Overview
The AD9744ARUZ, produced by Analog Devices Inc., is a 14-bit resolution, wideband, third-generation member of the TxDAC series of high-performance, low-power CMOS digital-to-analog converters (DACs). This device is specifically optimized for the transmit signal path of communication systems and offers exceptional AC and DC performance. It supports update rates up to 210 MSPS, making it suitable for high-speed applications. The AD9744ARUZ is part of the TxDAC family, which includes pin-compatible 8-, 10-, 12-, and 14-bit DACs, allowing for flexible component selection based on performance, resolution, and cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | - | - | 14 bits | - |
| Maximum Output Update Rate (fCLOCK) | - | - | 210 MSPS | - |
| Output Settling Time (tST) (to 0.1%) | - | - | 11 ns | - |
| Power Dissipation | - | 135 mW | - | mW |
| Power-Down Mode Power Dissipation | - | 15 mW | - | mW |
| Supply Voltage Range | 2.7 V | - | 3.6 V | V |
| Package Type | - | - | 28-Lead TSSOP | - |
| Signal-to-Noise Ratio (SNR) | - | - | Up to 88 dB | dB |
Key Features
- High-speed, single-ended CMOS clock input supporting up to 210 MSPS conversion rate.
- Low power dissipation: Complete CMOS DAC function operates on 135 mW from a 2.7 V to 3.6 V single supply.
- Power-down mode reduces standby power dissipation to approximately 15 mW.
- Segmented current source architecture combined with a proprietary switching technique to reduce spurious components and enhance dynamic performance.
- Edge-triggered input latches and a 1.2 V temperature-compensated band gap reference integrated for a complete monolithic DAC solution.
- Supports 3 V CMOS logic families.
- Data input supports two's complement or straight binary data coding.
Applications
- Wideband communication transmit channels.
- Direct IF (Intermediate Frequency) stages.
- Base stations.
- Wireless local loops.
- Digital radio links.
- Direct digital synthesis (DDS).
- Instrumentation.
Q & A
- What is the resolution of the AD9744ARUZ DAC?
The AD9744ARUZ has a 14-bit resolution.
- What is the maximum output update rate of the AD9744ARUZ?
The maximum output update rate is up to 210 MSPS.
- What is the typical power dissipation of the AD9744ARUZ?
The typical power dissipation is 135 mW from a 2.7 V to 3.6 V single supply.
- Does the AD9744ARUZ have a power-down mode?
- What type of package is the AD9744ARUZ available in?
The AD9744ARUZ is available in a 28-Lead TSSOP package.
- What is the signal-to-noise ratio (SNR) of the AD9744ARUZ?
The SNR can be up to 88 dB depending on the operating conditions.
- Does the AD9744ARUZ support CMOS logic families?
- What type of data coding does the AD9744ARUZ support?
The AD9744ARUZ supports two's complement or straight binary data coding.
- What are some common applications of the AD9744ARUZ?
- Is the AD9744ARUZ RoHS compliant?
