Overview
The AD5308BRUZ-REEL7 is an octal 8-bit buffered voltage output Digital-to-Analog Converter (DAC) manufactured by Analog Devices Inc. This device is part of the AD5308/AD5318/AD5328 family, which includes 8-, 10-, and 12-bit resolutions, respectively. The AD5308 operates from a single 2.5 V to 5.5 V supply and is packaged in a 16-lead TSSOP. It is designed for applications requiring multiple analog outputs with high precision and versatility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 bits | |
| Supply Voltage | 2.5 V to 5.5 V | V |
| Current Consumption (typical at 3 V) | 0.7 mA | mA |
| Output Slew Rate | 0.7 V/μs | V/μs |
| Serial Interface Clock Rate | Up to 30 MHz | MHz |
| Reference Input Range | 0.25 VDD to VDD | V |
| Reference Input Impedance (buffered mode) | >10 MΩ | MΩ |
| Power-Down Current (at 5 V) | 400 nA | nA |
| Package Type | 16-lead TSSOP |
Key Features
- Octal 8-bit buffered voltage output DACs with rail-to-rail output swing.
- Operates from a single 2.5 V to 5.5 V supply.
- Versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, operating up to 30 MHz.
- Reference inputs can be configured as buffered, unbuffered, or VDD inputs.
- Power-on reset circuit ensures DAC outputs power up to 0 V and remain there until a valid write.
- Individual power-down feature for each DAC channel, reducing current consumption to 400 nA at 5 V.
- Asynchronous LDAC input allows simultaneous update of all DAC outputs.
Applications
- Optical networking
- Automatic test equipment
- Mobile communications
- Programmable attenuators
- Industrial process control
Q & A
- What is the resolution of the AD5308BRUZ-REEL7 DAC?
The AD5308BRUZ-REEL7 is an 8-bit DAC.
- What is the supply voltage range for the AD5308BRUZ-REEL7?
The device operates from a single 2.5 V to 5.5 V supply.
- What is the typical current consumption of the AD5308BRUZ-REEL7 at 3 V?
The typical current consumption is 0.7 mA at 3 V.
- What is the maximum clock rate for the serial interface of the AD5308BRUZ-REEL7?
The serial interface operates at clock rates up to 30 MHz.
- Can the reference inputs of the AD5308BRUZ-REEL7 be configured in different modes?
Yes, the reference inputs can be configured as buffered, unbuffered, or VDD inputs.
- Does the AD5308BRUZ-REEL7 have a power-down feature?
Yes, each DAC channel can be powered down individually, reducing current consumption to 400 nA at 5 V.
- What is the package type of the AD5308BRUZ-REEL7?
The device is packaged in a 16-lead TSSOP.
- What are some common applications for the AD5308BRUZ-REEL7?
Common applications include optical networking, automatic test equipment, mobile communications, programmable attenuators, and industrial process control.
- How does the power-on reset circuit function in the AD5308BRUZ-REEL7?
The power-on reset circuit ensures that the DAC outputs power up to 0 V and remain there until a valid write to the device takes place.
- Can the outputs of all DACs be updated simultaneously in the AD5308BRUZ-REEL7?
Yes, the outputs of all DACs can be updated simultaneously using the asynchronous LDAC input.
