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ADS62P42IRGCRG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS62P42IRGCRG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 70 page 1 FEATURES DESCRIPTION APPLICATIONS ADS62P45, ADS62P44 ADS62P43, ADS62P42 SLAS561A – JULY 2007 – REVISED FEBRUARY 2008 www.ti.com DUAL CHANNEL, 14-BITS, 125/105/80/65 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS • Maximum Sample Rate: 125 MSPS • 14-Bit Resolution with No Missing Codes ADS62P4X is a dual channel 14-bit A/D converter family with maximum sample rates up to 125 MSPS. • 95 dB Crosstalk It combines high performance and low power • Parallel CMOS and DDR LVDS Output Options consumption in a compact 64 QFN package. Using • 3.5 dB Coarse Gain and Programmable Fine an internal sample and hold and low jitter clock Gain up to 6 dB for SNR/SFDR Trade-Off buffer, the ADC supports high SNR and high SFDR at high input frequencies. It has coarse and fine gain • Digital Processing Block with: options that can be used to improve SFDR – Offset Correction performance at lower full-scale input ranges. – Fine Gain Correction, in Steps of 0.05 dB ADS62P4X includes a digital processing block that – Decimation by 2/4/8 consists of several useful and commonly used digital – Built-in and Custom Programmable 24-Tap functions such as ADC offset correction, fine gain correction (in steps of 0.05 dB), decimation by 2,4,8 Low-/High-/Band-Pass Filters and in-built and custom programmable filters. By • Supports Sine, LVPECL, LVDS and LVCMOS default, the digital processing block is bypassed, and Clocks and Amplitude Down to 400 mVPP its functions are disabled. • Clock Duty Cycle Stabilizer Two output interface options exist – parallel CMOS • Internal Reference; Supports External and DDR LVDS (Double Data Rate). ADS62P4X Reference also includes internal references while traditional • 64-QFN Package (9mm × 9mm) reference pins and associated decoupling capacitors have been eliminated. Nevertheless, the device can • Pin Compatible 12-Bit Family (ADS62P2X) also be driven with an external reference. The device is specified over the industrial temperature range (–40 °C to 85°C). • Wireless Communications Infrastructure • Software Defined Radio • Power Amplifier Linearization • 802.16d/e • Medical Imaging • Radar Systems • Test and Measurement Instrumentation ADS62P4X Performance Summary ADS62P45 ADS62P44 ADS62P43 ADS62P42 Fin = 10 MHz (0 dB gain) 88 92 93 94 SFDR, dBc Fin = 190 MHz (3.5 dB gain) 84 86 87 85 Fin = 10 MHz (0 dB gain) 73.7 74.2 74.6 74.7 SINAD, dBFS Fin = 190 MHz (3.5 dB gain) 70.8 71 71.3 70.9 Analog Power, mW 799 710 594 515 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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