SBASAO7 july   2023 AFE7954

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Description (continued)
  6. 5Revision History
  7. 6Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information AFE79xx
    5. 6.5  Transmitter Electrical Characteristics
    6. 6.6  PLL/VCO/Clock Electrical Characteristics
    7. 6.7  Digital Electrical Characteristics
    8. 6.8  Power Supply Electrical Characteristics
    9. 6.9  Timing Requirements
    10. 6.10 Switching Characteristics
  8. 7Device and Documentation Support
    1. 7.1 Receiving Notification of Documentation Updates
    2. 7.2 Support Resources
    3. 7.3 Trademarks
    4. 7.4 Electrostatic Discharge Caution
    5. 7.5 Glossary
  9. 8Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Description

The AFE7954 is a high performance, wide bandwidth quad channel RF sampling DAC. With operation up to 12 GHz, this device enables direct RF sampling in the L, S, C and X-band frequency ranges without the need for additional frequency conversions stages. This improvement in density and flexibility enables high-channel-count, multi-mission systems.

The signal paths support interpolation and digital up conversion options that deliver up to 1200 MHz of signal bandwidth for four DACs (TX) or 2400 MHz for two DACs. The output of the DUCs drives a 12-GSPS DAC (digital to analog converter) with a mixed mode output option to enhance 2nd Nyquist operation. The DAC output includes a variable gain amplifier (TX DSA) with 40-dB range and 1-dB analog and 0.125-dB digital steps.

Package Information
PART NUMBERPACKAGE(1)PACKAGE SIZE(2)
AFE7954FC-BGA17 mm × 17 mm
(1) For more information, see Mechanical, Packaging, and Orderable Information.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.


GUID-20220916-SS0I-VN8N-PBXB-DN7NVSJZT08D-low.svgFunctional Block Diagram