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參數(shù)資料
| 型號(hào)： | TDA7490L |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 15W + 15W STEREO CLASS-D AMPLIFIER28W MONO IN BTL |
| 中文描述： | 安永安永立體聲D類(lèi)單聲道中的橋接AMPLIFIER28W |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 174K |
| 代理商： | TDA7490L |
TDA7490L
15W + 15W STEREO CLASS-D AMPLIFIER
28W MONO IN BTL
15W + 15W OUTPUT POWER:
R
L
= 8
/4
;
THD = 10%
HIGH EFFICIENCY
WIDE SUPPLY VOLTAGE RANGE (FROM
±
10 TO
±
25V)
SPLIT SUPPLY
TURN OFF/ON POP FREE
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION ACROSS
THE LOAD
THERMAL OVERLOAD PROTECTION
EXTERNALLY SINCHRONIZABLE
BRIDGE CONFIGURATION
DESCRIPTION
The TDA7490L is a dual audio class D amplifier
assembled in Flexiwatt 25 package; it is specially
designed for high efficiency application mainly for
TV and Home Stereo sets.
March 2001
PWM-stage1
G=2.5
PREAMPLIFIER1
INTEGRATOR1
R21 4.7K
C26 470pF C25 470pF
R20
68K
R17 52.3K
C23
2200
μ
F
C22
100nF
C21
2200
μ
F
R4
130K
L1 30
μ
INPUT1
OSC
C19
560pF
C20
33nF
C18 330pF
C17
24pF
C16 330pF
R15
100
-V
CC
R14 22K
R12 22K
C10
220nF
OUT1
PWM-stage2
L2 30
μ
OUT2
C29
220nF
R13
10K
C15
560pF
R11
100
-V
CC
EXT_CK
G=2.5
PREAMPLIFIER2
C8 470pF
C9 470pF
R6
68K
R5 4.7K
C14
33nF
R9 52.3K
+V
CC
-V
CC
+V
CC
+V
CC
-V
CC
C28
2200
μ
F
C12
2200
μ
F
C11
100nF
C1 330nF
C2
1nF
STBY
MUTE
R2
30K
C27
2.2
μ
F
R1 10K
C3
100nF
C4
100nF
INPUT2
C5 330nF
C6
1nF
-V
CC
-V
CC
D98AU978A
7
9
14
2
4
6
10
12
13
16
1
25
18
19
17
20
24
22
21
23
15
8
11
3
5
INTEGRATOR2
R3
10K
C7 100nF
R1 10K
R 6.8
Figure 1.
Test and application circuit. (Stereo Configuration)
Flexiwatt 25
ORDERING NUMBER:
TDA7490L
1/9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7490L_05 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:20W + 20W STEREO CLASS-D AMPLIFIER 40W MONO IN BTL |
| TDA7490LSA | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:15W +15W Stereo Class-D Amplifier |
| TDA7490SA | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:10W +10W Stereo Class-D Amplifier |
| TDA7491HV | 功能描述:音頻放大器 20W Dual BTL Class D 18V VCC Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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 |
| TDA7491HV13TR | 功能描述:音頻放大器 20W Dual BTL Class D 18V VCC Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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 |
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