AD74416HBCPZ - Quad Channel Flexible I/O with HART | Analog Devices
料号： AD74416HBCPZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 |
AD74416HBCPZ 概述
A software-configurable I/O (SIO) device is a versatile analog front-end that replaces multiple discrete components (e.g., ADCs, DACs, op-amps, and protection circuits) with a single programmable IC. It sits within the data acquisition subsystem of a programmable logic controller (PLC) or distributed control system (DCS), bridging field sensors/actuators to the digital control core. By reconfiguring each channel via software, the same hardware can handle diverse signal types, reducing BOM cost and board area while simplifying inventory management.
Key features of the AD74416HBCPZ include integrated HART (Highway Addressable Remote Transducer) modem support, which enables simultaneous analog and digital communication over the same two-wire loop. The device provides two address pins to support up to four devices on a single SPI bus, facilitating multi-channel expansion. It also includes a 16-bit sigma-delta ADC and a 16-bit DAC per channel, ensuring high accuracy. The SPI interface operates at up to 19.2 kHz, and the device supports both SPI and GPIO access for digital I/O, enabling flexible system integration.
From a technical perspective, the AD74416HBCPZ employs a precision analog front-end with programmable gain and filtering, allowing direct connection to 4-20 mA loops, thermocouples, RTDs, and voltage signals. The HART modem is fully compliant with the HART protocol, enabling digital communication without disrupting the analog signal. The device operates from a single 3.3 V or 5 V supply and includes on-chip diagnostics, such as open-wire detection and overcurrent protection, enhancing system reliability.
Typical applications include PLC analog I/O modules, industrial process transmitters, smart valve positioners, and building automation controllers. The AD74416HBCPZ is ideal for these applications because it reduces component count, simplifies design, and provides high accuracy over extended temperature ranges (-40°C to +105°C).
When designing with this device, ensure proper decoupling on the AVDD and DVDD supplies, and use a clean ground plane to minimize noise. The SPI lines should be kept short and shielded if possible, and the HART output requires an external analog front-end (e.g., a HART modem IC) for full compliance.
直接替换替代料： AD74416HBCPZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
AD74416HBCPZ-RL7
✅ 直接替换📋 参考替代料（不在目录中）
AD74416HBCPZ
✅ 直接替换✓ 有现货
$22 / 个
查看数据手册 →AD74416HBCPZ-RL7
✅ 直接替换📋 参考替代料（不在目录中）
AD74416HBCPZ
✅ 直接替换✓ 有现货
$22 / 个
查看数据手册 →AD74416HBCPZ-RL7
✅ 直接替换📋 参考替代料（不在目录中）
AD74416HBCPZ 最大额定值与电气特性
| Number of Channels | 4 |
| 分辨率 | 16 bit |
| 数据速率 | 19.2 kSPS |
| 接口 | SPI |
| 电源电压 | 3.3 V to 5 V |
| 封装 | 64-LFCSP (9x9 mm) |
| 工作温度范围 | -40°C to +105°C |
| HART Support | Yes |
| Address Pins | 2 (supports up to 4 devices on one SPI bus) |
| Digital I/O Access | SPI or GPIO |
| Analog Input Types | Voltage, Current |
| Analog Output Types | Voltage, Current |
| Digital Input/Output | Yes |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
AD74416HBCPZ 引脚配置
| 引脚 1 | AVDD — Analog supply voltage |
| 引脚 2 | AVSS — Analog ground |
| 引脚 3 | DVDD — Digital supply voltage |
| 引脚 4 | DVSS — Digital ground |
| 引脚 5 | SCLK — SPI clock |
| 引脚 6 | SDI — SPI data input |
| 引脚 7 | SDO — SPI data output |
| 引脚 8 | CS — Chip select |
| 引脚 9 | ADDR0 — Address pin 0 |
| 引脚 10 | ADDR1 — Address pin 1 |
| 引脚 11 | GPIO0 — General purpose I/O |
| 引脚 12 | GPIO1 — General purpose I/O |
| 引脚 13 | GPIO2 — General purpose I/O |
| 引脚 14 | GPIO3 — General purpose I/O |
| 引脚 15 | VIO — Digital I/O supply |
| 引脚 16 | RESET — Reset input |
典型应用
AD74416HBCPZ 适用于 6 应用s: PLC Analog I/O Modules, Industrial Process Transmitters, Smart Valve Positioners, Building Automation Controllers, Test and Measurement Equipment, Remote Terminal Units (RTUs).
