nrf5340

[163] SAADC: Gain error exceeds specified value when using VDD as reference

This anomaly applies to Revision 1, build codes CLAA-D00, QKAA-D00.

Domains

Application

Symptoms

Gain error is outside the expected range.

Conditions

Supply voltage is 2.1 V or lower, CH[n].CONFIG.REFSEL is set to VDD1_4, and CH[n].CONFIG.GAIN is set to Gain1 or Gain1_2.

Consequences

The minimum specification of parameters EG1/2 and EG1 can be down to -4%.

Workaround

Use internal reference.