AD5700-1BCPZ-R5 - Low Power HART Modem IC | Analog Devices
料号： AD5700-1BCPZ-R5 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $5.9 | $2,950.00 |
| 1,000 | $5.06 | $5,060.00 |
AD5700-1BCPZ-R5 概述
A HART modem is a specialized integrated circuit that enables digital communication over legacy 4-20 mA analog instrumentation loops. It uses Frequency Shift Keying (FSK) to superimpose digital signals on the analog current loop, allowing simultaneous analog and digital communication. The AD5700-1BCPZ-R5 is part of the broader category of industrial communication ICs, which are essential for smart field instruments, process control, and factory automation systems.
Key features include a low power consumption of 0.86 mA typical in operating mode, a wide supply voltage range of 2.7V to 5.5V, and an integrated 0.5% accurate oscillator. The device supports HART FSK signaling at 1200 baud and includes a UART interface for easy connection to microcontrollers. It also features a carrier detect output and a modem reset function, simplifying system design.
The AD5700-1BCPZ-R5 uses a mixed-signal architecture that combines analog front-end filtering with digital demodulation, ensuring robust performance in noisy industrial environments. The integrated oscillator reduces component count and improves reliability, while the low power consumption makes it suitable for loop-powered devices. The device is specified over the industrial temperature range of -40°C to +125°C.
Typical applications include smart transmitters, valve positioners, flow meters, and other HART-enabled field instruments. It is also used in HART multiplexers and gateway modules for process control systems. The device's low power and small footprint make it ideal for loop-powered 4-20 mA transmitters.
When designing with the AD5700-1BCPZ-R5, ensure proper decoupling of the power supply and careful layout of the analog front-end to minimize noise. The integrated oscillator eliminates the need for an external crystal, but the supply voltage must be kept within the specified range to maintain oscillator accuracy.
直接替换替代料： AD5700-1BCPZ-R5 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： AD5700-1BCPZ-R5 （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, Integrated Oscillator, Modulation Type, Supply Voltage Range.
快速对比工具——选择替代料号进行并排对比：
AD5700-1BCPZ-RL7
✅ 直接替换✓ 有现货
$4.16 / 个
查看数据手册 →AD5700-1ACPZ
✅ 直接替换✓ 有现货
$4.45 / 个
查看数据手册 →AD5700BCPZ-R5
✅ 直接替换📋 参考替代料（不在目录中）
AD5700ACPZ-RL7
✅ 直接替换📋 参考替代料（不在目录中）
HT5700
✅ 直接替换📋 参考替代料（不在目录中）
HT1200M
✅ 直接替换📋 参考替代料（不在目录中）
AD5700-1BCPZ-R5 规格参数
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Current (Typical) | 0.86 mA |
| Modulation Type | FSK (HART) |
| 数据速率 | 1200 baud |
| Oscillator Accuracy | 0.5% |
| 接口 | UART |
| 封装 | 24-Lead LFCSP-WQ (4x4 mm) |
| 工作温度范围 | -40°C to +125°C |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant (ROHS3) |
| REACH Status | Unaffected |
| MSL 等级 | 3 (168 Hours) |
| Carrier Detect Output | Yes |
| Modem Reset Function | Yes |
| Integrated Oscillator | Yes |
AD5700-1BCPZ-R5 引脚配置
| 引脚 1 | VDD — Power supply input |
| 引脚 2 | GND — Ground |
| 引脚 3 | TXD — UART transmit data |
| 引脚 4 | RXD — UART receive data |
| 引脚 5 | CD — Carrier detect output |
| 引脚 6 | RTS — Request to send |
| 引脚 7 | MOD_IN — Modulated input |
| 引脚 8 | MOD_OUT — Modulated output |
| 引脚 9 | XTAL1 — Crystal connection (if external crystal used) |
| 引脚 10 | XTAL2 — Crystal connection (if external crystal used) |
| 引脚 11 | RESET — Modem reset input |
| 引脚 12 | NC — No connect |
典型应用
AD5700-1BCPZ-R5 适用于 6 应用s: Smart Transmitters, Valve Positioners, Flow Meters, HART Multiplexers, Gateway Modules, Industrial Automation.
Smart Transmitters
The AD5700-1BCPZ-R5 is ideal for smart transmitters in industrial process control. Its low power consumption of 0.86 mA typical allows operation on 4-20 mA loops, while the integrated oscillator reduces external component count. The device's HART FSK modulation enables digital communication over existing analog wiring, facilitating remote configuration and diagnostics. Its wide supply voltage range of 2.7V to 5.5V accommodates various loop power conditions, and the industrial temperature range of -40°C to +125°C ensures reliable operation in harsh environments.
