GUI for evaluation module (EVM)
AFE881H1EVM-GUI — AFE881H1EVM GUI installer
The AFE881H1EVM-GUI is a windows-based software GUI that controls the AFE881H1EVM through SPI communications using the USB2ANY interface adapter tool.
AFE88101
Single-channel low-power 16-bit DAC for sensor and field transmitter applications
Data sheet
AFE88101
- Functional Safety-Capable
- 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
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 sensor-transmitter 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 analog-to-digital converter (ADC). To accommodate intrinsic and functional-safety concerns, external voltage-to-current conversion and power regulation are required.
The internal diagnostic ADC is multiplexed to several internal nodes that enable an automatic self-health 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.
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Technical documentation
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View all 3 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | AFEx8101 16-Bit and 14-Bit, Low-Power DACs With Voltage Reference and Diagnostic ADC for 4-mA to 20-mA Loop-Powered Applications datasheet | PDF | HTML | 20 Dec 2022 |
| Application brief | Ultra-Low-Power, Low-Voltage, 2-Wire, 4- to 20-mA Loop Transmitter Using AFE881H | PDF | HTML | 03 Mar 2023 | |
| Functional safety information | AFE88101 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | PDF | HTML | 22 Aug 2022 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
AFE881H1EVM — AFE881H1 evaluation module for 16-bit low-power AFE with DAC, ADC, and HART® modem
The AFE881H1 evaluation module (EVM) is a platform for evaluating the AFE881H1, which is a highly-integrated, high-accuracy, extremely low-power, 16-bit digital-to-analog converter (DAC) with voltage outputs designed for HART®-enabled sensor transmitter applications.
AFE881H1 also features cyclic (...)
Calculation tool
ANALOG-ENGINEER-CALC — Analog engineer's calculator
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 operational-amplifier (...)
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
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 (...)
Simulation tool
TINA-TI — SPICE-based analog simulation program
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 (...)
User guide: PDF
| Package | Pins | Download |
|---|---|---|
| UQFN (RRU) | 24 | View options |
Ordering & quality
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