0
ACTIVE
Resolution (Bits) |
10 |
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 DAC539G2-Q1 is an application-specific, look-up table (LUT) based GPI-to-PWM converter. This device has a 10-bit GPI-to-voltage output converter and a voltage-to-PWM converter. Both these circuits can be externally connected to create a GPI-to-PWM converter. Three GPIs are mapped to eight 10-bit digital codes that represent the voltage output. There is a programmable delay at the GPIs for eliminating glitches on these inputs. The look-up table values are programmed using I 2C or SPI and stored in the NVM. The GPIs are multiplexed with the I 2C and SPI. The voltage-to-PWM converter uses a comparator with one input as a programmable sawtooth or triangle waveform and the other input as an external voltage input.
This device automatically detects I 2C and SPI and has an internal reference. The DAC539G2-Q1 is an excellent choice for fault communication in automotive stop and turn lights and similar industrial applications.
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