Overview
The AD5373BSTZ-REEL, produced by Analog Devices Inc., is a 32-channel, 14-bit digital-to-analog converter (DAC) integrated into a single package. This device is part of the AD5372/AD5373 family and is available in a 64-lead LQFP package. It is designed to provide high precision and flexibility in various applications, including industrial control systems, instrumentation, and automatic test equipment.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 14 bits | ||
| Number of Channels | 32 | ||
| Nominal Output Span | 4 × VREF (up to 12 V) | V | Dependent on VREF setting |
| Digital Supply Voltage (DVCC) | 2.5 V to 5.5 V | V | JEDEC-compliant digital levels |
| Analog Supply Voltage (VDD) | 9 V to 16.5 V | V | |
| Analog Negative Supply Voltage (VSS) | -16.5 V to -4.5 V | V | |
| Output Impedance | 0.5 Ω | Ω | Typical output impedance |
| Serial Interface Clock Speed | Up to 50 MHz | MHz | Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards |
| Package Type | 64-Lead LQFP |
Key Features
- High-Speed Serial Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, with clock speeds up to 50 MHz.
- Buffered Voltage Outputs: Each of the 32 DAC channels provides buffered voltage outputs with a nominal span of 4× the reference voltage.
- Programmable Gain and Offset: Each DAC channel has programmable gain and offset adjust registers to remove gain and offset errors.
- Channel Grouping and Addressing: The device is divided into four groups of eight DACs, with two offset DACs allowing the output range of the groups to be altered.
- Thermal Shutdown Function: Protects the device from overheating.
- Digital Reset and Clear Function: Allows for digital reset and clear of the DAC outputs to a user-defined SIGGNDx level.
- Simultaneous Update of DAC Outputs: All outputs can be updated simultaneously by taking the LDAC input low.
Applications
- Level Setting in Automatic Test Equipment (ATE): Precise voltage control for automated testing.
- Variable Optical Attenuators (VOA): Used in optical communication systems to adjust signal strength.
- Optical Switches: For controlling optical signals in telecommunications and other optical systems.
- Industrial Control Systems: Provides precise analog outputs for control and monitoring in industrial environments.
- Instrumentation: Used in various measurement and instrumentation applications requiring high precision analog outputs.
Q & A
- What is the resolution of the AD5373BSTZ-REEL?
The AD5373BSTZ-REEL has a resolution of 14 bits.
- How many DAC channels does the AD5373BSTZ-REEL have?
The device has 32 DAC channels.
- What is the nominal output span of the AD5373BSTZ-REEL?
The nominal output span is 4 × VREF, up to a maximum of 12 V.
- What are the compatible serial interface standards for the AD5373BSTZ-REEL?
The device is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the maximum clock speed for the serial interface of the AD5373BSTZ-REEL?
The serial interface can handle clock speeds up to 50 MHz.
- Can the gain and offset of each DAC channel be adjusted independently?
Yes, each DAC channel has programmable gain and offset adjust registers.
- What is the purpose of the thermal shutdown function in the AD5373BSTZ-REEL?
The thermal shutdown function protects the device from overheating.
- How can all DAC outputs be updated simultaneously?
All outputs can be updated simultaneously by taking the LDAC input low.
- What are some common applications of the AD5373BSTZ-REEL?
Common applications include level setting in ATE, variable optical attenuators, optical switches, industrial control systems, and instrumentation.
- What is the package type of the AD5373BSTZ-REEL?
The device is available in a 64-Lead LQFP package.
