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TDA8595 Datasheet

I2C-bus controlled 4 x 45 W power amplifer

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TDA8595
I2C-bus controlled 4 × 45 W power amplifier
Rev. 02 — 21 November 2007
Product data sheet
1. General description
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2. Features
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.
2.1 General
I Operates in legacy mode (non I2C-bus) and I2C-bus mode (3.3 V and 5 V compliant)
I Three hardware-programmable I2C-bus addresses
I Drive 4 or 2 loads
I Speaker fault detection
I Independent short-circuit protection per channel
I Loss of ground and open VP safe (with 150 mseries impedance and a supply
decoupling capacitor of 2200 µF maximum)
I All outputs short-circuit proof to ground, supply voltage and across the load
I All pins short-circuit proof to ground
I Temperature-controlled gain reduction to prevent audio holes at high junction
temperatures
I Low battery voltage detection
I Offset detection
I This part has been qualified in accordance with AEC-Q100
2.2 I2C-bus mode
I DC load detection: open-circuit, short-circuit and load present
I AC load (tweeter) detection
I During start-up, can detect which load is connected so the appropriate gain can be
selected without audio pop
I Independently selectable soft mute of front channels (channel 1 and channel 3) and
rear channels (channel 2 and channel 4)
I Programmable gain (26 dB and 16 dB) of front channels and rear channels
I Fully programmable diagnostic levels can be set:
N Programmable clip detection: 2 %, 5 % or 10 %
N Programmable thermal pre-warning


NXP Semiconductors Electronic Components Datasheet

TDA8595 Datasheet

I2C-bus controlled 4 x 45 W power amplifer

No Preview Available !

NXP Semiconductors
TDA8595
I2C-bus controlled 4 × 45 W power amplifier
I Selectable information on the DIAG and STB pins:
N The STB pin can be programmed/multiplexed with second clip detection
N Clip information of each channel can be directed separately to the DIAG pin or the
STB pin
N Independent enabling of thermal, clip or load fault detection (short across or to VP
or to ground) on DIAG pin
3. Quick reference data
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Table 1. Quick reference data
Refer to test circuit (see Figure 30) at VP = VP1 = VP2 = 14.4 V; RL = 4 ; f = 1 kHz; RS = 0 ;
normal mode; unless otherwise specified. Tested at Tamb = 25 °C; guaranteed for Tamb = 40 °C to
+105 °C.
Symbol
Parameter
Conditions
Min Typ Max Unit
VP
supply voltage
RL = 4
8 14.4 18 V
Iq quiescent current no load
- 270 400 mA
Po
output power
VP = 14.4 V
RL = 4 ; THD = 0.5 %
18 20 -
W
RL = 4 ; THD = 10 %
23 25 -
W
RL = 4 ; maximum
power; Vi = 2 V (RMS)
square wave
37 40 -
W
RL = 2 ; maximum
power; Vi = 2 V (RMS)
square wave
58 64 -
W
THD
total harmonic
distortion
RL = 4 ; f = 1 kHz;
Po = 1 W to 12 W
- 0.01 0.1 %
Vn(o)
noise output
voltage
filter 20 Hz to 22 kHz;
RS = 1 k
normal mode
- 45 65 µV
line driver mode
- 22 29 µV
4. Ordering information
Table 2. Ordering information
Type
number
Package
Name
Description
TDA8595J DBS27P
plastic DIL-bent-SIL (special bent) power package;
27 leads (lead length 6.8 mm)
TDA8595TH HSOP36
plastic, heatsink small outline package; 36 leads;
low stand-off height
TDA8595SD RDBS27P plastic rectangular-DIL-bent-SIL (reverse bent) power
package; 27 leads (row spacing 2.54 mm)
Version
SOT827-1
SOT851-2
SOT878-1
TDA8595_2
Product data sheet
Rev. 02 — 21 November 2007
© NXP B.V. 2007. All rights reserved.
2 of 50


Part Number TDA8595
Description I2C-bus controlled 4 x 45 W power amplifer
Maker NXP Semiconductors
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TDA8595 Datasheet PDF






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