B300W35A102E1G ON Semiconductor, B300W35A102E1G Datasheet - Page 21

• Manufacturer Part Number: B300W35A102E1G
• Description: IC PROCESSOR AUDIO 24BIT WLCSP
• Manufacturer: ON Semiconductor
• Series: BelaSigna® 300r
• Type: Floating Pointr

Specifications of B300W35A102E1G

• Interface: I²C, PCM, SPI, UART
• Clock Rate: 40MHz
• On-chip Ram: 110kB
• Voltage - I/o: 1.0V, 2.0V
• Voltage - Core: 0.95V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 35-WLCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Non-volatile Memory: -

filtered by an RC filter or by the frequency response of the
speaker itself. ON Semiconductor recommends a 2−pole RC
are given below:
For 8 KHz sampling, we recommend R = 8.2 k and C = 1 nF
(3 dB cutoff frequency at 3.3 kHz)
For 16 KHz sampling, we recommend R = 8.2 k and C =
330 pF (3 dB cutoff frequency at 9 kHz)
Clock Generation Circuitry
RC oscillator that will provide clock support for booting and
The high−frequencies in the Class−D PDM output are
Our recommendations for components for the RC Filter
BelaSigna 300 is equipped with an un−calibrated internal
from IOC
Output
Figure 10. External Signal Routing of Connections for High−Power Output Mode
Upsampling and
conversion
Figure 11. 2−Pole RC filter
Figure 9. Output Stage
http://onsemi.com
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filter on the output stage if the output signal is not directly
driving a receiver. Given below is the simple schematic for
a 2−pole RC filter.
stand−by mode operations. On the WLCSP package option,
this internal clocking circuitry cannot be used during normal
operation; as such, an external clock signal must be present
on the EXT_CLK pin to allow BelaSigna 300 to operate.
The DFN package option can fully use the internal clocking
circuitry at all times. All other needed clocks in the system
are derived from this external clock frequency. Figure 12
shows the internal clock structure of BelaSigna 300.
Output
driver
RCVR_HP−
RCVR−
RCVR_HP+
RCVR+