TFA9881 NXP Semiconductors, TFA9881 Datasheet - Page 4

• 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

NXP Semiconductors
7. Pinning information
TFA9881
Product data sheet
Fig 2.
Bump configuration for WLCSP9 (bottom view)
bump A1
index area
7.1 Pinning
7.2 Pin description
C
B
A
Table 3.
Symbol
DATA
LRSEL
OUTB
V
V
GND
CLK
TEST
OUTA
Fig 4.
DDD
DDP
1
Bottom view
TFA9881
2
Bump mapping for WLCSP9
Pin description
010aaa700
3
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B3
C1
C3
Pin
A1
A2
A3
B1
B2
C2
Rev. 2 — 1 April 2011
Type
I
O
P
P
P
I
I
O
I
C
A
B
data input
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
non-inverting output
Description
left/right selection
Fig 3.
V
DATA
CLK
DDD
1
Transparent top view
Bump configuration for WLCSP9 (top view)
LRSEL
V
TEST
DDP
2
3.4 W PDM input class-D audio amplifier
bump A1
index area
010aaa701
OUTB
OUTA
GND
3
C
A
B
Transparent top view
1
TFA9881
DDP
2
)
010aaa699
TFA9881
3
© NXP B.V. 2011. All rights reserved.
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