Overview
The AD9760ARU50 is a 10-bit, high-performance, low-power CMOS digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the TxDAC series, which is optimized for the transmit signal path of communication systems. This DAC is manufactured on an advanced CMOS process and features a segmented current source architecture combined with a proprietary switching technique to enhance dynamic performance. The AD9760ARU50 supports single-supply operation from 2.7 V to 5.5 V, making it suitable for portable and low-power applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | - | - | Bits |
| Maximum Output Update Rate (fCLOCK) | - | 50 | - | MSPS |
| Output Settling Time (tST) (to 0.1%) | - | 35 | - | ns |
| Integral Nonlinearity (INL) | -1.0 | ±0.5 | +1.0 | LSB |
| Differential Nonlinearity (DNL) | -0.5 | ±0.25 | +0.5 | LSB |
| Power Dissipation @ 5 V | - | 175 | - | mW |
| Power Dissipation @ 3 V | - | 45 | - | mW |
| Power-Down Mode @ 5 V | - | 25 | - | mW |
| Supply Voltage Range | 2.7 | - | 5.5 | V |
| Full-Scale Output Current | - | 20 | - | mA |
| Output Impedance | - | > 100 kΩ | - | Ω |
Key Features
- High-performance, low-power CMOS DAC with 10-bit resolution.
- Maximum output update rate of 50 MSPS for the AD9760-50 model.
- Segmented current source architecture and proprietary switching technique for enhanced dynamic performance.
- Edge-triggered input latches and a 1.2 V temperature-compensated bandgap reference.
- Flexible single-supply operation from 2.7 V to 5.5 V, supporting +3 V and +5 V CMOS logic families.
- Differential current outputs with matching to ensure enhanced dynamic performance in differential output configurations.
- Adjustable full-scale current output from 2 mA to 20 mA.
- Power-down mode to reduce standby power dissipation to approximately 25 mW.
- Available in 28-lead TSSOP packages.
Applications
- Communication systems: basestations, set-top boxes, digital radio links.
- Direct digital synthesis (DDS).
- Instrumentation.
- Portable and low-power applications due to its flexible supply options and low power dissipation.
Q & A
- What is the resolution of the AD9760ARU50 DAC?
The AD9760ARU50 has a 10-bit resolution. - What is the maximum output update rate of the AD9760-50 model?
The maximum output update rate of the AD9760-50 model is 50 MSPS. - What is the typical output settling time of the AD9760ARU50?
The typical output settling time is 35 ns (to 0.1%). - What is the supply voltage range for the AD9760ARU50?
The supply voltage range is from 2.7 V to 5.5 V. - What are the package options for the AD9760ARU50?
The AD9760ARU50 is available in 28-lead TSSOP packages. - How does the AD9760ARU50 reduce spurious components?
The AD9760ARU50 uses a segmented current source architecture combined with a proprietary switching technique to reduce spurious components. - What is the full-scale output current of the AD9760ARU50?
The full-scale output current is 20 mA, and it is adjustable from 2 mA to 20 mA. - What is the output impedance of the AD9760ARU50?
The output impedance is greater than 100 kΩ. - Does the AD9760ARU50 support differential output configurations?
Yes, it provides differential current outputs with matching to ensure enhanced dynamic performance in differential output configurations. - How much power does the AD9760ARU50 consume in power-down mode?
In power-down mode, the AD9760ARU50 consumes approximately 25 mW at 5 V.
