TFA9881 Datasheet, PDF (4/32 Pages) NXP Semiconductors – 3.4 W PDM input class-D audio amplifier

NXP Semiconductors
TFA9881
3.4 W PDM input class-D audio amplifier
7. Pinning information
7.1 Pinning
TFA9881
1
2
3
C
bump A1
index area
A
TFA9881
1
2
3
B
B
A
C
bump A1
index area
010aaa700
Bottom view
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Transparent top view
Fig 2. Bump configuration for WLCSP9 (bottom view) Fig 3. Bump configuration for WLCSP9 (top view)
1
2
3
A DATA LRSEL OUTB
B V_DDD V_DDP GND
C CLK TEST OUTA
010aaa701
Transparent top view
Fig 4. Bump mapping for WLCSP9
7.2 Pin description
Table 3.
Symbol
DATA
LRSEL
OUTB
V_DDD
V_DDP
GND
CLK
TEST
OUTA
Pin description
Pin
Type
A1
I
A2
I
A3
O
B1
P
B2
P
B3
P
C1
I
C2
I
C3
O
Description
data input
left/right selection
inverting output
digital supply voltage (1.8 V)
power supply voltage (2.5 V to 5.5 V)
ground reference
clock input
test pin (must be connected to V_DDP)
non-inverting output
TFA9881
Preliminary data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 5 January 2011
© NXP B.V. 2011. All rights reserved.
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