参数资料
型号: TDF8554J/N4
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封装: PLASTIC, SOT725-1, 37 PIN
文件页数: 54/56页
文件大小: 597K
代理商: TDF8554J/N4
TDF8554J
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 31 August 2011
7 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
6.2 Pin description
Table 3.
Pin description
Symbol
Pin
Description
PGND2/TAB
1
power ground 2 and connection for heatsink
SDA
2
I2C-bus data input and output
OUT2
3
channel 2 negative output
SCL
4
I2C-bus clock input
OUT2+
5
channel 2 positive output
VP2
6
power supply voltage 2 to amplifiers
OUT1
7
channel 1 negative output
PGND1
8
power ground 1
OUT1+
9
channel 1 positive output
SVR
10
half supply voltage filter capacitor
IN1
11
channel 1 input
IN2
12
channel 2 input
SGND
13
signal ground
IN4
14
channel 4 input
IN3
15
channel 3 input
ACGND
16
AC ground
OUT3+
17
channel 3 positive output
PGND3
18
power ground 3
OUT3
19
channel 3 negative output
VP1
20
power supply voltage 1 to amplifiers
OUT4+
21
channel 4 positive output
STB
22
standby or operating mode select input
OUT4
23
channel 4 negative output
PGND4
24
power ground 4
DIAG
25
diagnostic and clip detection output, active LOW
RST
26
reset output
SW2
27
antenna switch; supplies unregulated voltage to car aerial motor
RESCAP
28
reset delay capacitor
SW1
29
amplifier switch output
REG1
30
regulator 1 output; supply voltage for audio section of radio and CD
player
REG3
31
regulator 3 output; supply voltage for signal processor section
(mechanical digital) of CD player
GND
32
combined voltage regulator, power and signal ground
REG4
33
regulator 4 output; supply voltage for mechanical section
(mechanical drive) of CD player
REG5
34
regulator 5 output; supply voltage for display section of radio and
CD player
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