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DAC38RFXX Arkusz danych(PDF) 1 Page - Texas Instruments |
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DAC38RFXX Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 141 page Product Folder Order Now Technical Documents Tools & Software Support & Community 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. DAC38RF86, DAC38RF87 DAC38RF97, DAC38RF96 SLASEF4 – FEBRUARY 2017 DAC38RFxx: Dual- or Single-Channel, Single-Ended, 14-bit, 9-GSPS, RF-Sampling DAC with JESD204B Interface and On-Chip GSM PLL 1 1 Features 1 • 14-Bit Resolution • Maximum DAC Sample Rate: 9 GSPS • Key Specifications: – RF Full Scale Output Power at 2.1 GHz:0 dBm – Spectral Performance – fDAC = 5898.24 MSPS, fOUT = 2.14 GHz – WCDMA ACLR: 73 dBc – WCDMA alt-ACLR: 77 dBc – fDAC = 8847.36 MSPS, fOUT = 3.7 GHz – 20 MHz LTE ACLR: 66 dBc – fDAC = 9 GSPS, fOUT = 1.8 GHz – IMD3 = 70 dBc (–6 dBFS, 10 MHz tone spacing) – NSD = –157 dBc/Hz • Dual-Band Digital Upconverter per DAC – Max Input Rate: 1 Band: 1250 MSPS Complex, 2 bands: 625 MSPS Complex Each – 6, 8, 10, 12, 16, 18, 20 or 24x Interpolation – 4 Independent NCOs with 48-Bit Resolution • JESD204B Interface – Subclass 1 Support for Multi-chip Synchronization – Maximum Lane Rate: 12.5 Gbps • Single-Ended Output with Integrated Balun Covering 700–3800 MHz • Internal PLL and VCO with Bypass – DAC38RF86/96: fC(VCO) = 8.9 GHz – DAC38RF87/97: fC(VCO) = 5.9 GHz • Power Dissipation: 1.4 – 2.2 W/ch • Power Supplies: –1.8 V, 1.0 V, 1.8 V • Package: 10 x 10 mm BGA, 0.8 mm Pitch, 144-Balls 2 Applications • Wireless Communications • Radar • Communications Test Equipment • Arbitrary Waveform Generators • Military Software Defined Radio • Satellite Communications (SATCOM) 3 Description The DAC38RFxx is a family of high-performance, dual/single-channel, 14-bit, 9-GSPS, RF-sampling digital-to-analog converters (DACs) that are capable of synthesizing wideband signals from 0 to 4.5 GHz. A high dynamic range allows the DAC38RFxx family to generate 3G/4G signals for wireless basestations with an output frequency up to 4 GHz. The devices feature a low-power JESD204B Interface with up to 8 lanes, and provides a maximum bit rate of 12.5 Gbps and input sample rate of 1.25 GSPS complex per channel. The DAC38RFxx provides two digital upconverters per DAC, with multiple interpolation rates and a digital quadrature modulator with independent, frequency flexible NCOs. An optional low-jitter PLL/VCO simplifies the DAC clock generation by allowing use of a lower frequency reference clock. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DAC38RF86 FCBGA (144) 10.0 mm x 10.0 mm DAC38RF96 DAC38RF87 DAC38RF97 (1) For all available packages, see the orderable addendum at the end of the data sheet. 2x20 MHz LTE at 1.84 GHz and 2.14 GHz, 800 MHz Span |
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