TDA75612LV View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TDA75612LV

4 x 45 W power amplifier with full I2C diagnostics, SSR and low voltage operation

STMicroelectronics 

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TDA75612LV

10 Software specifications

Software specifications

All the functions of the TDA75612LV are activated by I2C interface.

The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from µP to

TDA75612LV) or read instruction (from TDA75612LV to µP).

Chip address

D7

1

1

0

1

1

(*)

(*)

X = 0 Write to device

X = 1 Read from device

If R/W = 0, the µP sends 2 "Instruction Bytes": IB1 and IB2.

(*) Address selector bit, please refer to address selection description on Chapter 9.2.

Table 7. IB1

Bit

Instruction decoding bit

D7

Supply transition mute threshold high (D7 = 1)

Supply transition mute threshold low (D7 = 0)

D6

Diagnostic enable (D6 = 1)

Diagnostic defeat (D6 = 0)

D5

Offset Detection enable (D5 = 1)

Offset Detection defeat (D5 = 0)

Front Channel (CH1, CH3)

D4 Gain = 30 dB (D4 = 0)

Gain = 16 dB (D4 = 1)

Rear Channel (CH2, CH4)

D3 Gain = 30 dB (D3 = 0)

Gain = 16 dB (D3 = 1)

D2

Mute front channels (D2 = 0)

Unmute front channels (D2 = 1)

D1

Mute rear channels (D1 = 0)

Unmute rear channels (D1 = 1)

D0

CD 2% (D0 = 0)

CD 10% (D0 = 1)

D0

X

D8 Hex

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