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PDF TDA8595 Data sheet ( Hoja de datos )
| Número de pieza | TDA8595 | |
| Descripción | I2C-bus controlled 4 x 45 W power amplifer | |
| Fabricantes | NXP Semiconductors | |
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TDA8595
I2C-bus controlled 4 × 45 W power amplifier
Rev. 02 — 21 November 2007
Product data sheet
1. General description
www.DataSheet4U.com
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 Ω or 2 Ω loads
I Speaker fault detection
I Independent short-circuit protection per channel
I Loss of ground and open VP safe (with 150 mΩ series 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
1 page  
NXP Semiconductors
TDA8595
I2C-bus controlled 4 × 45 W power amplifier
www.DataSheet4U.com
TAB 36
VP2 35
VP2 34
DIAG 33
OUT2− 32
PGND2 31
OUT2+ 30
STB 29
ADSEL 28
n.c. 27
SDA 26
OUT4+ 25
PGND4 24
OUT4− 23
SCL 22
VP1 21
VP1 20
n.c. 19
TDA8595TH
Fig 3. Pin configuration TDA8595TH
1 n.c.
2 OUT1−
3 PGND1
4 OUT1+
5 SVR
6 IN1
7 IN2
8 n.c.
9 SGND
10 n.c.
11 IN4
12 IN3
13 ACGND
14 OUT3+
15 n.c.
16 PGND3
17 OUT3−
18 n.c.
001aad138
6.2 Pin description
Table 3.
Symbol
ADSEL
STB
Pin description
Pin
TDA8595J
TDA8595SD[1]
1
2
TDA8595TH
28
29
PGND2
OUT2−
DIAG
OUT2+
VP2
n.c.
OUT1−
PGND1
OUT1+
SVR
IN1
IN2
n.c.
SGND
3
4
5
6
7
-
8
9
10
11
12
13
-
14
31
32
33
30
34 and 35
1
2
3
4
5
6
7
8
9
Description
I2C-bus address select
standby (I2C-bus mode) or mode pin (legacy
mode); programmable second clip indicator
power ground channel 2
negative channel 2 output
diagnostic/clip detection output
positive channel 2 output
supply voltage 2
not connected
negative channel 1 output
power ground channel 1
positive channel 1 output
half supply filter capacitor
channel 1 input
channel 2 input
not connected
signal ground
TDA8595_2
Product data sheet
Rev. 02 — 21 November 2007
© NXP B.V. 2007. All rights reserved.
5 of 50
5 Page 
NXP Semiconductors
TDA8595
I2C-bus controlled 4 × 45 W power amplifier
VP
DIAG
DB2 bit D7
POR
www.DataSheet4U.com
IB1 bit D0
start enable
STB
twake
SVR
amplifier
output
tload
tamp_on
td(mute_off)
td(soft_mute)
Fig 6. Start-up and shut-down timing with low audible pop and DC load activated
toff
fast
mute
td(fast_mute)
001aad 170
TDA8595_2
Product data sheet
Rev. 02 — 21 November 2007
© NXP B.V. 2007. All rights reserved.
11 of 50
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TDA8595.PDF ] | |
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