TFA9881 NXP Semiconductors, TFA9881 Datasheet - Page 19
TFA9881
Manufacturer Part Number
TFA9881
Description
The TFA9881 is a mono, filter-free class-D audio amplifier in a 9-bump WLCSP (WaferLevel Chip-Size Package) with a 400 μm pitch
Manufacturer
NXP Semiconductors
Datasheet
1.TFA9881.pdf
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NXP Semiconductors
TFA9881
Product data sheet
Fig 10. Typical stereo application (simplified)
PROCESSOR
BASEBAND
PDM output
13.3 Typical application diagram (simplified)
1.8 V
1.8 V
CVDDD
CVDDD
100 nF
100 nF
All information provided in this document is subject to legal disclaimers.
DATA
DATA
V
V
CLK
CLK
DDD
DDD
Rev. 2 — 1 April 2011
A1
C1
B1
A1
C1
B1
TFA9881UK
TFA9881UK
A2
A2
C2
C2
B3
B3
B2
B2
3.4 W PDM input class-D audio amplifier
C3
A3
C3
A3
OUTA
OUTB
OUTA
OUTB
battery
battery
CVDDP
4.7 μF
CVDDP
4.7 μF
TFA9881
© NXP B.V. 2011. All rights reserved.
left speaker
right speaker
4 Ω or 8 Ω
4 Ω or 8 Ω
010aaa712
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