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DAC5675-EP датащи(PDF) 1 Page - Texas Instruments |
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DAC5675-EP датащи(HTML) 1 Page - Texas Instruments |
1 / 28 page www.ti.com FEATURES APPLICATIONS DESCRIPTION/ORDERING INFORMATION DAC5675-EP SGLS381A – OCTOBER 2006 – REVISED OCTOBER 2006 14-Bit 400-MSPS Digital-to-Analog Converter • Power Dissipation: 660 mW at fCLK = 400 MSPS, fOUT = 20 MHz • 400-MSPS Update Rate • Package: 48-Pin PowerPAD™ • Controlled Baseline Thermally-Enhanced Thin Quad Flat Pack – One Assembly (HTQFP) TJA = 29.1°C/W – One Test Site – One Fabrication Site • Extended Temperature Performance of –55 °C • Cellular Base Transceiver Station Transmit to 125 °C Channel: – CDMA: WCDMA, CDMA2000, IS-95 • Enhanced Diminishing Manufacturing Sources (DMS) Support – TDMA: GSM, IS-136, EDGE/GPRS – Supports Single-Carrier and Multicarrier • Enhanced Product-Change Notification Applications • LVDS-Compatible Input Interface • Test and Measurement: Arbitrary Waveform • Spurious-Free Dynamic Range (SFDR) to Generation Nyquist • Military Communications – 69 dBc at 70 MHz IF, 400 MSPS • W-CDMA Adjacent Channel Power Ratio (ACPR) – 73 dBc at 30.72-MHz IF, 122.88 MSPS – 71 dBc at 61.44-MHz IF, 245.76 MSPS • Differential Scalable Current Outputs: 2 mA to 20 mA • On-Chip 1.2-V Reference • Single 3.3-V Supply Operation The DAC5675 is a 14-bit resolution high-speed digital-to-analog converter (DAC). The DAC5675 is designed for high-speed digital data transmission in wired and wireless communication systems, high-frequency direct-digital synthesis (DDS), and waveform reconstruction in test and measurement applications. The DAC5675 has excellent spurious-free dynamic range (SFDR) at high intermediate frequencies, which makes it well-suited for multicarrier transmission in TDMA- and CDMA-based cellular base transceiver stations (BTSs). The DAC5675 operates from a single-supply voltage of 3.3 V. Power dissipation is 660 mW at fCLK = 400 MSPS, fOUT = 70 MHz. The DAC5675 provides a nominal full-scale differential current output of 20 mA, supporting both single-ended and differential applications. The output current can be directly fed to the load with no additional external output buffer required. The output is referred to the analog supply voltage AVDD. The DAC5675 comprises a low-voltage differential signaling (LVDS) interface for high-speed digital data input. LVDS features a low differential voltage swing with a low constant power consumption across frequency, allowing for high-speed data transmission with low noise levels; that is, with low electromagnetic interference (EMI). LVDS is typically implemented in low-voltage digital CMOS processes, making it the ideal technology for high-speed interfacing between the DAC5675 and high-speed low-voltage CMOS ASICs or FPGAs. The DAC5675 current-source-array architecture supports update rates of up to 400 MSPS. On-chip edge-triggered input latches provide for minimum setup and hold times, thereby relaxing interface timing. 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. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2006, 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. |
Аналогичный номер детали - DAC5675-EP_15 |
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Аналогичное описание - DAC5675-EP_15 |
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