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參數(shù)資料
| 型號： | TDA7495 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 音頻放大器 |
| 英文描述： | 11W+11W AMPLIFIER WITH DC VOLUME CONTROL |
| 中文描述： | 11瓦11瓦放大器直流音量控制 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 226K |
| 代理商： | TDA7495 |
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of fig-
ure 1a. Different values can be used, the following table can help the designer.
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SUGGESTION
SMALLER THAN
SUGGESTION
Smaller volume regulation
time
Smaller mute on/off time
R1
300K
Volume control circuittime
Mute time constant
Larger mute on/off time
Volume control circuit
Supply voltage
bypass
Input DC decoupling
Lower low frequency cutoff
Input DC decoupling
Lower low frequency cutoff
Ripple rejection
Better SVR
Volume control time
costant
time
Output DC decoupling Lower low frequency cutoff
Mute time costant
Larger mute on/off time
Output DC decoupling Lower low frequency cutoff
Supply voltage
bypass
R2
P1
10K
50K
C1
1000
μ
F
Danger of oscillation
C2
C3
C4
470nF
470nF
470
μ
F
Higher low frequency cutoff
Higher low frequency cutoff
Worse SVR
Smaller volume regulation
time
Higher low frequency cutoff
Smaller mute on/off time
Higher low frequency cutoff
C5
100nF
Larger volume regulation
C6
C7
C8
1000
μ
F
1
μ
F
1000
μ
F
C9
100nF
Danger of oscillation
11
15
19
23
27
31
V
S
(V)
0
2
4
6
8
10
12
14
P
OUT
(W)
16
d=10%
d=1%
R
L
=8
D97AU559
Figure 2:
Output Power vs Supply Voltage
0
2
4
6
8
P
OUT
(W)
0.01
0.1
1
d
(%)
D97AU560
f=15KHz
V
S
=28V
R
L
=8
f=1KHz
Figure 3:
Distortion vs Output Power
TYPICAL CHARACTERISTICS:
Refer to the application circuit of fig.1A T
amb
= 25°C; V
S
= 20V; R
L
= 8
; F = 1KHz; R
S
= 50
; unless
otherwise specified.
TDA7495
5/12
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| TDA7496 | 5W 5W AMPLIFIER WITH DC VOLUME CONTROL |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7495S | 功能描述:音頻放大器 11W/11W 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 |
| TDA7495S_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11W +11W AMPLIFIER |
| TDA7495SA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11 W + 11 W amplifier with DC volume control |
| TDA7495SA_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11 W + 11 W amplifier with DC volume control |
| TDA7496 | 功能描述:音頻放大器 5W DC Amp w/Col Cont 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 |
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