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Analog Devices Announces DAC That Halves PCB Usage and Supports Multi-Carrier Wireless Standards

Google 우선 소스Published2011.06.27 15:30

Analog Devices Announces DAC That Halves PCB Usage and Supports Multi-Carrier Wireless Standards

- ADI's 16-bit DAC 'AD9146' for wired and wireless communication systems,
- Achieves industry-leading 1.2 GBPS data throughput and low-noise performance in a 7 x 7 mm LFCSP package

June 23, 2011 – Analog Devices ( www.analog.com ), a global leader in high-performance semiconductors and a leader in the global data converter market, announced the 'AD9146', a 16-bit Digital-Analog Converter (DAC) for wired and wireless communication systems that is industry-leading in package size, speed, and noise performance.

The AD9146 is the latest addition to ADI’s TxDAC® data converter portfolio and features an industry-leading 1.2 GSPS data processing speed, -164 dBm/Hz low noise performance, and a 7 mm x 7 mm LFCSP package. In addition, it integrates an 8-bit Low-voltage Differential Signaling (LVDS) interface and a low-noise Phase Locked Loop (PLL) clock multiplier, allowing design engineers to implement up to six transmission channels while reducing the PCB area by half compared to using competing products.


The AD9146 incorporates 2x interpolators and 4x interpolators with Numerically-Controlled Oscillator (NCO) modulation capabilities, which allow baseband signals to be placed anywhere within the DAC bandwidth, making system frequency design easier for design engineers. In addition, because it achieves inter-modulation distortion (IMD) of 81 dBc and low noise performance at 100 MHz, it achieves an excellent adjacent-channel leakage ratio (ACLR) of 82 dBc in the 122 MHz IF band for W-CDMA single-channel applications.

Key Features of the 16-Bit DAC AD9146:
• Supports byte mode or nibble mode with a flexible LVDS interface
• Single-carrier W-CDMA ACLR = 82 dBc in the 122.88 MHz IF band
• Analog output: Adjustable in the range of 8.7–31.7 mA, RL = 25–50 Ω
• Gain and phase control for sideband suppression
• Multi-chip synchronization interface

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