| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 16 Pin |
| Case/Package | PDIP-16 |
| Number of Outputs | 1 Output |
| Supply Current | 575 µA |
| Number of Channels | 1 Channel |
| Number of Positions | 16 Position |
| Number of Bits | 16 Bit |
| Power Dissipation | 0.67 W |
| Sample Rate | 125 SPS |
| Resolution (Bits) | 16.0 Bit |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 670 mW |
| Number of DACs | 1 DAC |
| Supply Voltage | 2.95V ~ 5.05V |
| Supply Voltage (Max) | 5.05 V |
| Supply Voltage (Min) | 2.95 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 20.07 mm |
| Size-Width | 6.35 mm |
| Size-Height | 3.3 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD421BNZ is a Loop-powered DAC designed to meet the needs of smart transmitter manufacturers in the industrial control industry. It provides a high precision and fully integrated solution as well it is ideal for extending the resolution of smart 4mA to 20mA transmitters at very low cost. It includes a selectable regulator that is used to power itself and other devices in the transmitter. The part also contains +1.25 and +2.5V precision references. The AD421 thus eliminates the need for a discrete regulator and voltage reference. The only external components required are a number of passive components and a pass transistor to span large loop voltages. The Sigma-Delta (Σ-Δ) architecture of the DAC guarantees 16-bit monotonicity while the integral nonlinearity for the AD421 is ±0.01%. The AD421 can be used with standard HART FSK protocol communication circuitry without any degradation in specified performance.
● HART® compatible
● 16-bit Resolution and monotonicity
● 0.01% Integral nonlinearity
● 750µA Maximum quiescent current
● Programmable alarm current capability
● Flexible high speed serial interface
●ESD sensitive device, take proper precaution while handling the device.
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