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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 упаковке | 50 |
Корпус | TSSOP-28 |
Вес | 0.312 г |
mil_spec | No |
power_dissipation | 1.43 mW |
reach_svhc_compliance | No SVHC |
lead_free_status | Contains Lead |
packaging | Tube |
supply_current | 260 µA |
lifecycle_status | Active |
number_of_bits | 16 |
rohs_status | Compliant |
pin_count | 28 |
resolution_bits | 16.0 |
Resolution (Bits) | 16bit |
Sampling Rate | - |
Input Channel Type | Serial |
Supply Voltage Range | 1.71V to 5.5V |
ADC / DAC Case Style | TSSOP |
No. of Pins | 28Pins |
Data Interface | SPI |
Operating Temperature Min | -40°C |
Operating Temperature Max | 105°C |
Packaging | Each |
Product Range | AD5421 Series |
Automotive Qualification Standard | - |
RoHS Phthalates Compliant | Yes |
MSL | MSL 3 - 168 hours |
SVHC | No SVHC (07-Jul-2017) |
Operating Temperature Range | -40°C to +105°C |
Supply Current | 260µA |
Supply Voltage Range - Analogue | 5.5V to 52V |
Supply Voltage Range - Digital | 1.71V to 5.5V |
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