0
ACTIVE
Resolution (Bits) |
8 |
Number of DAC channels |
1 |
Interface type |
I2C, SPI |
Output type |
Buffered Voltage |
Output voltage range (V) |
0 to 5.5 |
INL (max) (±LSB) |
1 |
Settling time (µs) |
20 |
Reference type |
Ext, Int |
Architecture |
String |
Rating |
Automotive |
Features |
(x1) PWM, EEPROM, 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 |
WQFN (RTE)-16-9 mm² 3 x 3
The DAC43901-Q1 and DAC43902-Q1 ( DAC4390x-Q1) are a family of automotive, 8-bit smart DACs with dual and quad PWM outputs. The DAC43901-Q1 provides two PWM outputs, and the DAC43902-Q1 provides four PWM outputs. The DAC channels also act as trigger inputs or outputs. The DAC4390x-Q1 provides a preconfigured state machine that logic generates logarithmic dimming with configurable timings. The PWM-based logarithmic dimming is applicable in logarithmic fade-in and fade-out applications in automotive interior and exterior lighting. The DAC4390x-Q1 also support sequential animation applicable for automotive turn-indicator lights. These devices provide NVM for storing the configurations. These smart DACs function without the need for a processor ( processor-less operation) using GPIOs and NVM.
These devices automatically detect I 2C or SPI and have an internal reference. The feature set combined with the tiny package and low power make the smart DACs an excellent choice for applications in automotive light animation.
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