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DAC121C081

具有 I2C 兼容接口的 12 位微功耗數(shù)模轉(zhuǎn)換器; ? Ensured Monotonicity to 12-Bits\n? Low Power Operation: 156-μA Maximum at 3.3 V\n? Extended Power Supply Range (2.7 V to 5.5 V)\n? I2C-Compatible 2-Wire Interface Which Supports Standard (100-kHz), Fast (400-kHz), and High-Speed (3.4-MHz) Modes\n? Rail-to-Rail Voltage Output\n? Very Small Package\n? Resolution: 12 bits\n? INL: ±8 LSB (Maximum)\n? DNL: 0.6 / –0.5 LSB (Maximum)\n? Settling Time: 8.5 μs (Maximum)\n? Zero Code Error: 10 mV (Maximum)\n? Full-Scale Error: ?0.7%FS (Maximum)\n? Supply Power \n - Normal: 380 μW (3 V) / 730 μW (5 V) (Typical)\n? Power Down: 0.5 μW (3 V) / 0.9 μW (5 V) (Typical);

The DAC121C081 is a 12-bit, single-channel, voltage-output digital-to-analog converter (DAC) that operates from a 2.7-V to 5.5-V supply. The output amplifier allows rail-to-rail output swing and has an 8.5-μs settling time. The DAC121C081 uses the supply voltage as the reference to provide the widest dynamic output range, and typically consumes 132 μA while operating at 5 V. It is available in 6-pin SOT and WSON packages, and provides three address options (pin selectable).\nAs an alternative, the DAC121C085 provides nine I2C addressing options and uses an external reference. It has the same performance and settling time as the DAC121C081, and is available in an 8-lead VSSOP.\n The DAC121C081 and DAC121C085 use a 2-wire, I2C-compatible serial interface that operates in all three speed modes, including high-speed mode (3.4 MHz). An external address selection pin allows up to three DAC121C081 or nine DAC121C085 devices per 2-wire bus. Pin compatible alternatives to the DAC121C081 are available that provide additional address options.\nThe DAC121C081 and DAC121C085 each have a 16-bit register that controls the mode of operation, the power-down condition, and the output voltage. A power-on reset circuit ensures that the DAC output powers up to 0 V. A power-down feature reduces power consumption to less than a microWatt. Their low power consumption and small packages make these DACs an excellent choice for use in battery-operated equipment. Each DAC operates over the extended industrial temperature range of ?40°C to +125°C.\nThe DAC121C081 and DAC121C085 are each part of a family of pin compatible DACs that also provide 8 and 10 bit resolution. For 8-bit DACs see the DAC081C081 and DAC081C085. For 10-bit DACs see the DAC101C081 and DAC101C085.\n \n

DAC121C081

12-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface

DAC121C081

12-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface

DAC121C081_08

12-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface

DAC121C081_16

12-Bit Micro Power Digital-to-Analog Converter

DAC121C081CIMK/NOPB

12-Bit Micro Power Digital-to-Analog Converter

DAC121C081CIMKSLASHNOPB

12-Bit Micro Power Digital-to-Analog Converter

DAC121C081CIMKX/NOPB

12-Bit Micro Power Digital-to-Analog Converter

DAC121C081CIMKXSLASHNOPB

12-Bit Micro Power Digital-to-Analog Converter

DAC121C081CISD/NOPB

12-Bit Micro Power Digital-to-Analog Converter