SBAS971C
December 2019 – June 2020
AFE7920
,
AFE7921
,
AFE7988
,
AFE7989
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Functional Block Diagram
4.1
AFE7920/AFE7921 Functional Block Diagram
4.2
AFE7988/89 Functional Block Diagram
5
Revision History
6
Device and Documentation Support
6.1
Device Support
6.1.1
Third-Party Products Disclaimer
6.2
Related Links
6.3
Receiving Notification of Documentation Updates
6.4
Support Resources
6.5
Trademarks
6.6
Electrostatic Discharge Caution
6.7
Glossary
7
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
ABJ|400
MCBG079C
散热焊盘机械数据 (封装 | 引脚)
订购信息
sbas971c_oa
sbas971c_pm
1
Features
Quad RF sampling 12-GSPS transmit DACs
Quad RF sampling 3-GSPS receive ADCs
Dual RF sampling 3-GSPS feedback ADCs (AFE792x only)
Maximum RF signal bandwidth:
TX/FB: 1200 MHz (AFE7920/88) or 400 MHz (
AFE7989) or 800MHz (AFE7921)
RX: 600 MHz (AFE7920/88) or 400 MHz (AFE7921/AFE7989)
Digital Step Attenuators (DSA):
TX: 40 dB range, 1-dB analog and 0.125-dB digital steps
RX: 25 dB range, 0.5-dB steps
FB: 25 dB range, 0.5-dB steps
Single or dual-band DUC/DDCs (AFE7920/88 only) for TX and RX
Dual NCOs for fast frequency switching
Supports TDD operation with fast switching between TX and RX
Internal PLL/VCO to generate DAC/ADC clocks
Optional external CLK at DAC or ADC rate
SerDes data interface:
JESD204B and JESD204C compliant
8 SerDes transceivers up to 29.5 Gbps
8b/10b and 64b/66b encoding
12-bit, 16-bit, 24-bit, and 32-bit resolution
Subclass 1 multi-device synchronization
Package: 17-mm × 17-mm FCBGA, 0.8-mm pitch