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TDA8946J Datasheet(PDF) 8 Page - NXP Semiconductors

No. de pieza TDA8946J
Descripción Electrónicos  2 x 15 W stereo Bridge Tied Load BTL audio amplifier
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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Philips Semiconductors
TDA8946J
2 x 15 W stereo BTL audio amplifier
Product specification
Rev. 02 — 14 March 2000
8 of 23
9397 750 06863
© Philips Electronics N.V. 2000. All rights reserved.
12. Dynamic characteristics
[1]
The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance
RS =0 Ω at the input.
[2]
Supply voltage ripple rejection is measured at the output, with a source impedance RS =0 Ω at the input. The ripple voltage is a sine
wave with a frequency fripple and an amplitude of 700 mV (RMS), which is applied to the positive supply rail.
[3]
Output voltage in mute mode is measured with an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, so including noise.
Fig 3.
Quiescent supply current as function of supply
voltage.
Fig 4.
Quiescent supply current as function of mode
voltage.
handbook, halfpage
50
40
30
20
10
0
04
8
12
16
VCC (V)
Iq
(mA)
20
MGU005
handbook, halfpage
50
40
30
20
10
0
04
8
12
16
VMODE (V)
Iq
(mA)
20
MGU006
VCC = 18 V
12 V
Table 8:
Dynamic characteristics
VCC =18V; Tamb =25 °C; RL =8 Ω; f = 1 kHz; VMODE = 0 V; measured in test circuit Figure 14; audio pass band
22 Hz to 22 kHz; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Po
output power
THD = 10%
13
15
-
W
THD = 0.5%
10
11.5
-
W
THD
total harmonic distortion
Po = 1 W
-
0.03
0.1
%
Gv
voltage gain
31
32
33
dB
Zi(dif)
differential input impedance
70
90
110
k
Vn(o)
noise output voltage
[1] -
90
120
µV
SVRR
supply voltage ripple rejection
fripple = 1 kHz
[2] 50
65
-
dB
fripple = 100 Hz
to 20 kHz
[2] -60
-
dB
Vo(mute)
output voltage
mute mode
[3] --50
µV
αcs
channel separation
RS =0 Ω
50
75
-
dB


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