參數(shù)資料
型號(hào)： TDA7564
廠商： 意法半導(dǎo)體
英文描述： MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES
中文描述： 多功能四功率放大器，內(nèi)置診斷特征
文件頁(yè)數(shù)： 18/20頁(yè)
文件大?。?/td> 248K
代理商： TDA7564
TDA7564
18/20
Examples of bytes sequence
1
- Turn-On diagnostic - Write operation
2
- Turn-On diagnostic - Read operation
The delay from 1 to 2 can be selected by software, starting from T.B.D. ms
3a
- Turn-On of the power amplifier with 26dB gain, mute on, diagnostic defeat, High eff. mode both channels..
3b
- Turn-Off of the power amplifier
4
- Offset detection procedure enable
5
- Offset detection procedure stop and reading operation (the results are valid only for the offset detection bits
(D2 of the bytes DB1, DB2, DB3, DB4).
I
The purpose of this test is to check if a D.C. offset (2V typ.) is present on the outputs, produced by input
capacitor with anomalous leakage current or humidity between pins.
I
The delay from 4 to 5 can be selected by software, starting from T.B.D. ms
6
- Current detection procedure start (the AC inputs must be with a proper signal that depends on the type of
load)
7
- Current detection reading operation (the results valid only for the current sensor detection bits - D5 of the
bytes DB1, DB2, DB3, DB4).
I
During the test, a sinus wave with a proper amplitude and frequency (depending on the loudspeaker
under test) must be present. The minimum number of periods that are needed to detect a normal load
is 5.
I
The delay from 6 to 7 can be selected by software, starting from T.B.D. ms.
Start
Address byte with D0 = 0
ACK
IB1 with D6 = 1
ACK
IB2
ACK
STOP
Start
Address byte with D0 = 1
ACK
DB1
ACK
DB2
ACK
DB3
ACK
DB4
ACK
STOP
Start
Address byte with D0 = 0
ACK
IB1
ACK
IB2
ACK
STOP
X000000X
XXX1X011
Start
Address byte with D0 = 0
ACK
IB1
ACK
IB2
ACK
STOP
X0XXXXXX
XXX0XXXX
Start
Address byte with D0 = 0
ACK
IB1
ACK
IB2
ACK
STOP
XX1XX11X
XXX1X0XX
Start
Address byte with D0 = 1
ACK
DB1
ACK
DB2
ACK
DB3
ACK
DB4
ACK
STOP
Start
Address byte with D0 = 0
ACK
IB1
ACK
IB2
ACK
STOP
XX01111X
XXX1X1XX
Start
Address byte with D0 = 1
ACK
DB1
ACK
DB2
ACK
DB3
ACK
DB4
ACK
STOP
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7564B 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7564BH 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7564BPD 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7564BPDTR 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7565 功能描述:音頻放大器 Quad Power Amplifier Built-in Volt Conv 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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