Product Folder Order Now Technical Documents Tools & Software Support & Community AFE7683, AFE7684 AFE7685, AFE7686 SLASEQ7 – MAY 2018 AFE76xx Quad/Dual-Channel, RF Sampling Analog Front-End with 14-Bit 9GSPS DACs and 14-Bit 3GSPS ADCs 1 Device Overview 1.1 Features 1 • 14-Bit Resolution • Sample Rate: – DAC: 9 GSPS – ADC: 3 GSPS • RF Frequency Range: Up to 5.2 GHz • Maximum RF Signal Bandwidth – Quad-Channel Mode (4T4R): 800 MHz (singleband); 300 MHz (dual-band) – Dual-Channel Mode (2T2R): 1200 MHz (TX)/1000 MHz (RX) (single-band); 800MHz(dual-band) • On-Chip Dual Selectable DSAs per RX Channel • Integrated TX DSA Functionality • Digital: – Dual Band Digital Up-Converters (DUCs) – Dual Band Digital Down-Converters (DDCs) 1.2 • • • • • Applications Cellular Base Stations Wideband Communications 1.3 • – 32-Bit NCOs for DUCs/DDCs – Interpolation Ratio: 6x, 8x, 9x, 12x, 16x, 18x, 24x, 36x – Decimation Ratio: /2, /3, /4, /6, /8, /9, /12, /16, /18, /24, /32 – RX/FB Dynamic Switching for TDD Interface: – 8 SerDes Transceivers up to 15Gbps – 16-Bit and 12-Bit JESD204B Transport Layer Formatting with 8b/10b Encoding – Subclass 1 Multi-Device Synchronization Clock: – Internal PLL/VCO to Generate DAC and ADC Clocks Package: 17mm x 17mm FC BGA, 0.8mm Pitch Power Supplies: 1.85 V, 1.15 V, 1.0 V, –1.8 V • • Microwave Backhaul Distributed Antenna Systems (DAS) Description The AFE76xx is a family of high performance, quad/dual channel, 14-bit, integrated RF sampling analog front ends (AFEs) with 9 GSPS DACs and 3 GSPS ADCs, capable of synthesizing and digitizing wideband signals. High dynamic range allows the AFE76xx to generate and digitize 3G/4G signals for wireless base stations. In TDD mode, the receiver channel can be configured to dynamically switching between traffic receiver (TDD RX) status and wideband feedback receiver (TDD FB) status to assist DPD (Digital PreDistortion) of the Power Amplifier (PA) on the transmitter path. The AFE76xx family has integrated DSA on the receiver channels and also supports DSA equivalent functionality on the transmitter channels. Each receiver channel has one analog RF peak power detector and various digital power detectors to assist AGC control for receiver channels, and two RF overload detectors for device reliability protection. The AFE76xx family has 8 of JESD204B compatible SerDes transceivers running up to 15 Gbps. The devices have up to two DUCs per TX channel and two DDCs per RX channel, with multiple interpolation/decimation rates and digital quadrature modulators/demodulators with independent, frequency flexible NCOs. The devices support more than 1000 MHz (800 MHz as 4T4R) RF signal bandwidth in single-band mode, and up to 800 MHz (300 MHz as 4T4R) RF signal bandwidth per band in dual-band mode. A low jitter PLL/VCO simplifies the sampling clock generation by allowing use of a lower frequency reference clock. Table 1-1. Device Information (1) PART NUMBER AFE7685 (1) (2) 1 (2) PACKAGE BODY SIZE FC-BGA 17.00 mm x 17.00 mm For all available packages, see the orderable addendum at the end of the data sheet. Product Preview 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. UNLESS OTHERWISE NOTED, this document contains ADVANCE INFORMATION for pre-production products; subject to change without notice. AFE7683, AFE7684 AFE7685, AFE7686 SLASEQ7 – MAY 2018 www.ti.com Table 