AD74416HBCPZ - Quad Channel Flexible I/O with HART | Analog Devices
MPN: AD74416HBCPZ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $35.56 | $35.56 |
| 10 | $32 | $320.00 |
| 100 | $28.5 | $2,850.00 |
| 500 | $25 | $12,500.00 |
| 1,000 | $22 | $22,000.00 |
Drop-in alternatives for AD74416HBCPZ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD74416BCPZ
β Drop-Inπ Reference alternative (not in catalog)
AD74416HBCPZ-RL7
β Drop-Inπ Reference alternative (not in catalog)
AD74416BCPZ-RL7
β Drop-Inπ Reference alternative (not in catalog)
MAX14900
β Drop-Inπ Reference alternative (not in catalog)
AD5758
β Drop-Inπ Reference alternative (not in catalog)
AD74416HBCPZ Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Resolution | 16 bit |
| Interface Type | SPI |
| SPI Clock Frequency | 19.2 kHz |
| Output Modes | Voltage, Current, Digital |
| Input Modes | Voltage, Current, Digital |
| Supply Voltage | 3.3 V to 5 V |
| Operating Temperature Range | -40Β°C to +105Β°C |
| Package | 64-LFCSP (9x9 mm) |
| Mounting Type | Surface Mount |
| HART Support | Yes |
| Internal Reference | Yes |
| Address Pins | 2 (supports up to 4 devices on one SPI bus) |
| RoHS Status | Compliant |
| Data Acquisition Type | ADC/DAC - Specialized |
AD74416HBCPZ Pin Configuration
| Pin 1 | AVDD β Analog power supply |
| Pin 2 | AVSS β Analog ground |
| Pin 3 | DVDD β Digital power supply |
| Pin 4 | DVSS β Digital ground |
| Pin 5 | SCLK β SPI clock input |
| Pin 6 | SDI β SPI data input |
| Pin 7 | SDO β SPI data output |
| Pin 8 | CS β Chip select (active low) |
| Pin 9 | A0 β Address pin 0 |
| Pin 10 | A1 β Address pin 1 |
| Pin 11 | IOUT0 β Current output channel 0 |
| Pin 12 | IOUT1 β Current output channel 1 |
| Pin 13 | IOUT2 β Current output channel 2 |
| Pin 14 | IOUT3 β Current output channel 3 |
| Pin 15 | VOUT0 β Voltage output channel 0 |
| Pin 16 | VOUT1 β Voltage output channel 1 |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD74416HBCPZ is suitable for 6 applications: Programmable Logic Controllers (PLCs), Distributed Control Systems (DCS), Smart Transmitters, Industrial Automation, Building Automation, Process Control.
Programmable Logic Controllers (PLCs)
The AD74416HBCPZ is ideal for PLC analog I/O modules, providing four software-configurable channels that can handle voltage/current outputs and inputs. Its 16-bit resolution ensures precise control of actuators and accurate reading of sensors. The SPI interface allows easy integration with microcontrollers, and the HART support enables communication with smart field devices. The device's wide temperature range and industrial-grade reliability make it suitable for harsh factory environments.
Recommended
Distributed Control Systems (DCS)
In DCS, the AD74416HBCPZ provides flexible I/O for process control loops, supporting both analog and digital signals on the same pin. Its 16-bit DACs generate precise 4-20 mA current loops, while the ADCs monitor sensor inputs. The HART protocol allows overlay of digital communication on analog loops, enabling remote configuration and diagnostics. The device's low power consumption and small footprint are advantageous in space-constrained control cabinets.
Recommended
Smart Transmitters
The AD74416HBCPZ is specifically designed for smart transmitters, where HART communication is essential. It provides the analog front-end for 4-20 mA loops, with 16-bit DACs for output and ADCs for input. The HART modem can be connected externally to modulate/demodulate digital signals on the loop. The device's low noise and high accuracy ensure reliable process variable transmission. Its software configurability allows the same hardware to support different sensor types.
Recommended
Industrial Automation
For general industrial automation, the AD74416HBCPZ offers a compact solution for multi-channel I/O. It can replace multiple discrete components, reducing board space and BOM cost. The device supports various I/O modes, making it versatile for different automation tasks such as controlling valves, reading sensors, and interfacing with digital switches. The SPI interface simplifies wiring, and the address pins allow multiple devices on one bus for channel expansion.
Recommended
Building Automation
In building automation, the AD74416HBCPZ can be used in HVAC controllers, lighting control, and access systems. Its software-configurable channels allow the same device to handle analog sensors (temperature, humidity) and digital inputs (occupancy sensors). The 16-bit resolution ensures accurate environmental monitoring. The device's low power consumption is beneficial for battery-powered or energy-efficient systems. The HART support is less critical here but can be used for legacy system integration.
Recommended
Process Control
The AD74416HBCPZ is well-suited for process control applications requiring precise analog I/O. It can generate 4-20 mA current outputs for valve positioning and read 4-20 mA inputs from pressure or flow transmitters. The 16-bit DACs and ADCs provide high resolution, and the HART protocol enables digital communication over the same wires. The device's robust design, including overcurrent protection and open-wire detection, ensures reliable operation in demanding environments.
Recommended
Recommended Products Summary
Engineering reference data for AD74416HBCPZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD74416BCPZ | AD74416HBCPZ-RL7 | MAX14900 |
|---|---|---|---|---|
| Package | 64-LFCSP (9x9 mm) | 64-LFCSP (9x9 mm) | 64-LFCSP (9x9 mm) | 64-LFCSP (9x9 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated |
| Number of Channels | 4 | 4 | 4 | 8 |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit |
| HART Support | Yes | No | Yes | No |
| SPI Clock Frequency | 19.2 kHz | 19.2 kHz | 19.2 kHz | [DATA_NEEDED] |
| Supply Voltage | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V |
| Operating Temperature Range | -40Β°C to +105Β°C | -40Β°C to +105Β°C | -40Β°C to +105Β°C | -40Β°C to +125Β°C |
Key Differentiators
- Integrated HART support (vs AD74416BCPZ)
- Quad-channel flexibility (vs MAX14900)
- Same-brand drop-in compatibility (vs AD74416BCPZ)
Design Notes
Ensure clean power supplies for AVDD and DVDD. Use 10 Β΅F and 0.1 Β΅F decoupling capacitors close to the power pins. A low-noise LDO, such as the LT3045, is recommended for analog supply to minimize noise that could affect ADC/DAC performance.
For optimal performance, place the AD74416HBCPZ on a PCB with a solid ground plane. Keep SPI traces short and matched in length to avoid signal integrity issues. Use series resistors (e.g., 22 Ξ©) on SPI lines to reduce ringing. The exposed pad should be soldered to the ground plane for thermal and electrical connectivity.
Do not exceed the absolute maximum ratings for supply voltage and I/O pins. Ensure the SPI clock frequency does not exceed 19.2 kHz as specified. When using HART, an external modem circuit is required; the AD74416H does not include the full HART stack. Verify the pinout with the datasheet before layout.
Compliance Information
RoHS compliant per distributor listings. Other compliance data not specified in the provided data.
