AD9858BSV

1 GSPS, direct digital synthesizer (DDS), QFP, Up to 2 GHz input clock, 4 V, 5 mA

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PartNumber:: AD9858BSV

Brand:: Analog Devices - ADI | Pack: QFP | D/C: 07+

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Products Upload time: 2011-10-23

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Product Summary

The AD9858BSV is a direct digital synthesizer (DDS) featuring a 10-bit DAC operating up to 1GSPS. The AD9858BSV uses advanced DDS technology, coupled with an internal high speed, high performance D/A converter to form a digitally programmable, complete high frequency synthesizer capable of generating a frequency-agile analog output sine wave at up to 400+ MHz. The AD9858BSV is designed to provide fast frequency hopping and fine tuning resolution (32-bit frequency tuning word). The frequency tuning and control words are loaded into the device via parallel (8-bit) or serial loading formats. The AD9858BSV contains an integrated charge pump (CP) and phase frequency detector (PFD) for synthesis applications requiring the combination of a high speed DDS along with phase-locked loop (PLL) functions. An analog mixer is also provided on-chip for applications requiring the combination of a DDS, PLL, and mixer, such as frequency translation loops, tuners, and so on. The AD9858BSV also features a divide-by-2 on the clock input, allowing the external clock to be as high as 2 GHz.

Parametrics

AD9858BSV absolute maximum ratings: (1)AVDD: 4 V; (2)DVDD: 4 V; (3)CPVDD: 6 V; (4)Digital Input Voltage: –0.7 V to +VDD; (5)Digital Output Current: 5 mA; (6)Storage Temperature: –65℃ to +150℃; (7)Operating Temperature: –40℃ to +85℃; (8)θJA EPAD Soldered: 25℃/W.

Features

AD9858BSV features: (1)1 GSPS internal clock speed; (2)Up to 2 GHz input clock (selectable divide-by-2); (3)Integrated 10-bit DAC; (4)Excellent phase noise and SFDR; (5)32-bit programmable frequency register; (6)Simplified 8-bit parallel and SPI serial control interface; (7)Automatic frequency sweeping capability; (8)4 frequency profiles; (9)3.3 V power supply; (10)Power dissipation: 2 W typical; (11)Integrated programmable charge pump and phase frequency detector with fast lock circuit; (12)Isolated charge pump supply up to 5 V; (13)Integrated 2 GHz mixer.