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ADS4229IRGCR bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS4229IRGCR bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 67 page ADS4229 12-bit ADC INP_A INM_A Sampling Circuit 12-bit ADC INP_B INM_B Sampling Circuit CLKP CLKM DA0P DA0M DA12P DA12M DB0P DB0M DB12P DB12M CLKOUTP CLKOUTM CLK Gen Reference VCM LVDS Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADS4229 SBAS550C – JUNE 2011 – REVISED MAY 2015 ADS4229 Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC 1 Features 3 Description The ADS4229 is a member of the ADS42xx ultralow- 1 • Maximum Sample Rate: 250 MSPS power family of dual-channel, 12-bit and 14-bit • Ultralow Power with Single 1.8-V Supply: analog-to-digital converters (ADCs). Innovative – 545-mW Total Power at 250 MSPS design techniques are used to achieve high dynamic performance, while consuming extremely low power • High Dynamic Performance: with a 1.8-V supply. This topology makes the – 80.8-dBc SFDR at 170 MHz ADS4229 well-suited for multi-carrier, wide-bandwidth – 69.4-dBFS SNR at 170 MHz communications applications. • Crosstalk: > 90 dB at 185 MHz The ADS4229 has gain options that can be used to • Programmable Gain Up to 6 dB for improve spurious-free dynamic range (SFDR) SNR and SFDR Trade-off performance at lower full-scale input ranges. This device also includes a dc offset correction loop that • DC Offset Correction can be used to cancel the ADC offset. Both double • Output Interface Options: data rate (DDR) low-voltage differential signaling – 1.8-V Parallel CMOS Interface (LVDS) and parallel complementary metal oxide semiconductor (CMOS) digital output interfaces are – DDR LVDS With Programmable Swing: available in a compact QFN-64 PowerPAD™ – Standard Swing: 350 mV package. – Low Swing: 200 mV The device includes internal references while the • Supports Low Input Clock Amplitude traditional reference pins and associated decoupling Down to 200 mVPP capacitors have been eliminated. The ADS4229 is • Package: 9-mm × 9-mm, 64-Pin Quad Flat specified over the industrial temperature range No-Lead (QFN) Package (–40°C to +85°C). Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Wireless Communications Infrastructure ADS4229 VQFN (64) 9.00 mm × 9.00 mm • Software Defined Radio (1) For all available packages, see the orderable addendum at • Power Amplifier Linearization the end of the datasheet. ADS4229 Block Diagram 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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