參數(shù)資料
型號(hào): TDF8554J/N2
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封裝: PLASTIC, SOT725-1, 37 PIN
文件頁(yè)數(shù): 45/56頁(yè)
文件大小: 597K
代理商: TDF8554J/N2
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
5 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
5.
Block diagram
Fig 1.
Block diagram
aaa-000380
Vreg2
40 μs
BACKUP
SWITCH
ENABLE
LOGIC
TDA8554J
STANDBY/ MUTE
I2C-BUS
INTERFACE
CLIP DETECT/ DIAGNOSTIC
REGULATOR 1
REGULATOR 3
REGULATOR 2
REGULATOR 4
REGULATOR 5
SWITCH 1
SWITCH 2
MUTE
PROTECTION/
DIAGNOSTIC
16 dB
26 dB
PROTECTION/
DIAGNOSTIC
16 dB
26 dB
PROTECTION/
DIAGNOSTIC
16 dB
26 dB
PROTECTION/
DIAGNOSTIC
16 dB
26 dB
MUTE
35
28
27
26
20
6
25
9
7
5
3
17
19
21
23
16
8
13
SGND
SVR
IN4
IN3
IN2
IN1
STB
SCL
SDA
RESCAP
VP
BUCAP
ACGND
PGND1
PGND3
PGND4
10
14
15
12
11
22
4
2
1
18
24
32
29
34
33
31
30
37
REG2
REG1
REG3
REG4
REG5
SW1
SW2
RST
VP1
DIAG
OUT1+
OUT1-
OUT2+
OUT2-
OUT3+
OUT3-
OUT4+
OUT4-
VP2
GND
36
VP
REFERENCE
VOLTAGE
TEMPERATURE &
LOAD DUMP
PROTECTION VOLTAGE
REGULATOR
TEMPERATURE & LOAD
DUMP PROTECTION
AMPLIFIER
PGND2/TAB
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