Overview
The AD5700-1BCPZ-RL7, produced by Analog Devices Inc., is a highly integrated, low-power HART (Highway Addressable Remote Transducer) FSK (Frequency Shift Keying) half-duplex modem. This single-chip solution is designed to comply with the HART physical layer requirements, making it ideal for various industrial applications. The device integrates all necessary functions for HART communication, including filtering, signal detection, modulation, demodulation, and signal generation, thereby minimizing the need for external components.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Voltage | 1.71 | 5.5 | V | ||
| Maximum Supply Current (Receive Mode) | 115 | µA | VCC = 2.7 V | ||
| Operating Temperature | -40 | 125 | °C | ||
| Package Type | LFCSP-24 (4x4 mm) | ||||
| ESD Rating | 8 kV | HBM | |||
| Carrier Frequencies | 1200 Hz | 2200 Hz | Representing digital 1 and 0 respectively | ||
| Digital Interface Supply Voltage | 1.71 | 5.5 | V | IOVCC |
Key Features
- Precision internal oscillator (AD5700-1 only), reducing board space requirements.
- Buffered HART output with high drive capability, eliminating the need for external buffering.
- Compliance with HART physical layer requirements, supporting both master and slave configurations.
- Low power consumption with a maximum supply current of 115 µA in receive mode.
- Support for external crystal, CMOS clock input, and internal RC oscillator (AD5700-1 only).
- Standard UART interface for control and data communication.
- High ESD rating of 8 kV HBM.
Applications
- Field transmitters.
- HART multiplexers.
- PLC and DCS analog I/O modules.
- HART network connectivity.
Q & A
- What is the AD5700-1BCPZ-RL7 used for? The AD5700-1BCPZ-RL7 is used as a HART FSK half-duplex modem in industrial applications, complying with HART physical layer requirements.
- What are the supported carrier frequencies? The device supports carrier frequencies of 1200 Hz and 2200 Hz, representing digital 1 and 0 respectively.
- What is the power supply voltage range for the AD5700-1BCPZ-RL7? The power supply voltage range is from 1.71 V to 5.5 V.
- What is the maximum supply current in receive mode? The maximum supply current in receive mode is 115 µA.
- What types of clocking configurations are supported by the AD5700-1? The AD5700-1 supports external crystal, CMOS clock input, and internal RC oscillator configurations.
- What is the operating temperature range of the AD5700-1BCPZ-RL7? The operating temperature range is from -40°C to +125°C.
- What is the package type of the AD5700-1BCPZ-RL7? The package type is LFCSP-24 (4x4 mm).
- What is the ESD rating of the AD5700-1BCPZ-RL7? The ESD rating is 8 kV HBM.
- How is the device controlled? The device is controlled via a standard UART interface.
- What are some typical applications of the AD5700-1BCPZ-RL7? Typical applications include field transmitters, HART multiplexers, PLC and DCS analog I/O modules, and HART network connectivity.
