Product Order Technical Tools & Support & Folder Now Documents Software Community DAC38RF86, DAC38RF96 DAC38RF87, DAC38RF97 SLASEF4B –FEBRUARY 2017–REVISED JULY 2017 DAC38RFxx Dual-Channel, Single-Ended, 14-Bit, 6- and 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip GSM PLL 1 Features 3 Description The DAC38RF86/96 is a family of high-performance, 1• 14-Bit Resolution dual-channel, 14-bit, 9-GSPS, RF-sampling digital-to- • Maximum DAC Sample Rate: analog converters (DACs) that are capable of – 9.0 GSPS (DAC38RF86, DAC38RF96) synthesizing wideband signals from 0 to 4.5 GHz. – 6.2 GSPS (DAC38RF87, DAC38RF97) The DAC38RF87/97 is also a family of high- performance, dual-channel, 14-bit, 6-GSPS, RF- • Key Specifications: sampling digital-to-analog converters (DACs) that are – RF Full-Scale Output Power at 2.1 GHz:0 dBm capable of synthesizing wideband signals from 0 to 3 – Spectral Performance, DAC38RF87/97 GHz. A high dynamic range allows the DAC38RFxx – f = 5898.24 MSPS, f = 2.14 GHz family to generate signals for a wide range of DAC OUT applications including 3G/4G signals for wireless – WCDMA ACLR: 73 dBc base-stations and radar. – WCDMA alt-ACLR: 77 dBc The devices feature a low-power JESD204B Interface – Spectral Performance, DAC38RF86/96 with up to 8 lanes with a maximum bit rate of 12.5 – fDAC = 8847.36 MSPS, fOUT = 3.7 GHz Gbps allowing an input data rate of 1.25 GSPS – 20 MHz LTE ACLR: 66 dBc complex per channel. The DAC38RFxx provides two digital up-converters per channel, with multiple – fDAC = 9 GSPS, fOUT = 1.8 GHz, –6 dBFS options for interpolation rates. A digital quadrature – IMD3 = 70 dBc (10-MHz tone spacing) modulator with independent, frequency flexible NCOs • Dual-Band Digital Up-converter per DAC are available to support multi-band operation. A GSM compliant low phase noise PLL/VCO is integrated to – 6, 8, 10, 12, 16, 18, 20 or 24x Interpolation simplify the DAC sampling clock generation by – 4 Independent NCOs With 48-Bit Resolution allowing the use of a lower frequency reference clock • JESD204B Interface, Subclass 1 Device Information(1) – Support for Multichip Synchronization NUMBER OF PART NUMBER OUTPUT TYPE – Maximum Lane Rate: 12.5 Gbps CHANNELS • Single-Ended Output With Integrated Balun DAC38RF86 Covering 700 MHz to 3800 MHz DAC38RF96 Single ended 2 • Internal PLL and VCO DAC38RF87 – DAC38RF86/96: fC(VCO) = 8.85 GHz DAC38RF97 – DAC38RF87/97: fC(VCO) = 5.90 GHz (1) For all available device options, see the Device Comparison • Power Dissipation: 1.4 to 2.2 W/ch Table. • Power Supplies: –1.8 V, 1 V, 1.8 V 2x20-MHz LTE at 1.84 GHz and 2.14 GHz, • Package: 10 x 10 mm BGA, 0.8 mm Pitch, 144- 800 MHz Span Balls 2 Applications • Wireless Communications • Communications Test Equipment • Arbitrary Waveform Generators • Military Software Defined Radios • Radar and Satellite Communications (SATCOM) 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. DAC38RF86, DAC38RF96 DAC38RF87, DAC38RF97 SLASEF4B –FEBRUARY 2017–REVISED JULY 2017 www.ti.com Table of Contents 1 Features .................................................................. 1 8.3 Feature Description................................................. 29 2 Applications ........................................................... 1 8.4 Device Functional Modes........................................ 64 3 Description ............................................................. 1 8.5 Register Maps ........................................................ 68 4 Revision History..................................................... 2 9 Application and Implementation ...................... 130 5 Device Comparison Table..................................... 5 9.1 Application Information.......................................... 130 9.2 Typical Application: Multi-band Radio Frequency 6 Pin Configuration and Functions ......................... 6 Transmitter ............................................................ 131 7 Specifications......................................................... 9 10 Power Supply Recommendations ................... 134 7.1 Absolute Maximum Ratings ...................................... 9 10.1 Power Supply Sequencing.................................. 135 7.2 ESD Ratings.............................................................. 9 11 Layout................................................................. 135 7.3 Recommended Operating Conditions....................... 9 11.1 Layout Guidelines ............................................... 135 7.4 Thermal Information................................................ 10 11.2 Layout Example .................................................. 