0
ACTIVE
Resolution (Bits) |
10 |
Number of DAC channels |
2 |
Interface type |
I2C, SPI |
Output type |
Buffered Voltage, Unbuffered Current |
Output voltage range (V) |
0 to 5.5 |
INL (max) (±LSB) |
1.25 |
Settling time (µs) |
20 |
Reference type |
Ext, Int |
Rating |
Catalog |
Features |
(x1) PWM, EEPROM, Integrated ADC, Smart DAC |
Sample/update rate (Msps) |
0.025 |
Power consumption (typ) (mW) |
0.4 |
Operating temperature range (°C) |
-40 to 125 |
Product type |
Smart DAC |
DSBGA (YBH)-16-2.56 mm² 1.6 x 1.6
The 10-bit AFE532A3W and 8-bit AFE432A3W (AFEx32A3W) are 3-channel, buffered voltage-output, current-output, and ADC-input, smart analog front ends (AFEs). The AFEx32A3W support a current source 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 is configurable as an ADC, voltage-output DAC, or 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 I2C 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 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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