TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 6

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TFA9812HN

Manufacturer Part Number
TFA9812HN
Description
BTL stereo Class-D audio amplifier with I2S input
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
NXP Semiconductors
7. Pinning information
TFA9812_2
Preliminary data sheet
7.1 Pinning
Figure 1
signal path see
Table 3.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Fig 2.
shows the block diagram of the TFA9812. For a detailed description of the audio
Pin configuration, transparent top view
Pinning description TFA9812
Symbol
XTALIN
XTALOUT
V
STABA
REFA
V
TEST1
V
STAB2
V
V
BOOT2N
OUT2N
DDA(3V3)
DDA
SS1
SSP2
SSP2
index area
terminal 1
XTALOUT
Section
V
BOOT2N
DDA(3V3)
XTALIN
STABA
STAB2
TEST1
V
V
REFA
V
V
SSP2
SSP2
DDA
SS1
Rev. 02 — 22 January 2009
8.1.
10
11
12
1
2
3
4
5
6
7
8
9
Type Description
I
O
P
O
P
P
I
P
O
P
P
O
O
Crystal oscillator input
Crystal oscillator output
Analog supply voltage (3.3 V)
1.8 V analog stabilizer output
Analog reference voltage
Analog supply voltage (8 V to 20 V)
Test signal input 1. For test purposes only (connect to V
PCB ground reference
Decoupling of internal 11 V regulator for channel 2 drivers
Negative power supply voltage for channel 1 and channel 2
Negative power supply voltage for channel 1 and channel 2
Bootstrap high-side driver negative PWM output channel 2
Negative PWM output channel 2
Transparent top view
BTL stereo Class-D audio amplifier with I
TFA9812HN
36
35
34
33
32
31
30
29
28
27
26
25
010aaa218
ADSEL2/PLIM2
CSEL
GAIN
ENABLE
AVOL
POWERUP
CDELAY
DIAG
STAB1
V
V
BOOT1N
SSP1
SSP1
© NXP B.V. 2009. All rights reserved.
TFA9812
2
S input
6 of 66
SS
)

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