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參數(shù)資料
| 型號： | TDA7567PD |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO36 |
| 封裝： | ROHS COMPLIANT, SOP-36 |
| 文件頁數(shù)： | 17/30頁 |
| 文件大?。?/td> | 346K |
| 代理商： | TDA7567PD |
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Software specifications
TDA7567PD
Doc ID 16903 Rev 1
If R/W = 1, the TDA7567PD sends 4 "Diagnostics Bytes" to P: DB1, DB2, DB3 and DB4.
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 channel power amplifier working in standard mode (D1 = 0)
Power amplifier working in high efficiency mode (D1 = 1)
D0
Left channel power amplifier working in standard mode (D0 = 0)
Power amplifier working in high efficiency mode (D0 = 1)
Table 7.
IB2 (continued)
Bit
Instruction decoding bit
Table 8.
DB1
Bit
Instruction decoding bit
D7
Thermal warning 1 active (D7 = 1) T = 140 °C
D6
Diag. cycle not activated or not terminated (D6 = 0)
Diag. cycle terminated (D6 = 1)
D5
Channel CH3
current detection IB2 (D7) = 0
Output peak current < 300 mA - Open load (D5 = 1)
Output peak current > 500 mA - Normal load (D5 = 0)
Channel CH3
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 CH3
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
D3
Channel CH3
Normal load (D3 = 0)
Short load (D3 = 1)
D2
Channel CH3
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 CH3
No short to Vcc (D1 = 0)
Short to Vcc (D1 = 1)
D0
Channel CH3
No short to GND (D1 = 0)
Short to GND (D1 = 1)
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