TDA8595_15 datasheet(1/51 Pages) PHILIPS

Il numero della parte	TDA8595

Spiegazioni elettronici	I2C-bus controlled 4 ??45 W power amplifier

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Produttore elettronici	PHILIPS [NXP Semiconductors]

Homepage	http://www.nxp.com

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1.

General description

The TDA8595 is a complementary quad Bridge Tied Load (BTL) audio power amplifier

made in BCDMOS technology. It contains four independent amplifiers in BTL

configuration. Through the I2C-bus, diagnosis of temperature warning and clipping level is

fully programmable and the information available via two diagnostic pins is selectable.

The status of each amplifier (output offset, load or no load, short-circuit or speaker

incorrectly connected) can be read separately.

2.

Features and benefits

2.1 General

 Operates in legacy mode (non I2C-bus) and I2C-bus mode (3.3 V and 5 V compliant)

 Three hardware-programmable I2C-bus addresses

 Drive 4

 or 2  loads

 Speaker fault detection

 Independent short-circuit protection per channel

 Loss of ground and open VP safe (with 150 m series impedance and a supply

decoupling capacitor of 2200

F maximum)

 All outputs short-circuit proof to ground, supply voltage and across the load

 All pins short-circuit proof to ground

 Temperature-controlled gain reduction to prevent audio holes at high junction

temperatures

 Low battery voltage detection

 Offset detection

 This part has been qualified in accordance with AEC-Q100

2.2 I2C-bus mode

 DC load detection: open-circuit, short-circuit and load present

 AC load (tweeter) detection

 During start-up, can detect which load is connected so the appropriate gain can be

selected without audio pop

 Independently selectable soft mute of front channels (channel 1 and channel 3) and

rear channels (channel 2 and channel 4)

 Programmable gain (26 dB and 16 dB) of front channels and rear channels

 Fully programmable diagnostic levels can be set:

 Programmable clip detection: 2 %, 5 % or 10 %

 Programmable thermal pre-warning

TDA8595

I2C-bus controlled 4

 45 W power amplifier

Rev. 5 — 11 June 2013

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