TDA7575B datasheet(21/32 Pages) STMICROELECTRONICS

部件名	TDA7575B

功能描述	2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics

PDF	32 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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21 / 32 page

TDA7575B

Software specifications

Doc ID 14103 Rev 3

21/32

Table 9.

DB2

Bit

Instruction decoding bit

Offset detection not activated (D7 = 0)

Offset detection activated (D7 = 1)

Current sensor not activated (D6 = 0)

Current sensor activated (D6 = 1)

Channel LR

Current detection IB2 (D0) = 0

Output peak current < 250 mA - Open load (D5 = 1)

Output peak current > 500 mA - Normal load (D5 = 0)

Channel LR

Current detection IB2 (D0) = 1

Output peak current < TBD mA - Open load (D5 = 1)

Output peak current > TBD mA - Normal load (D5 = 0)

Channel 2

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel 2

Normal load (D3 = 0)

Short load (D3 = 1)

Channel 2

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 2

No short to Vcc (D1 = 0)

Short to Vcc (D1 = 1)

Channel 2

No short to GND (D1 = 0)

Short to GND (D1 = 1)

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