TDA7561 datasheet(21/27 Pages) STMICROELECTRONICS

No. de pieza	TDA7561

Descripción Electrónicos	Multifunction quad power amplifier with built-in diagnostics features

PDF	27 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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21 / 27 page

TDA7561

Software specifications

Doc ID 8326 Rev 6

21/27

Table 9.

DB2

Bit

Instruction decoding bit

Offset detection not activated (D7 = 0)

Offset detection activated (D7 = 1)

Channel LRTurn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel LRNormal load (D3 = 0)

Short load (D3 = 1)

Channel LRTurn-on diag.: No open load (D2 = 0)

Open load detection (D2 = 1)

Permanent diag.: No output offset (D2 = 0)

Output offset detection (D2 = 1)

Channel LR

No short to Vcc (D1 = 0)

Short to Vcc (D1 = 1)

Channel LR

No short to GND (D1 = 0)

Short to GND (D1 = 1)

Table 10.

DB3

Bit

Instruction decoding bit

Standby status (= IB1 - D4)

Diagnostic status (= IB1 - D6)

Channel RFTurn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel RFNormal load (D3 = 0)

Short load (D3 = 1)

Channel RF

Turn-on diag.: No open load (D2 = 0)

Open load detection (D2 = 1)

Permanent diag.: No output offset (D2 = 0)

Output offset detection (D2 = 1)

Channel RFNo short to Vcc (D1 = 0)

Short to Vcc (D1 = 1)

Channel RFNo short to GND (D1 = 0)

Short to GND (D1 = 1)

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