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参数资料
| 型号： | TDA7564BH |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| 封装： | ROHS COMPLIANT, FLEXIWATT-25 |
| 文件页数： | 18/34页 |
| 文件大小： | 493K |
| 代理商： | TDA7564BH |
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TDA7564B
Software specifications
Doc ID 12734 Rev 3
If R/W = 1, the TDA7564B sends 4 "Diagnostics Bytes" to
μP: DB1, DB2, DB3 and DB4.
Table 7.
IB2
Bit
Instruction decoding bit
D7
Current detection threshold
High th (D7 = 0)
Low th (D7 =1)
D6
0
D5
Normal muting time (D5 = 0)
Fast muting time (D5 = 1)
D4
Standby on - Amplifier not working - (D4 = 0)
Standby off - Amplifier working - (D4 = 1)
D3
Power amplifier mode diagnostic (D3 = 0)
Line driver mode diagnostic (D3 = 1)
D2
Current detection diagnostic enabled (D2 = 1)
Current detection diagnostic defeat (D2 = 0)
D1
Right Channels
Power amplifier working in standard mode (D1 = 0)
Power amplifier working in high efficiency mode (D1 = 1)
D0
Left Channels
Power amplifier working in standard mode (D0 = 0)
Power amplifier working in high efficiency mode (D0 = 1)
Table 8.
DB1
Bit
Instruction decoding bit
D7
Thermal warning 1 active (D7 = 1) T=155 °C
D6
Diag. cycle not activated or not terminated (D6 = 0)
Diag. cycle terminated (D6 = 1)
D5
Channel LF
Current detection IB2 (D7) = 0
Output peak current < 250 mA - Open load (D5 = 1)
Output peak current > 500 mA - Normal load (D5 = 0)
Channel LF
Current detection IB2 (D7) = 1
Output peak current < 125 mA - Open load (D5 = 1)
Output peak current > 250 mA - Normal load (D5 = 0)
D4
Channel LF
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
D3
Channel LF
Normal load (D3 = 0)
Short load (D3 = 1)
D2
Channel LF
Turn-on diag.: No open load (D2 = 0)
Open load detection (D2 = 1)
Offset diag.: No output offset (D2 = 0)
Output offset detection (D2 = 1)
D1
Channel LF
No short to Vcc (D1 = 0)
Short to Vcc (D1 = 1)
D0
Channel LF
No short to GND (D1 = 0)
Short to GND (D1 = 1)
相关PDF资料 |
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|---|---|
| TDA7564B | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| TDA7564BPDTR | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TDA7564BPD | 50 W, 4 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TDA7564 | 46 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TDA7565 | 40 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM27 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7564BPD | 功能描述:音频放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7564BPDTR | 功能描述:音频放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7565 | 功能描述:音频放大器 Quad Power Amplifier Built-in Volt Conv 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 |
| TDA7565_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Quad power amplifier with built-in voltage converter |
| TDA7565_10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Quad power amplifier with integrated step-up converter |
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