TDA8595 데이터 시트보기 (PDF) - NXP Semiconductors.

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TDA8595

I2C-bus controlled 4×45 W power amplifier

NXP Semiconductors. 

NXP Semiconductors

TDA8595

I2C-bus controlled 4 × 45 W power amplifier

Table 9.

Bit

D0

Instruction byte IB2 …continued

Description

fast mute all amplifier channels (mute delay 100 µs)

0 = no mute

1 = mute

Table 10.

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Instruction byte IB3

Description

don’t care

amplifier channel 1 and channel 3 gain select

0 = 26 dB

1 = 16 dB

amplifier channel 2 and channel 4 gain select

0 = 26 dB

1 = 16 dB

temperature pre-warning level

0 = warning level on 145 °C

1 = warning level on 122 °C

disable channel 3

0 = channel 3 enabled

1 = channel 3 disabled

disable channel 1

0 = channel 1 enabled

1 = channel 1 disabled

disable channel 4

0 = channel 4 enabled

1 = channel 4 disabled

disable channel 2

0 = channel 2 enabled

1 = channel 2 disabled

8.2 Data bytes

I2C-bus mode:

• If R/W = 1, the TDA8595 sends four data bytes to the microprocessor: DB1, DB2,

DB3 and DB4

• All bits except DB1[D7] and DB3[D7] are latched

• All bits except DBx[D4] and DBx[D5] are reset after a read operation. Bit DBx[D2] is

set after a read operation, see Section 7.14

• For explanation of AC and DC load detection bits, see Section 7.15 and Section 7.16

TDA8595_2

Product data sheet

Rev. 02 — 21 November 2007

© NXP B.V. 2007. All rights reserved.

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