Overview
The AD9708ARZ is an 8-bit, high-performance digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It is part of the TxDAC™ series, which is optimized for the transmit signal path of communication systems. This DAC offers exceptional AC and DC performance, supporting update rates up to 125 MSPS. The AD9708ARZ is designed for low power consumption and is suitable for portable and low power applications, with a flexible single-supply operating range of 2.7 V to 5.5 V.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 bits |
| Update Rate | Up to 125 MSPS |
| Output Type | Current-output |
| Full-Scale Output Current | Nominal 20 mA, adjustable from 2 mA to 20 mA |
| Output Impedance | > 100 kΩ |
| Supply Voltage | 2.7 V to 5.5 V |
| Power Dissipation | Typically 45 mW, standby power approximately 20 mW |
| Package | 28-pin SOIC (Wide) |
| Temperature Range | Industrial temperature range |
| Settling Time | 0.035 μs |
Key Features
- High-speed operation with update rates up to 125 MSPS
- Segmented current source architecture for reduced spurious components and enhanced dynamic performance
- Edge-triggered input latches and temperature-compensated bandgap reference for a complete monolithic DAC solution
- Flexible supply options supporting +3 V and +5 V CMOS logic families
- Differential current outputs for single-ended or differential applications
- Adjustable full-scale output current over a 2 mA to 20 mA range without degradation in dynamic performance
- Low power consumption with a power-down mode for reduced standby power
Applications
- Transmit signal path of communication systems
- Portable and low power applications
- Wireless communication systems
- Baseband and IF signal processing
- Direct digital synthesis (DDS)
Q & A
- What is the resolution of the AD9708ARZ DAC?
The AD9708ARZ has an 8-bit resolution.
- What is the maximum update rate of the AD9708ARZ?
The AD9708ARZ supports update rates up to 125 MSPS.
- What is the output type of the AD9708ARZ?
The AD9708ARZ is a current-output DAC.
- What is the full-scale output current of the AD9708ARZ?
The nominal full-scale output current is 20 mA, but it is adjustable from 2 mA to 20 mA.
- What is the supply voltage range for the AD9708ARZ?
The supply voltage range is from 2.7 V to 5.5 V.
- How much power does the AD9708ARZ typically consume?
The AD9708ARZ typically consumes 45 mW, with standby power approximately 20 mW.
- What package type is the AD9708ARZ available in?
The AD9708ARZ is available in a 28-pin SOIC (Wide) package.
- What is the settling time of the AD9708ARZ?
The settling time is 0.035 μs.
- Is the AD9708ARZ suitable for industrial temperature ranges?
Yes, the AD9708ARZ is specified for operation over the industrial temperature range.
- Can the AD9708ARZ be used in both single-ended and differential applications?
Yes, the AD9708ARZ provides differential current outputs to support both single-ended and differential applications.