137 7.5 Electrical Characteristics - DC Specifications......... 10 12 Device and Documentation Support ............... 138 7.6 Electrical Characteristics - Digital Specifications .... 13 12.1 Related Links ...................................................... 138 7.7 Electrical Characteristics - AC Specifications ......... 16 12.2 Receiving Notification of Documentation 7.8 PLL/VCO Electrical Characteristics ........................ 19 Updates.................................................................. 138 7.9 Timing Requirements.............................................. 20 12.3 Community Resources........................................ 138 7.10 Typical Characteristics, DAC38RF86 and 12.4 Trademarks ......................................................... 138 DAC38RF96 ............................................................ 21 12.5 Electrostatic Discharge Caution.......................... 138 8 Detailed Description ............................................ 27 12.6 Glossary .............................................................. 138 8.1 Overview ................................................................. 27 13 Mechanical, Packaging, and Orderable 8.2 Functional Block Diagrams ..................................... 27 Information ......................................................... 138 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision A (April 2017) to Revision B Page • Changed the Description ........................................................................................................................................................ 1 • Changed the Device Information table ................................................................................................................................... 1 • Changed From: alarm_out_pol To: alm_out_pol in ALARM pin description in the Pin Functions table ................................ 7 • Changed the Description of pins A3, A4, A7, A6, A9, A10, A12, F11, F7, G6, G12, H5, H7, J6, J11 in the Pin Functions table ....................................................................................................................................................................... 7 • Added description to TXENABLE pin in the Pin Functions table ........................................................................................... 8 • Changed the MAX value of VEE18N rail in the Absolute Maximum Ratings From: 0.5 V To: 0.3 V..................................... 9 • Added "Supply Voltage Range" to the Recommended Operating Conditions table .............................................................. 9 • Added "Reference voltage drift" to the Electrical Characteristics - DC Specifications table ................................................ 10 • Added Isolation vs Output Frequency plot in Figure 14 ....................................................................................................... 22 • Added Isolation vs output frequency plot for DAC38RF87/97 in Figure 30 ........................................................................ 26 • Changed the MPY values in Table 4.................................................................................................................................... 31 • Added MPY value for 16.5x to Table 4 ................................................................................................................................ 31 • Changed x To: √ in the JESD204B Formats for DAC38RFxx table..................................................................................... 34 • Changed JESD204B frame format for LMFSHd=84111 in Table 12 ................................................................................... 35 • Changed JESD204B frame format for LMFSHd=44210 in Table 14 ................................................................................... 36 • Changed JESD204B frame format for LMFSHd=24410 in Table 16 ................................................................................... 36 • Changed JESD204B frame format for LMFSHd=44210 in Table 17 ................................................................................... 36 • Changed JESD204B frame format for LMFSHd=88210 in Table 18 ................................................................................... 37 • Changed JESD204B frame format for LMFSHd=24410 in Table 19 ................................................................................... 37 • Changed JESD204B frame format for LMFSHd=48410 in Table 20 ................................................................................... 37 • Changed JESD204B frame format for LMFSHd=24310 in