16-Bit IF/Baseband Receiver Subsystem
Linear Technology Inc.
Description
The LTM9001 is an integrated System in a Package (SiP) that includes a high-speed 16-bit A/D converter, matching network, anti-aliasing ?lter and a low noise, differential amplifier with ?xed gain. It is designed for digitizing wide dynamic range signals with an intermediate frequency (IF) range up to 300MHz. The amplifier allows either AC- or DC-coupled input drive. A low-pass or bandpass ?lter network can be implemented with various bandwidths. Contact Linear Technology regarding semi-custom con- ?gurations. The LTM9001 is perfect for IF receivers in demanding communications applications, with AC performance that includes 72dBFS Noise Floor and 82dB spurious free dynamic range (SFDR) at 162.5MHz (LTM9001-AA). The digital outputs can be either differential LVDS or single-ended CMOS. There are two format options for the CMOS outputs: a single bus running at the full data rate or demultiplexed buses running at half data rate. A separate output power supply allows the CMOS output swing to range from 0.5V to 3.3V. The differential ENC+ and ENC– inputs may be driven with a sine wave, PECL, LVDS, TTL or CMOS inputs. An optional clock duty cycle stabilizer allows high performance at full speed with a wide range of clock duty cycles.
Features
Click Here for Evaluation Kits Integrated 16-Bit, High-Speed ADC, Passive Filter and Fixed Gain Differential Amplifier Up to 300MHz IF Range Low-Pass and Bandpass Filter Versions Low Noise, Low Distortion Amplifiers Fixed Gain: 8dB, 14dB, 20dB or 26dB Noise Figure as Low as 5.9dB 50Ω, 200Ω or 400Ω Input Impedance 72dB SNR, 82dB SFDR (LTM9001-AA) Integrated Bypass Capacitance, No External Components Required Optional Internal Dither Optional Data Output Randomizer LVDS or CMOS Outputs 3.3V Single Supply Power Dissipation: 1.65W Clock Duty Cycle Stabilizer 11.25mm x 11.25mm x 2.32mm LGA Package
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