AFE8406IZDQ Datasheet, PDF (1/151 Pages) Texas Instruments – 14-BIT, 85 MSPS DUAL ADC, 8-CHANNEL WIDEBAND RECEIVER

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1 Introduction
AFE8406
14-BIT, 85 MSPS DUAL ADC, 8-CHANNEL WIDEBAND RECEIVER
SLWS168C – MAY 2005 – REVISED OCTOBER 2008
1.1 FEATURES
• 14-Bit 85-MSPS High-Performance Dual ADC
• Dual ADC Can Be Configured Into Single ADC
• At f_in = 140 MHz, SNR ≥ 71 dBFS,
SFDR ≥ 79 dBc
• At f_in = 70 MHz, SNR ≥ 73 dBFS,
SFDR ≥ 85 dBc
• Independent Clocks for ADC and DDC With
Built-In FIFO
• Programmable Closed Loop VGA Control With
6-Bit Outputs for Each ADC
• Received Total Wideband Power (RTWP)
Measurement for the Composite Power Across
Carriers With Programmable Time Window for
Measurement
• 8 UMTS Digital Down Converter (DDC)
Channels or 16 CDMA/TD-SCDMA DDC
Channels With Programmable 18-Bit Filter
Coefficients
• Each DDC Channel Provides:
– Real or Complex DDC Inputs
– UMTS Mode Rx Filtering: 6-Stage CIC
(m = 1 or 2), up to 40-Tap CFIR, up to
64-Tap PFIR
– CDMA Mode Rx Filtering: 6-Stage CIC
(m = 1 or 2), up to 64-Tap CFIR, up to
64-Tap PFIR
– Individual Channel Specific Power
Measurements
– A Dedicated Final AGC
• Test Bus to Monitor Data at Different Stages of
the DDC Signal Path
• 3.3-V Analog Supplies, 1.5-V Digital Core
Supply, 3.3-V Digital I/O Supply
• 484-Ball Plastic BGA (23 mm × 23 mm) With
1,0-mm Pitch
• Power Dissipation (Eight Active DDC
Channels): 2.7 W
1.2 APPLICATIONS
• Wireless Base Station Receiver
• Multi-Carrier Digital Receiver
• UMTS (4 Carriers-1 Sector With Diversity)
• CDMA (8 Carriers-1 Sector With Diversity)
• TD-SCDMA (16 Carriers-1 Sector Without
Diversity, 8 Carriers-1-Sector With
Diversity)
• Digital Radio Receivers
• Wide Band Receivers
• Software Radios
• Wireless Local Loop
• Intelligent Antenna Systems
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 document.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2005–2008, Texas Instruments Incorporated