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AD9959 - 4 Channel 500MSPS DDS with 10-bit DACs

Description

3  Specifications 4  Absolute Maximum Ratings 8  ESD Caution 8  Pin Configuration and Function Descriptions 9  Typical Performance Characteristics 11  Application Circuits 14  Equivalent Input and Output Circuits 17  Theory of Operation 18  DDS Core 18  Digital-to-Analog Converter 18  Modes of

Features

  • 4 synchronized DDS channels @ 500 MSPS Independent frequency/phase/amplitude control between channels Matched latencies for frequency/phase/amplitude changes Excellent channel-to-channel isolation (>65 dB) Linear frequency/phase/amplitude sweeping capability Up to 16 levels of frequency/phase/amplitude modulation (pin-selectable) 4 integrated 10-bit digital-to-analog converters (DACs) Individually programmable DAC full-scale currents 0.12 Hz or better frequency tuning resolution 14-bit phase off.

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Full PDF Text Transcription

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4-Channel, 500 MSPS DDS with 10-Bit DACs AD9959 FEATURES 4 synchronized DDS channels @ 500 MSPS Independent frequency/phase/amplitude control between channels Matched latencies for frequency/phase/amplitude changes Excellent channel-to-channel isolation (>65 dB) Linear frequency/phase/amplitude sweeping capability Up to 16 levels of frequency/phase/amplitude modulation (pin-selectable) 4 integrated 10-bit digital-to-analog converters (DACs) Individually programmable DAC full-scale currents 0.12 Hz or better frequency tuning resolution 14-bit phase offset resolution 10-bit output amplitude scaling resolution Serial I/O port interface (SPI) with enhanced data throughput Software-/hardware-controlled power-down Dual supply operation (1.8 V DDS core/3.
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