Specifications

Product Technical Specification & Customer Design Guidelines
Interfaces
Recommended characteristics for the buzzer:
 Electro-magnetic
 Impedance: 7 to 30 Ω
 Sensitivity: 90 dB SPL min @ 10 cm
 Current: 60 to 90 mA
The BUZZER output can also be used to drive a LED as shown in the Figure below:
BUZZER
VCC
« BUZZER »
D1
1
2
R1
470 Ω
Figure 25: Example of LED driven by the BUZZER output
R1 value can be set according to the LED (D1) characteristics.
© Confidential
Page: 69 / 116
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WA_DEV_Q64_PTS_001-003 January 9, 2009