推荐
Valve Positioners
In valve positioners, the AD5700-1BCPZ-R5 provides reliable HART communication for remote monitoring and control. Its compact 24-lead LFCSP-WQ package fits space-constrained designs, while the integrated oscillator eliminates the need for an external crystal, simplifying PCB layout. The device's low power consumption is critical for loop-powered positioners, and its robust FSK modulation ensures reliable data transmission in noisy industrial environments. The UART interface simplifies connection to microcontrollers, enabling precise valve control and diagnostics.
推荐
Flow Meters
The AD5700-1BCPZ-R5 is well-suited for flow meters requiring HART communication. Its low power consumption of 0.86 mA typical allows operation on 4-20 mA loops, and the integrated oscillator reduces component count, improving reliability. The device's wide supply voltage range and industrial temperature range make it suitable for various flow metering applications. The HART FSK modulation enables digital communication over existing analog wiring, allowing remote configuration and data logging. The compact package is ideal for space-constrained flow meter designs.
推荐
HART Multiplexers
In HART multiplexers, the AD5700-1BCPZ-R5 enables communication with multiple HART devices over a single control system interface. Its low power consumption and small footprint allow dense packing of multiple modems on a single board. The integrated oscillator reduces external component count, simplifying design and improving reliability. The device's UART interface facilitates connection to a central processor, and its carrier detect output helps manage communication timing. The wide supply voltage range and industrial temperature range ensure reliable operation in process control environments.
推荐
Gateway Modules
The AD5700-1BCPZ-R5 is used in gateway modules to bridge HART field devices with higher-level control systems. Its low power consumption and integrated oscillator make it ideal for compact gateway designs. The device's HART FSK modulation ensures reliable communication over long cable runs, and its UART interface simplifies integration with microcontrollers or processors. The wide supply voltage range and industrial temperature range support various industrial environments. The carrier detect output aids in managing communication timing, ensuring efficient data transfer.
推荐
Industrial Automation
In industrial automation, the AD5700-1BCPZ-R5 provides reliable HART communication for various field devices. Its low power consumption of 0.86 mA typical is suitable for loop-powered devices, and the integrated oscillator reduces component count, improving reliability. The device's wide supply voltage range of 2.7V to 5.5V and industrial temperature range of -40°C to +125°C ensure operation in harsh environments. The compact 24-lead LFCSP-WQ package fits space-constrained designs, and the UART interface simplifies integration with microcontrollers. The device is designed to meet HART physical layer requirements, ensuring compatibility with existing HART networks.
推荐
推荐产品汇总
工程参考数据： AD5700-1BCPZ-R5 ——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 | AD5700-1BCPZ-RL7 | AD5700-1ACPZ | AD5700BCPZ-R5 | AD5700ACPZ-RL7 | HT5700 | HT1200M |
|---|---|---|---|---|---|---|---|
| Package | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) | 24-Lead LFCSP-WQ (4x4 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Microcybers | Microcybers |
| Integrated Oscillator | Yes | Yes | Yes | No | No | Yes | Yes |
| Supply Voltage Range | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V |
| Data Rate | 1200 baud | 1200 baud | 1200 baud | 1200 baud | 1200 baud | 1200 baud | 1200 baud |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C | -40°C to +125°C | -40°C to +85°C | -40°C to +125°C | -40°C to +125°C |
关键差异点
- Integrated oscillator eliminates external crystal （对比 AD5700BCPZ-R5)
- Low power consumption of 0.86 mA typical （对比 HT5700)
- Wide industrial temperature range of -40°C to +125°C （对比 AD5700-1ACPZ)
设计说明
Ensure proper decoupling of the VDD pin with a 0.1uF ceramic capacitor placed as close to the pin as possible. A 10uF bulk capacitor may be needed if the supply is noisy. The AD5700-1BCPZ-R5 operates from 2.7V to 5.5V, so verify the supply voltage is within this range to maintain oscillator accuracy and reliable HART communication.
Careful layout of the analog front-end is essential to minimize noise. Keep the MOD_IN and MOD_OUT traces short and shielded if possible. Use a ground plane to reduce interference. The integrated oscillator eliminates the need for an external crystal, but ensure the supply voltage is stable to maintain oscillator accuracy.
Do not exceed the maximum supply voltage of 5.5V. Ensure the UART interface is properly configured for 1200 baud. The carrier detect output should be monitored to manage communication timing. Avoid placing the device near high-frequency switching regulators without proper filtering, as this can degrade HART signal quality.
合规信息
ROHS3 compliant, REACH unaffected, MSL 3 (168 hours) per partgenie.ai analysis.