1-1. Device Information(1) (continued) PACKAGE BODY SIZE AFE7686 PART NUMBER FC-BGA 17.00 mm x 17.00 mm AFE7683 (2) FC-BGA 17.00 mm x 17.00 mm AFE7684 (2) FC-BGA 17.00 mm x 17.00 mm VDDTX18AB VDDTXAB TXB DSA DUC NCO NCO DAC TXAP/M DUC NCO NCO NCO NCO DUC Traffic Controller TXA DSA DSA RXADSA1P/M MUX DSA ADC ADC DDC SYNCB2CMOS SYNCB3CMOS TX2ENABLE ALARMTX2 RXCDSAFAST RXDDSAFAST TXTDD2 RXTDD2 RXFBSW2 FBBANDSEL2 RXCDSA1PD RXCDSA2PD RXDDSA1PD RXDDSA2PD RXCPD2H RXCPD2L RXDPD2H RXDPD2L TXDP/M DAC NCO NCO DUC RX1P8V RX1P2V Buffer SHA VEE18CD VDDL1CD VDDL2CD DVDD TXD DSA DAC TXBP/M SPIBSEN SPIBSCLK SPIBSDIO SPIBSDO RESET SLEEPMODE PLLCLKLD PLLREFLD VDDGPIO18 VDDCLK RXDSASW TXDSASW CLKOUTP/M Temp Sensor TXCP/M DAC TXC DSA RX1P8V RX1P2V DSA RXCDSA1P/M DDC ADC Buffer SHA MUX VDDL2AB DVDD VDDTX18CD VDDTXCD Divider /2, /3, /4 Low jitter PLL VEE18AB VDDL1AB VDDATX VDDATX18 VDDCLK SYSREFP/M VDDAPLL VDDAVCO18 VDDAPLL18 CLKP/M SPIASDO SPIASDIO SPIASCLK SPIASEN RXBDSA2PD RXBDSA1PD RXADSA2PD RXADSA1PD FBBANDSEL1 RXFBSW1 RXTDD1 TXTDD1 RXBDSAFAST RXADSAFAST RXBPD2L RXBPD2H RXAPD2L RXAPD2H ALARMTX1 TX1ENABLE Functional Block Diagram SYNCB0CMOS SYNCB1CMOS 1.4 DSA RXCDSA2P/M RXADSA2P/M DVDD NCO NCO NCO NCO FSPICLKA FSPIDA DVDD FSPICLKD FSPIDD NCO NCO NCO NCO DSA DSA RXDDSA1P/M MUX DSA Buffer SHA ADC ADC ADC DDC DDC Buffer SHA MUX RXBDSA1P/M DSA RXDDSA2P/M RXBDSA2P/M FSPICLKC FSPIDC FSPICLKB FSPIDB TCLK TCLK TDI TDO TRSTB VDDT VDDR VDDA DVDD SRX8P/M SRX5P/M SYNCBOUT1P/M SYNCBIN1P/M JTAG STX8P/M STX5P/M STX4P/M STX1P/M SYNCBINP/M SYNCBOUT0P/M SRX4P/M SRX1P/M SerDes Figure 1-1. Functional Block Diagram of AFE76xx 2 Device Overview Copyright © 2018, Texas Instruments Incorporated Submit Documentation Feedback AFE7686 AFE7683, AFE7684 AFE7685, AFE7686 Divider /2, /3, /4 Low jitter PLL SYNCB2CMOS SYNCB3CMOS TX2ENABLE ALARMTX2 RXCDSAFAST RXDDSAFAST RXCDSA1PD RXCDSA2PD RXDDSA1PD RXDDSA2PD RXCPD2H RXCPD2L RXDPD2H RXDPD2L TXTDD2 RXTDD2 RXFBSW2 FBBANDSEL2 SPIBSEN SPIBSCLK SPIBSDIO SPIBSDO RESET SLEEPMODE PLLCLKLD PLLREFLD VDDGPIO18 VDDCLK RXDSASW TXDSASW CLKOUTP/M VDDATX VDDATX18 VDDCLK SYSREFP/M VDDAPLL VDDAVCO18 VDDAPLL18 CLKP/M SPIASDO SPIASDIO SPIASCLK SPIASEN RXBDSA2PD RXBDSA1PD RXADSA2PD RXADSA1PD FBBANDSEL1 RXFBSW1 RXTDD1 TXTDD1 RXBDSAFAST RXADSAFAST RXBPD2L RXBPD2H RXAPD2L RXAPD2H ALARMTX1 TX1ENABLE SLASEQ7 – MAY 2018 SYNCB0CMOS SYNCB1CMOS www.ti.com Temp Sensor VDDTX18AB VDDTXAB VDDTX18CD VDDTXCD VEE18AB VDDL1AB NCO NCO VDDL2AB DVDD DAC NCO NCO DUC NCO NCO DUC TXC DSA TXA DSA Traffic Controller RX1P8V RX1P2V DSA RXADSA1P/M MUX DSA Buffer SHA TXCP/M DAC ADC ADC DDC RXADSA2P/M DVDD DSA RXCDSA1P/M DDC ADC Buffer SHA DSA RXCDSA2P/M NCO NCO NCO NCO FSPICLKA FSPIDA RX1P8V RX1P2V MUX TXAP/M NCO NCO VEE18CD VDDL1CD VDDL2CD DVDD DVDD FSPICLKD FSPIDD NCO NCO NCO NCO DSA DSA RXDDSA1P/M MUX DSA Buffer SHA ADC ADC ADC DDC DDC Buffer SHA MUX RXBDSA1P/M DSA RXDDSA2P/M RXBDSA2P/M FSPICLKC FSPIDC FSPICLKB FSPIDB TCLK TCLK TDI TDO TRSTB VDDT VDDR VDDA DVDD SRX8P/M SRX5P/M SYNCBOUT1P/M SYNCBIN1P/M JTAG STX8P/M STX5P/M STX4P/M STX1P/M SYNCBINP/M SYNCBOUT0P/M SRX4P/M SRX1P/M SerDes Figure 1-2. Functional Block Diagram of AFE7683/AFE7684 2 Revision History DATE REVISION NOTES May 2018 * AFE7686 Advance Information Release Revision History Copyright © 2018, Texas Instruments Incorporated Submit Documentation Feedback AFE7686 3 AFE7683, AFE7684 AFE7685, AFE7686 