ADMP421

Rev. 0 | Page 12 of 16

RELIABILITY SPECIFICATIONS

The microphone sensitivity after stress must deviate by no more than 3 dB from the initial value.

Table 7.

Stress Test

Description

Low Temperature Operating Life

−40°C, 500 hrs, powered

High Temperature Operating Life

+125°C, 500 hrs, powered

THB

65°C/85% relative humidity (RH), 500 hrs, powered

Temperature Cycle

−40°C/+125°C, one cycle per hour, 100 cycles

High Temperature Storage

150°C, 500 hrs

Low Temperature Storage

−40°C, 500 hrs

Component CDM ESD

All pins, 0.5 kV

Component HBM ESD

All pins, 1.5 kV

Component MM ESD

All pins, 0.2 kV