AFE7070

AFE7070 www.ti.com SLOS761D – FEBRUARY 2012 – REVISED JANUARY 2013 Dual 14-Bit 65-MSPS Digital-to-Analog Converter With Integrated Analog Quadrature Modulator Check for Samples: AFE7070 FEATURES 1 Maximum Sample Rate: 65 MSPS Low Power: – 325 mW LVDS Output Mode – 334 mW Analog Output Mode Interleaved CMOS Input, 1.8–3.3 V IOVDD Input FIFO for Independent Data and DAC Clocks 3- or 4-pin SPI Interface for Register Programming Complex NCO (DDS): 32-Bit Frequency, 16-Bit Phase Quadrature Modulator Correction: Gain, Phase, Offset for Sideband and LO Suppression Analog Baseband Filter With Programmable Bandwidth: 20-MHz Maximum RF Bandwidth RF Ouput: Analog (linear) or LVDS (Clock) RF Frequency Range: 100 MHz to 2.7 GHz Package: 48-Pin QFN (7-mm × 7-mm) APPLICATIONS Low-Power, Compact Software-Defined Radios Femto- and Pico-Cell BTS Clock Frequency Translation DESCRIPTION The AFE7070 is a dual 14-bit 65-MSPS digital-toanalog converter (DAC) with integrated, programmable fourth-order baseband filter and analog quadrature modulator. The AFE7070 includes additional digital signal-processing features such as a numerically controlled oscillator for frequency generation/translation, and a quadrature modulator correction circuit, providing LO and sideband suppression capability. The AFE7070 has an interleaved 14-bit 1.8-V to 3.3-V CMOS input. The AFE7070 provides 20 MHz of RF signal bandwidth with an RF output frequency range of 100 MHz to 2.7 GHz. An o...