DAC43401 Texas instruments

DAC43401

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DAC43401

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Описание

The 10-bit DAC53401 and 8-bit DAC43401 (DACx3401) are a pin-compatible family of buffered voltage-output digital-to-analog converters (DACs). These devices consume very low power, and are available in a tiny 8-pin WSON package. The feature set combined with the tiny package and low power make the DACx3401 an excellent choice for applications such as LED and general-purpose bias point generation, power supply control, digitizers, PWM signal generation, and medical alarm tone generation.These devices have nonvolatile memory (NVM), an internal reference, and a PMBus-compatible I2C interface. The DACx3401 operates with either an internal reference or the power supply as a reference, and provides full-scale output of 1.8 V to 5.5 V. The devices communicate through the I2C interface. These devices support I2C standard mode, fast mode, and fast+ mode. The DACx3401 are feature rich, and include PMBus voltage margin commands, user-programmable power up to high impedance, standalone waveform generator, medical alarm tone generator, dedicated feedback pin, and more. The DACx3401 operate within the temperature range of –40°C to +125°C.

1 LSB INL and DNL (10-bit and 8-bit)
Wide operating range
- Power supply: 1.8 V to 5.5 V
- Temperature range: –40˚C to +125˚C
PMBus™ compatible I²C interface
- Standard, Fast, and Fast+ modes
- Digital slew rate control
- 1.62-V V_IH with V_DD = 5.5 V
User-programmable nonvolatile memory (NVM/EEPROM)
- Save and recall all register settings
Programmable waveform generation: Square, ramp, and sawtooth
Preprogrammed medical-alarm tone-generation mode: low, medium, and high priority alarms
Internal reference
Very low power: 0.2 mA at 1.8 V
Flexible startup: High impedance or 10K-GND
Tiny package: 8-pin WSON (2 mm × 2 mm)

Resolution (Bits)	8
Number of DAC channels	1
Interface type	I2C
Output type	Buffered Voltage
Settling time (µs)	10
Features	Cost Optimized, Low Power, Small Size, Smart DAC
Reference type	Ext, Int
Architecture	String
Rating	Catalog
Output range (max) (mA/V)	5.5
Output range (min) (mA/V)	1.8
Sample/update rate (Msps)	0.022
Power consumption (typ) (mW)	0.18
Operating temperature range (°C)	-40 to 125