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DAC5675AHFG Datasheet(PDF) 1 Page - Texas Instruments |
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DAC5675AHFG Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page Bandgap Reference 1.2V Control Amp Current Source Array Output Current Switches DAC Latch + Drivers Decoder Input Latches LVDS Input Interface Clock Distribution SLEEP EXTIO BIASJ D[13:0]A D[13:0]B CLK CLKC AV DD(4x) AGND(4x) DV DD(2x) DGND(2x) 14 14 DAC5675A Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DAC5675A-SP SGLS387G – JULY 2007 – REVISED MARCH 2015 DAC5675A-SP Radiation-Tolerant, 14-Bit, 400-MSPS Digital-to-Analog Converter 1 Features 3 Description The DAC5675A-SP is a radiation-tolerant, 14-bit 1 • QMLV (QML Class V) MIL-PRF-38535 Qualified, resolution high-speed digital-to-analog converter SMD 5962-07204 (DAC) primarily suited for space satellite applications. – 5962-0720401VXC – Qualified over the The DAC5675A-SP is designed for high-speed digital Military Temperature Range (–55°C to 125°C) data transmission in wired and wireless communication systems, high-frequency direct digital – 5962-0720402VXC – Qualified over Reduced synthesis (DDS), and waveform reconstruction in test Temperature Range (–55°C to 115°C) for and measurement applications. The DAC5675A-SP Improved Dynamic Performance has excellent SFDR at high intermediate frequencies, • High-Performance 52-Pin Ceramic Quad Flat which makes it well suited for multicarrier Pack (HFG) transmission in TDMA and CDMA based cellular base • 400-MSPS Update Rate transceiver stations (BTSs). • LVDS-Compatible Input Interface The DAC5675A-SP operates from a single supply • Spurious-Free Dynamic Range (SFDR) to Nyquist voltage of 3.3 V. Power dissipation is 660 mW at ƒCLK = 400 MSPS, ƒOUT = 70 MHz. The DAC5675A- – 69 dBc at 70 MHz IF, 400 MSPS SP provides a nominal full-scale differential current • W-CDMA Adjacent Channel Power Ratio (ACPR) output of 20 mA, supporting both single-ended and – 73 dBc at 30.72 MHz IF, 122.88 MSPS differential applications. The output current can be directly fed to the load with no additional external – 71 dBc at 61.44 MHz IF, 245.76 MSPS output buffer required. The output is referred to the • Differential Scalable Current Outputs: 2 to 20 mA analog supply voltage AVDD. • On-Chip 1.2-V Reference The DAC5675A-SP includes a low-voltage differential • Single 3.3-V Supply Operation signaling (LVDS) interface for high-speed digital data • Power Dissipation: 660 mW at ƒCLK = 400 MSPS, input. LVDS features a low differential voltage swing ƒOUT = 20 MHz with a low constant power consumption across frequency, allowing for high-speed data transmission with low noise levels (low electromagnetic 2 Applications interference (EMI)). • Radiation Hardened Digital to Analog (DAC) Applications Device Information(1) • Space Satellite RF Data Transmission PART NUMBER PACKAGE BODY SIZE (NOM) • Cellular Base Transceiver Station Transmit DAC5675A-SP HFG (52 CQFP) 19.05 mm × 19.05 mm Channel: (1) For all available packages, see the orderable addendum at – CDMA: WCDMA, CDMA2000, IS-95 the end of the data sheet. – TDMA: GSM, IS-136, EDGE/GPRS Simplified Schematic – Supports Single-Carrier and Multicarrier Applications • Engineering Evaluation (/EM) Samples are Available (1) (1) These units are intended for engineering evaluation only. They are processed to a non-compliant flow (for example, no burn-in) and are tested to temperature rating of 25°C only. These units are not suitable for qualification, production, radiation testing or flight use. Parts are not warranted for performance on full MIL specified temperature range of –55°C to 125°C or operating life. 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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