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参数资料
| 型号： | TDA8933BTW/N2,512 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| 封装： | 6.10 MM, 0.65 MM PITCH, PLASTIC, SOT-249-1, HTSSOP-32 |
| 文件页数： | 13/42页 |
| 文件大小： | 245K |
| 代理商： | TDA8933BTW/N2,512 |
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TDA8933B_1
NXP B.V. 2008. All rights reserved.
Preliminary data sheet
Rev. 01 — 23 October 2008
20 of 42
NXP Semiconductors
TDA8933B
Class D audio amplier
[1]
RS is the total series resistance of an inductor and a ESR single ended capacitor in the application.
[2]
Output power is measured indirectly; based on RDSon measurement.
[3]
THD+N is measured in a bandwidth of 20 Hz to 20 kHz, AES17 brick wall.
[4]
Vripple = 2 V (p-p); Ri = 0 .
[5]
B = 20 Hz to 20 kHz, AES17 brick wall.
Table 12.
SE characteristics
VP = 25 V, RL = 2 × 8 , fi = 1 kHz, fosc = 320 kHz, RS < 0.1 [1] and Tamb = 25 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Po(RMS)
RMS output power
continuous time output power per channel[2]
RL = 4 ; VP = 17 V
THD+N = 0.5 %, fi = 1 kHz
5.9
6.8
-
W
THD+N = 0.5 %, fi = 100 Hz
-
6.8
-
W
THD+N = 10 %, fi = 1 kHz
7.5
8.5
-
W
THD+N = 10 %, fi = 100 Hz
-
8.5
-
W
RL = 8 ; VP = 25 V
THD+N = 0.5 %, fi = 1 kHz
7.3
8.2
-
W
THD+N = 0.5 %, fi = 100 Hz
-
8.2
-
W
THD+N = 10 %, fi = 1 kHz
9.3
10.3
-
W
THD+N = 10 %, fi = 100 Hz
-
10.3
-
W
THD+N
total harmonic
distortion-plus-noise
Po = 1 W
fi = 1 kHz
-
0.014
0.1
%
fi = 6 kHz
-
0.05
0.1
%
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)
output noise voltage
Operating mode; Ri = 0
[5] -
100
150
V
Mute mode
[5] -
70
100
V
VO(mute)
mute output voltage
Mute mode; Vi = 1 V (RMS)
-
100
-
V
CMRR
common mode rejection
ratio
Vi(cm) = 1 V (RMS)
-
75
-
dB
ηpo
output power efciency
VP = 17 V; RL = 4 ;
Po = 8 W/channel
86
89
-
%
VP = 25 V; RL = 8 ;
Po = 10 W/channel
89
92
-
%
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