參數(shù)資料
型號(hào): TDA7492MV
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 50 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝: ROHS COMPLIANT, SSOP-36
文件頁數(shù): 13/26頁
文件大?。?/td> 645K
代理商: TDA7492MV
Applications information
TDA7492MV
20/26
Doc ID 16264 Rev 1
6.2
Mode selection
The three operating modes of the TDA7492MV are set by the two inputs STBY (pin 20) and
MUTE (pin 21).
Standby mode: all circuits are turned off, very low current consumption.
Mute mode: inputs are connected to ground and the positive and negative PWM
outputs are at 50% duty cycle.
Play mode: the amplifiers are active.
The protection functions of the TDA7492MV are realized by pulling down the voltages of the
STBY and MUTE inputs shown in Figure 22. The input current of the corresponding pins
must be limited to 200 A.
Figure 22.
Standby and mute circuits
Figure 23.
Turn-on/off sequence for minimizing speaker “pop”
Table 7.
Mode settings
Mode Selection
STBY
MUTE
Standby
L (1)
1.
X (don’t care)
Mute
H (1)
L
Play
H
STBY
MUTE
0 V
3.3 V
C7
2.2 F
R2
30 k
Standby
0 V
3.3 V
C15
2.2 F
R4
30 k
Mute
TDA7492MV
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TDA7492MV13TR 功能描述:音頻放大器 50W Mono BTL Class D Audio Amp EPD PKG 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
TDA7492P 功能描述:音頻放大器 50W Mono BTL Class D 10 to 26V 4Select dB 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
TDA7492P13TR 功能描述:音頻放大器 50W Mono BTL Class D 10 to 26V 4Select dB 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
TDA7493 功能描述:音頻放大器 3W + 3W Dual BTL Class-D 4-Select dB 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
TDA749313TR 功能描述:音頻放大器 3W and 3Watt Dual BTL Class D Audio 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