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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
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
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