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ADC3421 Datasheet(PDF) 1 Page - Texas Instruments |
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ADC3421 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 80 page  Frequency (MHz) 0 12.5 25 37.5 50 62.5 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 D201 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADC3421, ADC3422, ADC3423, ADC3424 SBAS673A – JULY 2014 – REVISED OCTOBER 2015 ADC342x Quad-Channel, 12-Bit, 25-MSPS to 125-MSPS, Analog-to-Digital Converter 1 Features 3 Description The ADC342x are a high-linearity, ultra-low power, 1 • Quad Channel quad-channel, 12-bit, 25-MSPS to 125-MSPS, • 12-Bit Resolution analog-to-digital converter (ADC) family. The devices • Single Supply: 1.8 V are designed specifically to support demanding, high input frequency signals with large dynamic range • Serial LVDS Interface requirements. An input clock divider allows more • Flexible Input Clock Buffer with Divide-by-1, -2, -4 flexibility for system clock architecture design and the • SNR = 70.2 dBFS, SFDR = 87 dBc at SYSREF input enables complete system fIN = 70 MHz synchronization. The ADC342x family supports serial low-voltage differential signaling (LVDS) in order to • Ultra-Low Power Consumption: reduce the number of interface lines, thus allowing for – 98 mW/Ch at 125 MSPS high system integration density. The serial LVDS • Channel Isolation: 105 dB interface is two-wire, where each ADC data are • Internal Dither and Chopper serialized and output over two LVDS pairs. An internal phase-locked loop (PLL) multiplies the • Support for Multi-Chip Synchronization incoming ADC sampling clock to derive the bit clock • Pin-to-Pin Compatible with 14-Bit Version that is used to serialize the 12-bit output data from • Package: VQFN-56 (8 mm × 8 mm) each channel. In addition to the serial data streams, the frame and bit clocks are also transmitted as LVDS outputs. 2 Applications • Multi-Carrier, Multi-Mode Cellular Base Stations Device Information(1) • Radar and Smart Antenna Arrays PART NUMBER PACKAGE BODY SIZE (NOM) • Munitions Guidance ADC342x VQFN (56) 8.00 mm × 8.00 mm • Motor Control Feedback (1) For all available packages, see the orderable addendum at the end of the datasheet. • Network and Vector Analyzers • Communications Test Equipment space • Nondestructive Testing space • Microwave Receivers space • Software-Defined Radios (SDRs) space • Quadrature and Diversity Radio Receivers space space Spectrum at 10-MHz IF (SFDR = 97 dBc, SNR = 70.4 dBFS, SINAD = 70.4 dBFS, THD = 98 dBc, HD2 = 95 dBc, HD3 = 97 dBc) 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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