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TDF8553J 数据表(PDF) 38 Page - NXP Semiconductors

部件名 TDF8553J
功能描述  I2C-bus controlled 4 X 50 Watt power amplifier and multiple voltage regulator
PDF  47 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

TDF8553J 数据表(HTML) 38 Page - NXP Semiconductors

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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 amplifier and multiple voltage regulator
12. Application information
(1) See Section 12.1.
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 amplifier 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
MUTE
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
µF
(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
µF
(16 V)
220 nF
220
µF
(16 V)
14.4 V
14.4 V/5 V
220 nF
(1)
10
µF
(50 V)
100 nF
10
µF
(50 V)
100 nF
10
µF
(50 V)
100 nF
10
µF
(50 V)
100 nF
10
µF
(50 V)
100 nF
10
µF
(50 V)
10 k
Ω
100 nF
RS
470 nF
RS
470 nF
RS
470 nF
RS
470 nF
2.2
µF
(4
× 470 nF)
22
µF
TDF8553J
220
nF
220
nF
26
VDCDC
2200
µF
(16 V)
REGULATOR 6
28 REG6
10
µF
(50 V)
100 nF
bus controller
(1)



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