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參數(shù)資料
| 型號： | TDA7575BPDTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封裝： | ROHS COMPLIANT, SOP-36 |
| 文件頁數(shù)： | 17/32頁 |
| 文件大小： | 487K |
| 代理商： | TDA7575BPDTR |
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Diagnostics functional description
TDA7575B
Doc ID 14103 Rev 2
Figure 31.
SVR and output pin behavior - case 2: with turn-on diagnostic
The information related to the outputs status is read and memorized at the end of the
current pulse top. The acquisition time is 100 ms (typ.). No audible noise is generated in the
process. As for short to GND / Vs the fault-detection thresholds remain unchanged from 26
dB to 12 dB gain setting. They are as follows:
Figure 32.
Short circuit detection thresholds
Concerning short across the speaker / open speaker, the threshold varies from 26 dB to 12
dB gain setting, since different loads are expected (either normal speaker's impedance or
high impedance). The values in case of 26 dB gain are as follows:
Figure 33.
Load detection thresholds - high gain setting
If the line-driver mode (Gv= 12 dB and line driver mode diagnostic = 1) is selected, the same
thresholds will change as follows:
Figure 34.
Load detection thresholds - high gain setting
Bias (power amp turn-on)
permitted time
Turn-on diagnostic
acquisition time (100mS Typ)
t
Read Data
Permanent diagnostic
acquisition time (100mS Typ)
Permanent Diagnostics data (output)
permitted time
Diagnostic Enable
(Turn-on)
Turn-on Diagnostics data (output)
permitted time
I2CB DATA
Vsvr
Out
Diagnostic Enable
(Permanent)
FAULT
event
D02AU1341
S.C. to GND
x
S.C. to Vs
0V
1.8V
VS-1.5V
VS
x
Normal Operation
1.2V
VS-0.9V
S.C. across Load
x
Open Load
0V
1.5
Ω
70
Ω
Infinite
x
Normal Operation
0.5
Ω
130
Ω
D01AU1254
D01AU1252
S.C. across Load
x
Open Load
0
Ω
4.5
Ω
200
Ω
infinite
x
Normal Operation
1.5
Ω
400
Ω
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| TDA7575PD | 功能描述:音頻放大器 INFOTAINMENT S PWR 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 |
| TDA7575PDTR | 功能描述:音頻放大器 INFOTAINMENT S PWR 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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| TDA7577BLV | 功能描述:Amplifier IC 2-Channel (Stereo) Class AB 27-Flexiwatt (Vertical) 制造商:stmicroelectronics 系列:- 包裝:管件 零件狀態(tài):有效 類型:AB 類 輸出類型:2 通道（立體聲） 不同負(fù)載時(shí)的最大輸出功率 x 通道數(shù):45W x 2 @ 4 歐姆 電壓 - 電源:6 V ~ 18 V 特性:靜音，短路保護(hù)，待機(jī) 安裝類型:通孔 工作溫度:-40°C ~ 105°C（TA） 供應(yīng)商器件封裝:27 Flexiwatt（垂直） 封裝/外殼:27 Flexiwatt（成型引線） 標(biāo)準(zhǔn)包裝:17 |
| TDA7577LV | 制造商:STMicroelectronics 功能描述:ABD AUDIO & POWER - Rail/Tube 制造商:STMicroelectronics 功能描述:Dual BTL output pwr amplifier for 24 V |
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