16-bit, 160Msps ADC Delivers 77dB SNR for High Performance Communications Systems & Instrumentation
The LTC2209 has two unique features that simplify receiver design and improve system performance. The first is an internal transparent dither circuit that improves the ADC’s SFDR response well beyond 100dBc for low level input signals. The second feature is a digital output randomizer that dramatically reduces unwanted tones caused by digital feedback. The flexible digital outputs can be run as CMOS or LVDS.
The LTC2209 also features a programmable gain amplifier (PGA) front end that eases the ADC driver output power requirements when driving the lower input range of 1.5VP-P. This improves the distortion performance and power consumption of the driver with minimal impact on ADC noise performance.
The LTC2209 delivers an extensive feature set in a 9mm x 9mm QFN package, ensuring low power consumption of 1450mW without the need for heat sinking. Most importantly, total solution size with integrated bypass capacitance is less than half the nearest competitor and power consumption is equivalent to competitive parts sampling at half the speed. Designed for ease of use, the LTC2209 requires only a single 3.3V supply for operation and comes with a clock duty cycle stabilizer for maintaining the ADC’s performance over varying duty cycles. The LTC2209 can accept high frequency, wide dynamic range signals, offering a wide analog input bandwidth of 700MHz.
The LTC2209 family includes speed grades of 160Msps, 130Msps, 105Msps, 80Msps, 65Msps, 40Msps, 25Msps and 10Msps, all with superior SFDR and SNR performance. In addition to the 16-bit LTC2209, the pin-compatible LTC2209-14 14-bit version will also be available. (Samples and demo boards for the LTC2209 are available from our website). The LTC2209 is available today in both commercial and industrial temperature grades.
The following provides a table of the entire LTC2209 product family. All parts can be ordered in optional lead-free packages for RoHS compliance.
LINEAR TECHNOLOGY GmbH
Linear Technology Corporation, a manufacturer of high performance linear integrated circuits, was founded in 1981, became a public company in 1986 and joined the S&P 500 index of major public companies in 2000. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, uModule(TM) products, and many other analog functions. Applications for Linear Technology's high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems. For more information, visit www.linear.com.
LT, LTC, LTM, Burst Mode and are registered trademarks and uModule is a trademark of Linear Technology Corp. All other trademarks are the property of their respective owners.
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