components required to design a 4‑mA to 20‑mA,

2‑wire (loop-powered) sensor transmitter. In addition

to the highly accurate DAC, these devices include a

10‑ppm/°C voltage reference and a diagnostic analogto-

digital converter (ADC). To accommodate intrinsic

and functional-safety concerns, external voltage-tocurrent

conversion and power regulation are required.

The internal diagnostic ADC is multiplexed to

several internal nodes that enable an automatic selfhealth

check. This check is capable of detecting

errors or malfunctions of the internal bias sources,

power regulator, voltage reference, DAC output, die

temperature, and optional external voltage source. If

any fault is detected from the diagnostic ADC, CRC

frame-error checking, or windowed watchdog timer,

the devices can optionally issue an interrupt, enter a

fail-safe state corresponding to a standard NAMUR

output value or user-specified custom value, or both.

These devices operate from supplies as low as 1.71 V

with a maximum quiescent current of 210 μA. The

devices are specified over the temperature range of

–40°C to +125°C, but are functional from –55°C to

+125°C.

更新时间:2024-10-31 17:41:00
供应商 型号 品牌 批号 封装 库存 备注 价格
Texas Instruments
2022+
24-UQFN(4x4)
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原装正品 支持实单
MURATA/村田
23+
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全新原装正品现货,支持订货

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Texas Instruments(TI) 德州仪器 (TI)

中文资料: 174227条

德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。德州仪器是推动互联网时代不断发展的半导体引擎,作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,凭借性能卓越的半导体解决方案不断推动着互联网时代的前进步伐。TI预想未来世界的方方面面都渗透着TI产品的点点滴滴,每个电话、每次上网、拍的每张照片、听的每