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AFE532A3W

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10-bit 300-mA current-source DAC with 10-bit SAR ADC, 10-bit VDAC, NVM and GPI

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Data sheet

AFE532A3W

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 10 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage, Unbuffered Current Settling time (µs) 20 Features Small WCSP Package, Smart DAC Reference type Ext Rating Catalog Sample/update rate (Msps) 2.5 Operating temperature range (°C) -40 to 125
Resolution (Bits) 10 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage, Unbuffered Current Settling time (µs) 20 Features Small WCSP Package, Smart DAC Reference type Ext Rating Catalog Sample/update rate (Msps) 2.5 Operating temperature range (°C) -40 to 125
DSBGA (YBH) 16 2.56 mm² 1.6 x 1.6
  • Current-source DAC:
    • 1-LSB DNL
    • Two ranges: 300 mA and 220 mA
    • 770-mV headroom
  • Dual voltage-output DACs:
    • 1-LSB DNL
    • Gains of 1 ×, 1.5 ×, 2 ×, 3 ×, and 4 ×
  • ADC input on channel 1
  • Programmable comparator mode on channel 1
  • High-impedance output when VDD is off
  • High-impedance and resistive pulldown power-down modes
  • 50-MHz SPI-compatible interface
  • Automatically detects I 2C or SPI
    • 1.62-V V IH with V DD = 5.5 V
  • General-purpose input/output (GPIO) configurable as multiple functions
  • Predefined waveform generation: sine, cosine, triangular, sawtooth
  • User-programmable nonvolatile memory (NVM)
  • Internal or power-supply as reference
  • Wide operating range:
    • Power supply: 3 V to 5.5 V
    • Temperature: –40˚C to +125˚C
  • Current-source DAC:
    • 1-LSB DNL
    • Two ranges: 300 mA and 220 mA
    • 770-mV headroom
  • Dual voltage-output DACs:
    • 1-LSB DNL
    • Gains of 1 ×, 1.5 ×, 2 ×, 3 ×, and 4 ×
  • ADC input on channel 1
  • Programmable comparator mode on channel 1
  • High-impedance output when VDD is off
  • High-impedance and resistive pulldown power-down modes
  • 50-MHz SPI-compatible interface
  • Automatically detects I 2C or SPI
    • 1.62-V V IH with V DD = 5.5 V
  • General-purpose input/output (GPIO) configurable as multiple functions
  • Predefined waveform generation: sine, cosine, triangular, sawtooth
  • User-programmable nonvolatile memory (NVM)
  • Internal or power-supply as reference
  • Wide operating range:
    • Power supply: 3 V to 5.5 V
    • Temperature: –40˚C to +125˚C

The 10-bit AFE532A3W and the 8-bit AFE432A3W ( AFEx32A3W) are a three-channel, buffered voltage-output, current-output, and ADC-input smart analog front end (AFE). The AFEx32A3W devices support a current source that can be used for linear control of laser diodes and miniature motors. These devices support Hi-Z power-down mode and Hi-Z output during power-off conditions for voltage output. Channel 1 can be configured as an ADC, voltage-output DAC or a comparator. The voltage-output DACs provide a force-sense option for use as a programmable comparator and current sink. The multifunction GPIO, function generation, and programmable nonvolatile memory (NVM) enable these smart AFEs for processor-less applications and design reuse. These devices automatically detect SPI or I 2C interfaces and contain an internal reference.

The AFEx32A3W feature set combined with the tiny package and low power make these smart AFEs an excellent choice for applications such as laser diode power control and electro-absorption modulated laser (EML) control in passive optical network (PON) and other industrial laser applications.

The 10-bit AFE532A3W and the 8-bit AFE432A3W ( AFEx32A3W) are a three-channel, buffered voltage-output, current-output, and ADC-input smart analog front end (AFE). The AFEx32A3W devices support a current source that can be used for linear control of laser diodes and miniature motors. These devices support Hi-Z power-down mode and Hi-Z output during power-off conditions for voltage output. Channel 1 can be configured as an ADC, voltage-output DAC or a comparator. The voltage-output DACs provide a force-sense option for use as a programmable comparator and current sink. The multifunction GPIO, function generation, and programmable nonvolatile memory (NVM) enable these smart AFEs for processor-less applications and design reuse. These devices automatically detect SPI or I 2C interfaces and contain an internal reference.

The AFEx32A3W feature set combined with the tiny package and low power make these smart AFEs an excellent choice for applications such as laser diode power control and electro-absorption modulated laser (EML) control in passive optical network (PON) and other industrial laser applications.
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* Data sheet AFEx32A3W 10-Bit and 8-Bit, Three-Channel Voltage-Output, Current-Output, and ADC-Input Smart AFE With I2C or SPI datasheet PDF | HTML 29 Nov 2023
Circuit design Programmable FET LED Biasing Circuit Using Smart DAC PDF | HTML 18 Apr 2024
Certificate AFE532A3WEVM EU Declaration of Conformity (DoC) 31 Aug 2023

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