Overview
The ADFS5758BCPZ-RL7 is a single-channel, 16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is designed for high-reliability applications, particularly in industrial control systems, and is functional safety approved to SIL 2/SC3 by TÜV Rheinland. It features both voltage and current output capabilities, making it versatile for various industrial and safety-related applications. The ADFS5758 includes advanced diagnostic features, such as an integrated 12-bit diagnostic analog-to-digital converter (ADC), to enhance reliability and fault detection.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Range | −33 V | +33 V | V | AVSS to AVDD1 | |
| Operating Voltage Between Rails | 60 V | V | Maximum operating voltage between AVSS and AVDD1 | ||
| Resolution | 16 bits | ||||
| Voltage Output Accuracy | −500 mV | +500 mV | mV | When dc-to-dc is operating in regulation | |
| Current Output Range | 0 mA | 20 mA | mA | ||
| ADC Resolution | 12 bits | Diagnostic ADC | |||
| Interface Clock Rate | 50 MHz | MHz | 4-wire SPI interface |
Key Features
- Functional safety approved to SIL 2/SC3 by TÜV Rheinland, allowing use in safety-related applications up to SIL 2.
- Integrated 12-bit diagnostic ADC for digitizing internal and external nodes, enhancing reliability and fault detection.
- On-chip dynamic power control (DPC) using an integrated buck dc-to-dc converter to minimize package power dissipation.
- 4-wire serial peripheral interface (SPI) compatible with standard SPI, QSPI, MICROWIRE, DSP, and microcontroller interface standards, with optional SPI cyclic redundancy check (CRC) and a windowed watchdog timer.
- HART network connectivity through the CHART pin, enabling HART signal coupling onto the current output.
- Channel isolated analog outputs suitable for PLC and DCS applications.
Applications
The ADFS5758BCPZ-RL7 is designed for use in various industrial and safety-critical applications, including:
- Programmable Logic Controllers (PLC) and Distributed Control Systems (DCS).
- Safety-related applications up to SIL 2, such as process control and automation systems.
- HART network applications, allowing for communication and control in industrial environments.
- Industrial automation and control systems requiring high reliability and diagnostic capabilities.
Q & A
- What is the resolution of the ADFS5758 DAC? The ADFS5758 has a resolution of 16 bits.
- What is the power supply range for the ADFS5758? The power supply range is from −33 V to +33 V between AVSS and AVDD1.
- Does the ADFS5758 support HART network connectivity? Yes, the ADFS5758 supports HART network connectivity through the CHART pin.
- What is the maximum clock rate for the SPI interface? The maximum clock rate for the SPI interface is 50 MHz.
- Is the ADFS5758 functional safety approved? Yes, it is functional safety approved to SIL 2/SC3 by TÜV Rheinland.
- What diagnostic features does the ADFS5758 include? The ADFS5758 includes an integrated 12-bit diagnostic ADC for digitizing internal and external nodes.
- What type of interface does the ADFS5758 use? The ADFS5758 uses a 4-wire serial peripheral interface (SPI).
- What is the purpose of the on-chip dynamic power control (DPC) in the ADFS5758? The on-chip DPC minimizes package power dissipation using an integrated buck dc-to-dc converter.
- Can the ADFS5758 be used in safety-related applications? Yes, it can be used in safety-related applications up to SIL 2.
- What is the safe state for the ADFS5758? The safe state for the ADFS5758 is open circuit/high impedance).
