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> AD5371 40-channel 14BIT serial input voltage output dac
AD5371 40-channel 14BIT serial input voltage output dac
40-Channel 14Bit Serial Input Voltage Output DAC IC
The AD5371 offers guaranteed operation over a wide supply range, with VSS from 16.5 V to 4.5 V and VDD from 9 V to 16.5 V. The output amplifier headroom requirement is 1.4 V operating with a load current of 1 mA.
The AD5371 has a high speed serial interface that is compatible with SPI, QSPI , MICROWIRE , and DSP interface standards and can handle clock speeds of up to 50 MHz. It also has a 100 MHz low voltage differential signaling (LVDS) serial interface.
The DAC registers are updated on reception of new data. All the outputs can be updated simultaneously by taking the LDAC input low. Each channel has a programmable gain and an offset adjust register to allow removal of gain and offset errors.
Each DAC output is gained and buffered on chip with respect to an external SIGGNDx input. The DAC outputs can also be switched to SIGGNDx via the CLR pin.
* 40-channel DAC in 80-lead LQFP and 100-ball CSP_BGA
* Guaranteed monotonic to 14 bits
* Maximum output voltage span of 4 VREF (20 V)
* Nominal output voltage span of 4 V to +8 V
* Multiple, independent output voltage spans available
* System calibration function allowing user-programmable offset and gain
* Channel grouping and addressing features
* DSP/microcontroller-compatible serial interface
* 2.5 V to 5.5 V digital interface
* Clear function to user-defined SIGGNDx
* Simultaneous update of DAC outputs
* Level setting in automatic test equipment (ATE)
* Variable optical attenuators (VOA)
* Industrial control systems
