• AD5421BREZ
  • AD5421BREZ
  • AD5421BREZ
  • AD5421BREZ
  • AD5421BREZ
  • AD5421BREZ
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The AD5421 is a complete, loop-powered, 4 mA to 20 mA digital-to-analog converter (DAC) designed to meet the needs of smart transmitter manufacturers in the industrial control industry. The DAC provides a high precision, fully integrated, low cost solution in a compact TSSOP package and LFCSP packages. The AD5421 includes a regulated voltage output that is used to power itself and other devices in the transmitter. This regulator provides a regulated 1.8 V to 12 V output voltage. The AD5421 also contains 1.22 V and 2.5 V references, thus eliminating the need for a discrete regulator and voltage reference. The AD5421 can be used with standard HART® FSK protocol communication circuitry without any degradation in specified performance. The high speed serial interface is capable of opera-ting at 30 MHz and allows for simple connection to commonly used microprocessors and microcontrollers via a SPI-compatible, 3-wire interface. The AD5421 is guaranteed monotonic to 16 bits. It provides 0.0015% integral nonlinearity, 0.0012% offset error, and 0.0006% gain error under typical conditions. The AD5421 is available in a 28-lead TSSOP and a 32-lead LFCSP specified over the extended industrial temperature range of -40°C to +105°C. Applications Industrial Process Control 4mA to 20mA loop-powered transmitters Smart transmitters HART network connectivity

Количество в упаковке50
КорпусTSSOP-28
Вес0.312 г
mil_specNo
power_dissipation1.43 mW
reach_svhc_complianceNo SVHC
lead_free_statusContains Lead
packagingTube
supply_current260 µA
lifecycle_statusActive
number_of_bits16
rohs_statusCompliant
pin_count28
resolution_bits16.0
Resolution (Bits)16bit
Sampling Rate-
Input Channel TypeSerial
Supply Voltage Range1.71V to 5.5V
ADC / DAC Case StyleTSSOP
No. of Pins28Pins
Data InterfaceSPI
Operating Temperature Min-40°C
Operating Temperature Max105°C
PackagingEach
Product RangeAD5421 Series
Automotive Qualification Standard-
RoHS Phthalates CompliantYes
MSLMSL 3 - 168 hours
SVHCNo SVHC (07-Jul-2017)
Operating Temperature Range-40°C to +105°C
Supply Current260µA
Supply Voltage Range - Analogue5.5V to 52V
Supply Voltage Range - Digital1.71V to 5.5V
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