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參數(shù)資料
| 型號(hào)： | TDA7451 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4x7W or 2x22W Car Radio Power Amplifier Plus Triple Power Supply(汽車收音機(jī)的功率放大器) |
| 中文描述： | 4x7W或2x22W汽車收音機(jī)功率放大器加三電源（汽車收音機(jī)的功率放大器） |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 77K |
| 代理商： | TDA7451 |
TDA7451
4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS
TRIPLE POWER SUPPLY
PRELIMINARY DATA
HIGH OUTPUT POWER CAPABILITY:
4 x9.5W OR 2 x 32W/4
MAX
4 x8.5W OR 2 x 28W/4
EIAJ
4 x7W OR 2 x 22W/4
@14.4V,1KHz; 10%
MINIMIZED EXTERNAL COUNT
- NO NEED OF DECOUPLING CAPACITORS
- NO NEED OF BOOTSTRAPCAPACITOR
- NO NEED OF EXTERNAL COMPENSATION
- INTERNALLY FIXEDGAIN (20dB)
POP-FREEAUDIO SECTION
ST-BY FUNCTION (C-MOS)
MUTEFUNCTION (C-MOS)
CLIP
DETECTOR,
THERMAL
SHORT CIRCUIT DETECTION
BUILT-IN VOLTAGEREGULATORS:
- 5V @ 150mAWITH RESET
- 5V @ 500mAWITH ST-BY
- 8.5V@ 200mAWITH ST-BY
REGULATORS DIAGNOSTIC FEATURE: UN-
DERVOLTAGE, 8.5V DROP SENSE, SHORT
CIRCUIT, LOAD DUMP, OVER-TEMPERA-
WARNING,
TURE
PROTECTIONS
General:
LOAD DUMP
OVERRATINGCHIP TEMPERATURE
AudioSection:
OUT SHORT (TO
ACROSSTHE LOAD)
Power Supply Section:
SHORT CIRCUIT PROTECTION (OUT TO
GND)
GND, TO Vs
AND
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
October 1998
IN RF
V
O3
V
CC1
D95AU311C
+
-
+
RESET
10
μ
F
+
-
+
PW--
1000
μ
F
V
CC2
0.1
μ
F
V
CC
200mA
REG.
-
-
+
RF
RR
-
+
LF
LR
HVCC
hvcc
ST-BY
1
μ
F
MUTE
10K
IN RR
0.1
μ
F
0.1
μ
F
500mA
REG.
8.5V
IN LR
IN LF
0.1
μ
F
0.1
μ
F
V
O2
5V
150mA
REG.
10
μ
F
V
O1
5V
DIAG
470
μ
F
STCAP
SVR
DDL
S-GND
10
μ
F
12
22
8
2
3
4
9
7
10
5
15
14
16
1318,24
19
17
25
21
23
11
6
20
1
TAB
47μ
F
22K
22K
DIAG
10
μ
F
10K
BLOCK DIAGRAM
Flexiwatt25
ORDERING NUMBER:
TDA7451
1/9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7454 | 功能描述:音頻放大器 Car Radio Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7460B | 功能描述:音頻 DSP INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7460BTR | 功能描述:音頻 DSP INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7460N | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CAR RADIO SIGNAL PROCESSOR |
| TDA7460ND | 功能描述:音頻 DSP Car Radio Signal RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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