Version 1.3

Date: 2023-04-19

- 6 -

MEMS Microphone IC

3SM122HZB1VD-R

WWW.3SYSTEM.COM.TW

Reliability Qualifications

Table 4

Test Item

Description

High Temperature Storage

Storage at 125℃ for 1,000 hours

JESD22-A103

Low Temperature Storage

Storage at -40℃ for 1,000 hours

JESD22-A119

High Temperature Operation Bias

Under Bias at 105℃ for 1,000 hours

JESD22-A108

Low Temperature Operation Bias

Under Bias at -40℃ for 1,000 hours

JESD22-A108

Temperature Humidity Bias

Under Bias at 85℃/85%RH for 1,000

hours

JESD22-A101

Thermal Cycling Test

Thermal Cycle from -40℃~125℃, 100

cycles

JESD22-A104

Reflow

5 reflow cycles with peak 260℃

J-STD-020

Vibration

4 cycles lasting 12 minutes from 20 to

2KHz in X, Y and Z with peak

acceleration of

20G

JESD22-B103

Mechanical Shock

Total 18 pulses 10,000G in X,Y and Z

JESD22-B104

ESD

HBM:3KV, MM:300V, CDM:500V

Air Discharge:15KV,

Contact Discharg:8KV

JESD22-A114(HBM)

JESD22-A115(MM)

JESD22-C101(CDM)

IEC 61000-4-2(Air Discharge)

IEC 61000-4-2(Contact Discharge)

Notes: Microphones meet all acoustic and electrical specifications before and after reliability testing, except

sensitivity which can deviate up to 3dB from its initial value.

After 5 reflow cycles, the sensitivity of the microphone shall not deviate more than 1 dB from its initial value.