參數(shù)資料
型號(hào)： TDA8932TW
廠商： NXP SEMICONDUCTORS
元件分類： 音頻／視頻放大
英文描述： 25 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO32
封裝： 6.10 MM, 0.65 MM PITCH, PLASTIC, MO-153, SOT549-1, HTSSOP-32
文件頁數(shù)： 13/45頁
文件大?。?/td> 285K
代理商： TDA8932TW
TDA8932_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Preliminary data sheet
Rev. 01 — 11 May 2006
20 of 45
Philips Semiconductors
TDA8932
Class-D audio amplier
13. Dynamic characteristics
Table 11.
Switching characteristics
VP = 22 V; Tamb =25 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Internal oscillator
fosc
oscillator frequency
Rosc =39k
-
320
-
kHz
range
300
-
500
kHz
Timing PWM output: pins OUT1 and OUT2
tr
rise time
IO =0A
-
10
-
ns
tf
fall time
IO =0A
-
10
-
ns
tw(min)
minimum pulse width
IO =0A
-
80
-
ns
Table 12.
SE characteristics
VP = 22 V; RL =2 × 4 ; fi = 1 kHz; fosc = 320 kHz; Rs < 0.1 [1]; Tamb =25 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Po(RMS)
RMS output power
continuous time output power per
channel
RL =4 ; VP =22V
THD+N = 0.5 %, fi = 1 kHz
11
12
-
W
THD+N = 0.5 %, fi = 100 Hz
-
12
-
W
THD+N = 10 %, fi = 1 kHz
14
15
-
W
THD+N = 10 %, fi = 100 Hz
-
15
-
W
RL =8 ; VP =30V
THD+N = 0.5 %, fi = 1 kHz
11
12
-
W
THD+N = 0.5 %, fi = 100 Hz
-
12
-
W
THD+N = 10 %, fi = 1 kHz
14
15
-
W
THD+N = 10 %, fi = 100 Hz
-
15
-
W
short time output power per channel
RL =4 ; VP =29V
THD+N = 0.5 %
19
20
-
W
THD+N = 10 %
23
25
-
W
THD+N
total harmonic distortion-plus-
noise
Po =1W
fi = 1 kHz
-
0.015
0.05
%
fi = 6 kHz
-
0.08
0.10
%
Gv(cl)
closed loop voltage gain
Vi = 100 mV; no load
29
30
31
dB
|Gv|
voltage gain difference
-
0.5
1
dB
αcs
channel separation
Po = 1 W; fi = 1 kHz
70
80
-
dB
SVRR
supply voltage ripple rejection
Operating mode
fi = 100 Hz
-
60
-
dB
fi = 1 kHz
40
50
-
dB
|Zi|
input impedance
differential
70
100
-
k
Vn(o)
noise output voltage
Operating mode; Rs =0
100
150
V
Mute mode
70
100
V
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