Overview
The AD5308ARU is a high-quality Digital to Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD5308 series, which includes octal 8-bit buffered voltage output DACs. It is designed to operate from a single supply voltage ranging from 2.5 V to 5.5 V, making it versatile for various applications. The AD5308ARU features a 16-lead TSSOP package and is known for its low power consumption and rail-to-rail output capability.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 8 |
| Number of D/A Converters | 8 |
| Settling Time | 8µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI, QSPI, MICROWIRE, DSP |
| Reference Type | External |
| Voltage - Supply, Analog | 2.5 V ~ 5.5 V |
| Voltage - Supply, Digital | 2.5 V ~ 5.5 V |
| INL/DNL (LSB) | ±0.15, ±0.02 |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
Key Features
- Low Power Operation: The AD5308ARU consumes a typical current of 0.7 mA at 3 V and has a power-down mode to 120 nA at 3 V or 400 nA at 5 V.
- High Accuracy: Guaranteed monotonic by design over all codes with INL/DNL of ±0.15 LSB and ±0.02 LSB, respectively.
- Versatile Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, operating at clock rates up to 30 MHz.
- Rail-to-Rail Output: On-chip output buffer amplifiers provide rail-to-rail output swing with a slew rate of 0.7 V/μs.
- Individual Channel Power-Down: Each DAC can be turned off individually with a high impedance output.
- Simultaneous Update of Outputs: The LDAC function allows for simultaneous update of all DAC outputs.
Applications
- Portable Battery-Powered Instruments: Ideal for devices requiring low power consumption.
- Digital Gain and Offset Adjustment: Useful in applications needing precise voltage adjustments.
- Programmable Voltage and Current Sources: Suitable for generating variable voltage or current outputs.
- Optical Networking: Can be used in optical communication systems for signal processing.
- Automatic Test Equipment: Utilized in test and measurement equipment for precise analog output generation.
- Mobile Communications: Applicable in mobile communication devices for signal processing and control.
- Programmable Attenuators: Used in signal attenuation and control applications.
- Industrial Process Control: Employed in industrial automation for precise analog output control.
Q & A
- What is the resolution of the AD5308ARU DAC?
The AD5308ARU has a resolution of 8 bits.
- What is the package type of the AD5308ARU?
The AD5308ARU comes in a 16-lead TSSOP package.
- What are the supply voltage ranges for the AD5308ARU?
The AD5308ARU operates from a single supply voltage ranging from 2.5 V to 5.5 V for both analog and digital supplies.
- What types of interfaces does the AD5308ARU support?
The AD5308ARU supports SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the settling time of the AD5308ARU?
The settling time of the AD5308ARU is 8µs).
- Is the AD5308ARU guaranteed to be monotonic?
Yes, the AD5308ARU is guaranteed to be monotonic by design over all codes).
- Can the AD5308ARU be powered down individually for each DAC?
Yes, each DAC in the AD5308ARU can be turned off individually with a high impedance output).
- What is the operating temperature range of the AD5308ARU?
The operating temperature range of the AD5308ARU is -40°C to 125°C).
- Is the AD5308ARU obsolete?
Yes, the AD5308ARU is listed as obsolete and no longer manufactured. Available substitutes are recommended).
- What is the process for returns or replacement of the AD5308ARU?
Returns or replacements are accepted under specific conditions, including defects reported within 90 days, and products must be returned in their original packaging and unused condition).
