參數(shù)資料
型號: TDA8922B
廠商: NXP Semiconductors N.V.
英文描述: 2 X 50 W class-D power amplifier
中文描述: 2 × 50瓦D類功率放大器
文件頁數(shù): 23/32頁
文件大?。?/td> 201K
代理商: TDA8922B
9397 750 13357
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Preliminary data sheet
Rev. 01 — 1 October 2004
23 of 32
Philips Semiconductors
TDA8922B
2
×
50 W class-D power amplifier
f = 1 kHz.
(1) V
P
=
±
21 V; 1
×
8
BTL configuration.
(2) V
P
=
±
26 V; 2
×
6
SE configuration.
(3) V
P
=
±
26 V; 2
×
8
SE configuration.
Fig 18. Power dissipation as a function of total output
power.
f = 1 kHz.
(1) V
P
=
±
26 V; 2
×
8
SE configuration.
(2) V
P
=
±
26 V; 2
×
6
SE configuration.
(3) V
P
=
±
21 V; 1
×
8
BTL configuration.
Fig 19. Efficiency as a function of total output power.
(THD + N)/S = 0.5 %; f = 1 kHz.
(1) 1
×
8
BTL configuration.
(2) 2
×
6
SE configuration.
(3) 2
×
8
SE configuration.
(THD + N)/S = 10 %; f = 1 kHz.
(1) 1
×
8
BTL configuration.
(2) 2
×
6
SE configuration.
(3) 2
×
8
SE configuration.
Fig 20. Output power as a function of supply voltage;
(THD + N)/S = 0.5 %.
Fig 21. Output power as a function of supply voltage;
(THD + N)/S = 10 %.
001aab207
8
12
4
16
20
P
tot
(W)
0
10
2
P
o
(W)
10
3
10
2
10
1
10
1
(1)
(2)
(3)
P
o
(W)
0
200
160
80
120
40
001aab208
40
60
20
80
100
η
(%)
0
(1)
(2)
(3)
V
S
(V)
10
35
30
20
25
15
001aab209
40
80
120
P
o
(W)
0
(1)
(2)
(3)
V
S
(V)
10
35
30
20
25
15
001aab210
80
120
40
160
200
P
o
(W)
0
(1)
(2)
(3)
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TDA8922BTH-T 功能描述:音頻放大器 2X50W CLASSD PWR AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel