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PDF TDA8552T Data sheet ( Hoja de datos )
| Número de pieza | TDA8552T | |
| Descripción | 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA8552T; TDA8552TS
2 × 1.4 W BTL audio amplifiers with
digital volume control and
headphone sensing
Preliminary specification
Supersedes data of 1998 Feb 26
File under Integrated Circuits, IC01
1998 Jun 02
1 page  
Philips Semiconductors
2 × 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
Preliminary specification
TDA8552T; TDA8552TS
PINNING
SYMBOL
GND1
OUT2+
VDD1
HPS
MODE
UP/DOWN1
UP/DOWN2
VDD2
OUT2−
GND2
GND3
OUT1+
VDD3
GAINSEL
IN2
SVR
IN1
VDD4
OUT1−
GND4
PIN(1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DESCRIPTION
ground 1, substrate/leadframe
positive loudspeaker terminal
output channel 2
supply voltage 1
digital input for headphone
sensing
digital trinary input for mode
selection (standby, mute and
operating)
digital trinary input for volume
control channel 1
digital trinary input for volume
control channel 2
supply voltage 2
negative loudspeaker terminal
output channel 2
ground 2, substrate/leadframe
ground 3, substrate/leadframe
positive loudspeaker terminal
output channel 1
supply voltage 3
digital input for gain selection
audio input channel 2
half supply voltage, decoupling
ripple rejection
audio input channel 1
supply voltage 4
negative loudspeaker terminal
output channel 1
ground 4, substrate/leadframe
Note
1. For the SO20 (SOT163-1) package only: the ground
pins 1, 10, 11 and 20 are mechanically connected to
the leadframe and electrically to the substrate of the
die. On the PCB the ground pins can be connected to
a copper area to decrease the thermal resistance.
handbook, halfpage
GND1 1
20 GND4
OUT2+ 2
19 OUT1−
VDD1 3
HPS 4
18 VDD4
17 IN1
MODE 5
16 SVR
TDA8552T
UP/DOWN1 6
15 IN2
UP/DOWN2 7
14 GAINSEL
VDD2 8
OUT2− 9
13 VDD3
12 OUT1+
GND2 10
11 GND3
MGM610
Fig.2 Pin configuration.
1998 Jun 02
5
5 Page 
Philips Semiconductors
2 × 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
Preliminary specification
TDA8552T; TDA8552TS
AC CHARACTERISTICS (VDD = 3.3 V)
Tamb = 25 °C; RL = 8 Ω; f = 1 kHz; total gain setting at 7 dB; VMODE = 0 V; gain select pin is at 0 V
(maximum gain = 20 dB); according to Fig.4.
SYMBOL
Po
THD
Vo(n)
SVRR
Vi(max)
αsup
αcs
PARAMETER
output power
total harmonic distortion
noise output voltage
supply voltage ripple
rejection
maximum input voltage
channel suppression
channel separation
CONDITIONS
THD = 10%; RL = 4 Ω
THD = 10%; RL = 8 Ω
THD = 10%; RL = 16 Ω
THD = 0.5%; RL = 4 Ω
THD = 0.5%; RL = 8 Ω
THD = 0.5%; RL = 16 Ω
Po = 0.1 W; note 1
note 2
note 3
MIN.
−
−
−
−
−
−
−
−
tbf
THD = 1%;
Gv = −50 to 0 dB
VHPS = VDD; note 4
−
−
−
TYP.
0.9
0.6
0.3
0.6
0.4
0.2
0.1
60
55
−
80
55
MAX.
−
−
−
−
−
−
−
−
−
UNIT
W
W
W
W
W
W
%
µV
dB
1.1 V
− dB
− dB
Notes
1. Volume setting at maximum.
2. The noise output voltage is measured at the output in a frequency band from 20 Hz to 20 kHz (unweighted),
Rsource = 0 Ω, gain select pin is LOW (0 V).
3. Supply voltage ripple rejection is measured at the output, with a source impedance of Rsource = 0 Ω at the input.
The ripple voltage is a sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS) is applied to the
positive supply rail, gain select pin is LOW (0 V).
4. Channel suppression is measured at the output with a source impedance of Rsource = 0 Ω at the input and a
frequency of 1 kHz. The output level in the operating single-ended channel (OUT+) is set at 2 V (RMS).
1998 Jun 02
11
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet TDA8552T.PDF ] | |
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