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參數(shù)資料
| 型號： | TDA7563AH |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
| 封裝： | ROHS COMPLIANT, FLEXIWATT-27 |
| 文件頁數(shù)： | 10/35頁 |
| 文件大小： | 523K |
| 代理商： | TDA7563AH |
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Output DC offset detection
TDA7563A
Figure 27.
Current detection: Load impedance |Z| vs. output peak voltage
4.2
Multiple faults
When more misconnections are simultaneously in place at the audio outputs, it is
guaranteed that at least one of them is initially read out. The others are notified after
successive cycles of I2C reading and faults removal, provided that the diagnostic is enabled.
This is true for both kinds of diagnostic (Turn on and Permanent).
The table below shows all the couples of double-fault possible. It should be taken into
account that a short circuit with the 4 ohm speaker unconnected is considered as double
fault.
Table 4.
Double fault table for turn on diagnostic
S. GND (so) / S. GND (sk) in the above table make a distinction according to which of the 2
outputs is shorted to ground (test-current source side= so, test-current sink side = sk). More
precisely, in Channels LF and RR, so = CH+, sk = CH-; in Channels LR and RF, so = CH-, sk
= CH+.
In Permanent Diagnostic the table is the same, with only a difference concerning Open
Load(*), which is not among the recognizable faults. Should an Open Load be present
during the device's normal working, it would be detected at a subsequent Turn on Diagnostic
cycle (i.e. at the successive Car Radio Turn on).
12
34
5
6
7
8
1
2
3
5
10
20
30
50
Vout (Peak)
Load |z| (Ohm)
Iout (peak) <250mA
Iout (peak) >500mA
Low current detection area
(Open load)
D5 = 1 of the DBx byres
High current detection area
(Normal load)
D5 = 0 of the DBx bytes
S. GND (so)
S. GND (sk)
S. Vs
S. Across L.
Open L.
S. GND (so)
S. GND
S. Vs + S. GND
S. GND
S. GND (sk)
/
S. GND
S. Vs
S. GND
Open L. (*)
S. Vs
/
S. Vs
S. Across L.
/
S. Across L.
N.A.
Open L.
/
Open L. (*)
相關PDF資料 |
PDF描述 |
|---|---|
| TDA7563APD | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TDA7563ASMTR | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
| TDA7563ASM | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
| TDA7563A | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
| TDA7563BH | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM27 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7563APD | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7563APDTR | 功能描述:音頻放大器 4x28V 4Ohm 14.4V High Eff Quad Amp 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7563ASM | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7563ASMTR | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7563B | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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