参数资料
型号: TDF8553J
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 87 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封装: PLASTIC, SOT725-1
文件页数: 32/47页
文件大小: 391K
代理商: TDF8553J
TDF8553J_1
NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 01 — 3 December 2008
38 of 47
NXP Semiconductors
TDF8553J
4
× 50 Watt power amplier and multiple voltage regulator
12. Application information
The value of ACGND capacitor must be close to 4
× the value of capacitor connected to the positive input of each channel; for
EMC reasons a 10 nF capacitor can be connected between each amplier output and ground.
Fig 26. Test and application diagram of TDF8553J
coa071
BACKUP
SWITCH
ENABLE
LOGIC
STANDBY/ MUTE
I2C-BUS
INTERFACE
CLIP DETECT/ DIAGNOSTIC
REFERENCE
VOLTAGE
TEMPERATURE &
LOAD DUMP
PROTECTION VOLTAGE
REGULATOR
REGULATOR 1
REGULATOR 3
REGULATOR 2
REGULATOR 4
REGULATOR 5
SWITCH 1
SWITCH 2
MUTE
PROTECTION/
DIAGNOSTIC
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
TEMPERATURE & LOAD
DUMP PROTECTION
AMPLIFIER
26 dB/
20 dB
MUTE
35
27
20
6
25
9
7
17
19
5
3
21
23
16
8
13
SGND
SVR
IN4
IN3
IN2
IN1
STB
SCL
SDA
VP
BUCAP
ACGND
PGND1 PGND2/TAB PGND3 PGND4
10
14
12
15
11
22
4
2
1
18
24
32
29
34
33
31
30
37 REG2
REG1
10
F
(50 V)
100 nF
REG3
REG4
REG5
SW1
SW2
VP1
DIAG
OUT1
+
OUT1
OUT2
+
OUT2
OUT3
+
OUT3
OUT4
+
OUT4
VP2
microcontroller
14.4 V
aerial
motor
amplifiers
display
mechanical
drive
mechanical
digital
audio
microcontroller
GND
36
VP
1000
F
(16 V)
220 nF
220
F
(16 V)
14.4 V
14.4 V/5 V
220 nF
(1)
10
F
(50 V)
100 nF
10
F
(50 V)
100 nF
10
F
(50 V)
100 nF
10
F
(50 V)
100 nF
10
F
(50 V)
100 nF
10
F
(50 V)
10 k
100 nF
RS
470 nF
RS
470 nF
RS
470 nF
RS
470 nF
2.2
F
(4
× 470 nF)
22
F
TDF8553J
220
nF
220
nF
26
VDCDC
2200
F
(16 V)
REGULATOR 6
28 REG6
10
F
(50 V)
100 nF
bus controller
(1)
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