PRODUCT DESCRIPTION

The AD9762 is the 12-bit resolution member of the TxDAC series of high performance, low power CMOS digital-to-analog converters (DACs). The TxDAC family which consists of pin compatible 8-, 10-, 12-, and 14-bit DACs is specifically optimized for the transmit signal path of communication systems. All of the devices share the same interface options, small outline package and pinout, thus providing an upward or downward component selection path based on performance, resolution and cost. The AD9762 offers exceptional ac and dc performance while supporting update rates up to 125 MSPS.

The AD9762’s flexible single-supply operating range of 2.7 V to 5.5 V and low power dissipation are well suited for portable and low power applications. Its power dissipation can be further reduced to a mere 45 mW without a significant degradation in performance by lowering the full-scale current output. Also, a power-down mode reduces the standby power dissipation to approximately 25 mW.

FEATURES

Member of Pin-Compatible TxDAC Product Family

125 MSPS Update Rate

12-Bit Resolution

Excellent Spurious Free Dynamic Range Performance

SFDR to Nyquist @ 5 MHz Output: 70 dBc

Differential Current Outputs: 2 mA to 20 mA

Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V

Power-Down Mode: 25 mW @ 5 V

On-Chip 1.20 V Reference

Single +5 V or +3 V Supply Operation

Package: 28-Lead SOIC and TSSOP

Edge-Triggered Latches

APPLICATIONS

Communication Transmit Channel:

Basestations (Single/Multichannel Applications)

ADSL/HFC Modems

Direct Digital Synthesis (DDS)

Instrumentation

AD9762AR属于集成电路（IC） > 数模转换器（DAC）。亚德诺半导体技术有限公司制造生产的AD9762AR数模转换器（DAC）数模转换器（DAC、D/A、D2A 或 D 转 A）可将数字信号转换为缓冲或无缓冲的模拟电压或电流。DAC 架构是否适合特定应用，要取决于分辨率和采样频率。DAC 通常用于音乐播放器，将数字数据流转换为模拟音频流。它们还用于电视和手机，将数字视频数据转换为模拟视频信号，再连接到屏幕驱动器，以显示单色或彩色图像。