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參數(shù)資料
| 型號： | TDA7454 |
| 廠商： | 意法半導體 |
| 英文描述： | 4 x 35W High Efficiency Quad Bridge Car Radio Amplifier(4×35高效四通道橋式汽車收音機放大器) |
| 中文描述： | 4 × 35W的高效率四橋汽車收音機放大器（4 × 35高效四通道橋式汽車收音機放大器） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 238K |
| 代理商： | TDA7454 |
TDA7454
4 x 35W HIGH EFFICIENCY QUAD BRIDGE
CAR RADIO AMPLIFIER
PRELIMINARY DATA
HIGH OUTPUT POWER CAPABILITY:
4 x40W/4
MAX.
4 x35W/4
EIAJ.
4 x25W/4
@14.4V,1KHz, 10%
4 x60W/2
MAX.
2
DRIVINGCAPABILITY
DUAL MODE
OPERATING EXTERNALLY
PRESETTABLE: CONVENTIONAL CLASS A-
B MODE,HIGH EFFICIENCYMODE
LOW EXTERNAL COMPONENTS COUNT:
– NOBOOTSTRAP CAPACITORS
– NOEXTERNALCOMPENSATION
– INTERNALLYFIXED GAIN(26dB)
CLIPPINGDETECTOR
ST-BY FUNCTION (CMOSCOMPATIBLE)
MUTEFUNCTION (CMOS COMPATIBLE)
AUTOMUTEAT MINIMUM SUPPLY
VOLTAGEDETECTION
LOW RADIATION
Protections:
OUPUT SHORT CIRCUIT
TO GND; TOV
S
; ACROSSTHE LOAD
3 STEPS OVERRATING CHIP TEMPERA-
TURE WITH THERMAL WARNING
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
BLOCK & APPLICATIONDIAGRAM
LOUDSPEAKERDC CURRENT
ESD
DESCRIPTION
The TDA7454 is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt25
packagespeciallyintendedforcarradioapplications.
Among the features, its superior efficiency per-
formance coming from the internal exclusive
structure, makes it the most suitable device to
simplify the thermal management in high power
sets. The dissipated output power under average
listening condition is in fact reduced up to 50%
when compared to the level provided by conven-
tional class AB solutions.
This is preliminaryinformation on a new productnow in development or undergoing evaluation. Details are subject to change without notice.
September 1998
Flexiwatt 25
7
8
9
-
+
5
2
3
+
-
-
19
18
17
21
24
23
+
+
RIGHT FRONT
RIGHT REAR
LEFT FRONT
LEFT REAR
SVR
11
12
15
14
MUTE
22
ST-BY
4
IN LEFT
REAR
IN LEFT
FRONT
100
μ
F
IN
RIGHT
FRONT
IN
RIGHT
REAR
0.22
μ
F
0.22
μ
F
0.22
μ
F
0.22
μ
F
10
CD
25
1
TAB
13
S-GND
STD/HI- EFF
16
VCC2
VCC1
VCC
20
6
D94AU172C
MULTIPOWER BCD TECHNOLOGY
1/13
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| TDA7460ND | CAR RADIO SIGNAL PROCESSOR |
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| TDA7461ND | CAR RADIO SIGNAL PROCESSOR |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7460NDTR | 功能描述:音頻 DSP CARRADIO SIGNAL PROCESSOR RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
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