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参数资料
| 型号： | TDA7575BPD |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | ROHS COMPLIANT, SOP-36 |
| 文件页数： | 17/32页 |
| 文件大小： | 487K |
| 代理商： | TDA7575BPD |
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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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相关代理商/技术参数 |
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| TDA7575BPDTR | 功能描述:音频放大器 2 x 75W Multifunct Dual-Bridge Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7575PD | 功能描述:音频放大器 INFOTAINMENT S PWR RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7575PDTR | 功能描述:音频放大器 INFOTAINMENT S PWR RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7576B | 制造商:STMicroelectronics 功能描述:Dual bridge MOSFET power amplifier for 24V systems |
| TDA7577BLV | 功能描述:Amplifier IC 2-Channel (Stereo) Class AB 27-Flexiwatt (Vertical) 制造商:stmicroelectronics 系列:- 包装:管件 零件状态:有效 类型:AB 类 输出类型:2 通道（立体声） 不同负载时的最大输出功率 x 通道数:45W x 2 @ 4 欧姆 电压 - 电源:6 V ~ 18 V 特性:静音，短路保护，待机 安装类型:通孔 工作温度:-40°C ~ 105°C（TA） 供应商器件封装:27 Flexiwatt（垂直） 封装/外壳:27 Flexiwatt（成型引线） 标准包装:17 |
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