Overview
The AD5700-1BCPZ-R5, produced by Analog Devices Inc., is a single-chip solution designed to operate as a HART (Highway Addressable Remote Transducer) FSK (Frequency Shift Keying) half-duplex modem. This device is fully compliant with the HART physical layer requirements, making it suitable for various industrial applications. The AD5700-1 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 | - |
| Operating Temperature | -40 | - | 125 | °C | - |
| Supply Current (VCC = 2.7 V) | - | 115 | - | µA | - |
| Input High Voltage (VIH) | 0.7 × IOVCC | - | - | V | - |
| Input Low Voltage (VIL) | 0.3 × IOVCC | - | - | V | - |
| Output High Voltage (VOH) | IOVCC - 0.5 | - | - | V | - |
| Output Low Voltage (VOL) | 0.4 | - | - | V | - |
| Package Type | - | - | - | LFCSP-24 (4x4 mm) | - |
Key Features
- Compliance with HART physical layer requirements.
- Integrated functions for filtering, signal detection, modulation, demodulation, and signal generation, minimizing external component requirements.
- Precision internal RC oscillator (AD5700-1 only), reducing board space and ideal for line-powered applications.
- Buffered HART output with high drive capability, eliminating the need for external buffering.
- 8 kV HBM ESD rating for enhanced robustness.
- UART interface for control and data communication.
- Support for external crystal, CMOS clock input, and internal RC oscillator (AD5700-1 only) clocking configurations.
- Low power consumption with a maximum supply current of 115 µA at VCC = 2.7 V.
Applications
- Field transmitters.
- HART multiplexers.
- PLC and DCS analog I/O modules.
- HART network connectivity.
Q & A
- What is the AD5700-1BCPZ-R5 used for?
The AD5700-1BCPZ-R5 is used as a HART FSK half-duplex modem, complying with the HART physical layer requirements for industrial communication applications.
- What are the key integrated functions of the AD5700-1?
The device integrates functions for filtering, signal detection, modulation, demodulation, and signal generation.
- What is the operating temperature range of the AD5700-1?
The operating temperature range is from -40°C to +125°C.
- What types of clocking configurations are supported by the AD5700-1?
The device supports external crystal, CMOS clock input, and internal RC oscillator (AD5700-1 only) clocking configurations.
- What is the maximum supply current consumption of the AD5700-1 at VCC = 2.7 V?
The maximum supply current consumption is 115 µA at VCC = 2.7 V.
- What is the package type of the AD5700-1BCPZ-R5?
The package type is LFCSP-24 (4x4 mm).
- Does the AD5700-1 have any ESD protection?
Yes, it has an 8 kV HBM ESD rating.
- What interface does the AD5700-1 use for control and data communication?
The device uses a UART interface for control and data communication.
- What are some typical applications of the AD5700-1?
Typical applications include field transmitters, HART multiplexers, PLC and DCS analog I/O modules, and HART network connectivity.
- Does the AD5700-1 require external buffering for the HART output?
No, the AD5700-1 has a buffered HART output with high drive capability, eliminating the need for external buffering.
