Audio Concept; Audio Hw Architecture - Nokia RM-626 Service Manual

RM-626
System Module
• 3-axis magnetometer device suitable for compass application
• Built-in A to D converter for magnetometer data out
• Self test function
• I2C bus interface
• Power modes: OFF mode, stand-by mode and active mode
• DRDY function for measurement data ready
• INT function to inform exceeding magnetic field strength threshold.
The operating temperature is -20°C to +85°C.
The operating supply voltages are:
• Analogue supply +2.4V to +3.6V
• Digital interface supply +1.70V to analogue supply voltage.
Figure 60 Magnetometer

Audio concept

Audio HW architecture

TPA6140 (N2000), BoostMono (N2150) along with mixed-signal ASIC Gazoo/Pearl provides the analogue audio
output interfaces and RAPU provides the digital audio output interface support.
Issue 1 COMPANY CONFIDENTIAL Page 6 – 27
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