[91] RADIO: Radio performance using CSP package version

This anomaly applies to IC Rev. Rev 2, build codes QFAA-E00, CIAA-E00, QFAB-E00.

It was inherited from the previous IC revision Rev 1.

Symptoms

WLCSP package has reduced receiver sensitivity compared to QFN packages in LDO and DCDC regulator modes.

Conditions

  • Average Sensitivity over all channels degraded in LDO mode by 2 dB.
  • Average Sensitivity over all channels degraded in DCDC mode by 4 dB.

Consequences

Reduced receiver sensitivity.

Workaround

None.