PLC Analog I/O Modules
The AD74416HBCPZ is ideal for PLC analog I/O modules, providing four software-configurable channels that can handle voltage, current, and digital signals. Its 16-bit resolution and 19.2 kSPS data rate ensure accurate process control. The SPI interface simplifies connection to the PLC's microcontroller, and the HART modem enables smart transmitter communication. This reduces component count and board space, making it a cost-effective solution for multi-channel I/O cards.
推荐
Industrial Process Transmitters
In industrial process transmitters, the AD74416HBCPZ provides a complete analog front-end for 4-20 mA loops. Each channel can be configured as a current input or output, and the integrated HART modem allows digital communication over the same wires. The device's high accuracy and diagnostics (open-wire detection, overcurrent protection) enhance reliability. Its compact 64-LFCSP package fits into small transmitter housings, and the SPI interface connects to a host microcontroller for configuration and data exchange.
推荐
Smart Valve Positioners
The AD74416HBCPZ is well-suited for smart valve positioners, where it can drive a current output to control the valve and read position feedback via a current or voltage input. The 16-bit DAC ensures precise valve positioning, while the HART modem enables remote calibration and diagnostics. The device's software configurability allows the same hardware to be used for different valve types, reducing design effort. Its wide operating temperature range (-40°C to +105°C) suits harsh industrial environments.
推荐
Building Automation Controllers
In building automation, the AD74416HBCPZ can interface with various sensors and actuators, such as temperature sensors, humidity sensors, and valve actuators. Its four configurable channels can handle analog inputs (0-10V, 4-20mA) and outputs, as well as digital I/O for relay control. The SPI interface allows easy integration with a central controller. The device's low power consumption and small footprint are advantageous for space-constrained controllers, and its HART support is useful for legacy systems.
推荐
Test and Measurement Equipment
The AD74416HBCPZ can be used in test and measurement equipment to provide programmable voltage and current sources and sinks. Its 16-bit resolution and 19.2 kSPS data rate allow precise stimulus generation and measurement. The software-configurable channels enable a single instrument to handle multiple signal types, reducing the need for separate modules. The SPI interface simplifies control from a host processor, and the device's accuracy and stability make it suitable for calibration and validation systems.
推荐
Remote Terminal Units (RTUs)
In remote terminal units for oil and gas or utility monitoring, the AD74416HBCPZ provides a compact analog I/O solution. It can interface with pressure, temperature, and flow sensors, and control actuators. The HART modem enables communication with smart field devices, and the SPI interface connects to a communication processor. The device's low power consumption is critical for battery-powered RTUs, and its wide temperature range ensures operation in outdoor environments.
推荐
推荐产品汇总
工程参考数据： AD74416HBCPZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | AD74416HBCPZ-RL7 |
|---|---|---|
| Package | 64-LFCSP (9x9 mm) | 64-LFCSP (9x9 mm) |
| Brand | Analog Devices | Analog Devices |
| Number of Channels | 4 | 4 |
| Resolution | 16 bit | 16 bit |
| Data Rate | 19.2 kSPS | 19.2 kSPS |
| Interface | SPI | SPI |
| HART Support | Yes | Yes |
| Supply Voltage | 3.3V to 5V | 3.3V to 5V |
关键差异点
- Integrated HART modem （对比 Discrete ADC/DAC solutions)
- Quad-channel software configurability （对比 Fixed-function I/O devices)
- 16-bit resolution and 19.2 kSPS data rate （对比 Lower-resolution I/O devices)
设计说明
Ensure clean power supplies for AVDD and DVDD. Use 10uF and 0.1uF decoupling capacitors close to each supply pin. The device operates from 3.3V or 5V; verify that the digital I/O supply (VIO) matches the host microcontroller's logic level to avoid damage.
Use a solid ground plane and separate analog and digital ground areas, connecting them at a single point. Keep SPI traces short and matched in length to minimize skew. For HART, ensure proper layout of the analog front-end to avoid noise coupling.
Do not exceed the absolute maximum ratings on any pin. The SPI interface is not isolated; use digital isolators (e.g., ADuM341E) for safety in industrial environments. Also, configure each channel correctly via SPI before use to avoid unintended outputs.
合规信息
RoHS compliant per distributor listings. Other compliance data not specified in provided sources.
