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TFA9810_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 February 2008 3 of 29
NXP Semiconductors
TFA9810
Audio amplifier 2 x 12 W
6. Block diagram
Fig 1. Block diagram
27
26
25
30
29
28
V
DDP1
V
SSP1
22
BOOT1P
V
DDP1
OUT1P
V
SSP1
BOOT1N
OUT1N
STAB1
BOOT2P
STABI1
CONTROL
LOGIC
23
24
19
DRIVER
HIGH
20
21
V
DDP2
V
SSP2
V
DDP2
OUT2P
V
SSP2
BOOT2N
OUT2N
STAB2
STABI2
V
DDA1
IN1P
IN1N
V
SSA1
V
DDA2
IN2P
IN2N
V
SSA2
REFERENCE
PROTECTION
OVP
UVP
OCP
OTP
ODP
WP
HEATSPREADER
COMPARATOR 1
COMPARATOR 2
SO/OL
ENABLE
CDELAY
DIAG
TEST
11
4
2
3
5
10
6
7
8
13
15
14
12
1161732
V
SSD(HW)
9
n.c.
TFA9810
010aaa016
CONTROL
LOGIC
DRIVER
HIGH
DRIVER
LOW
DRIVER
LOW
CONTROL
LOGIC
CONTROL
LOGIC
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
18
31