SLASEQ7 – MAY 2018 www.ti.com 3 Device Comparison Table 3-1. Device Features Comparison # of TXs/RXs # of DUCs/TX # of DDCs/RX MAX INPUT/OUTPUT DATA RATE (MSPS) AFE7685 (1) 4T4R 1 1 750 AFE7686 4T4R 2 2 1500 AFE7683 (1) 2T4R 1 1 750 AFE7684 (1) 2T4R 2 2 1500 DEVICE (1) 4 Product Preview Device Comparison Copyright © 2018, Texas Instruments Incorporated Submit Documentation Feedback AFE7686 AFE7683, AFE7684 AFE7685, AFE7686 www.ti.com SLASEQ7 – MAY 2018 4 Device and Documentation Support 4.1 4.1.1 Device Support Third-Party Products Disclaimer TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE. 4.2 Documentation Support To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. The current documentation that describes the DSP, related peripherals, and other technical collateral is listed below. 4.2.1 Related Documentation AFE76xx EVM Design Document User's Guide (SLAU761) AFE76xx Technical Reference Manual (SLAU744) AFE76xx Programmer's User's Guide (SLAU767) 4.3 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 4-1. Related Links 4.4 PARTS PRODUCT FOLDER ORDER NOW TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY AFE7683 Click here Click here Click here Click here Click here AFE7684 Click here Click here Click here Click here Click here AFE7685 Click here Click here Click here Click here Click here AFE7686 Click here Click here Click here Click here Click here Community Resources The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. TI E2E™ Online Community The TI engineer-to-engineer (E2E) community was created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers. 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Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 4.7 Export Control Notice Recipient agrees to not knowingly export or re-export, directly or indirectly, any product or technical data (as defined by the U.S., EU, and other Export Administration Regulations) including software, or any controlled product restricted by other applicable national regulations, received from disclosing party under nondisclosure obligations (if any), or any direct product of such technology, to any destination to which such export or re-export is restricted or prohibited by U.S. or other applicable laws, without obtaining prior authorization from U.S. Department of Commerce and other competent Government authorities to the extent required by those laws. 4.8 Glossary TI Glossary This glossary lists and explains terms, acronyms, and definitions. 6 Device and Documentation Support Copyright © 2018, Texas Instruments Incorporated Submit Documentation Feedback AFE7686 AFE7683, AFE7684 AFE7685, AFE7686 www.ti.com SLASEQ7 – MAY 2018 5 Mechanical, Packaging, and Orderable Information 5.1 Packaging Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Copyright © 2018, Texas Instruments Incorporated Mechanical, Packaging, and Orderable Information Submit Documentation Feedback AFE7686 7 PACKAGE OPTION ADDENDUM www.ti.com 30-May-2018 PACKAGING INFORMATION Orderable Device Status (1) PAFE7686ABJ ACTIVE Package Type Package Pins Package Drawing Qty FCBGA ABJ 400 90 Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) TBD Call TI Call TI Op Temp (°C) Device Marking (4/5) -40 to 85 XAFE76XX B0 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. 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