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IC Electronic information

AD9739A: RF DAC

In Electronic Infomation Category: A | on March 18,2011

AD9739A is a 14-bit, 2.5 GSPS high-performance RF DAC, can be synthesized within the DC to 3 GHz broadband signal. AD9739A and AR2112A-00 datasheet and AD9739 are pin and AR2112A-00 price and function compatible, but does not support synchronous mode, and AR2112A-00 suppliers and the nominal operating range is 1.6 Zhi 2.5 GSPS. In addition to the synchronization circuit to, AD9739A on some bad interference (ie the clock image and discrete spurious) between the power-cycle fixed, allowing for system calibration. AD9739 and AD9739A AC linearity and noise performance of the same.

Built-in controller chip to simplify system integration. Source-synchronous LVDS interface, dual-port simplifies existing FGPA / ASIC technology, the digital interface. On-chip controller for managing external and internal clock domains with temperature changes, the host and the DAC to ensure reliable data transfer between the kernel. In addition, a serial peripheral interface (SPI), used for device configuration and status register read-back.

AD9739A using 0.18 m CMOS process, to 1.8 V and 3.3 V power supply. The device provides 160-pin chip scale ball grid array package, the package parasitics low.

Features

Direct RF synthesis (2.5 GSPS Update Rate)

- Baseband model for the DC to 1.25 GHz

- Mixed Mode 1.25 to 3.0 GHz

Industry-leading single / multi-carrier IF or RF synthesis

Dual-port LVDS data interface

- Working range up to 1.25 GSPS

- Source-synchronous DDR clock Pin compatible with the AD9739

Programmable output current: 8.7 Zhi 31.7 mA

Low power consumption: 1.1 W (2.5 GSPS)

Application

Broadband communication systems

DOCSIS CMTS systems

Military interference transmitter

Instrumentation, automated test equipment

Radar, avionics

AR2112A-00 datasheetAR2112A-00 suppliersAR2112A-00 Price

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