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| 型號： | TFA9841J |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1-channel audio amplifier |
| 中文描述： | 7.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM9 |
| 封裝： | PLASTIC, SOT-523-1, DIL-BENT-SIL, 9 PIN |
| 文件頁數(shù)： | 7/17頁 |
| 文件大小： | 121K |
| 代理商： | TFA9841J |
Philips Semiconductors
TFA9841J
1-channel audio amplifier (1 x SE)
Preliminary data
Rev. 01 — 06 February 2004
7 of 17
9397 750 12014
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
12. Dynamic characteristics
[1]
The noise output voltage is measured at the output in a frequency range from 20 Hz to 22 kHz (unweighted), with a source impedance
R
source
= 0
at the input.
Supply voltage ripple rejection is measured at the output, with a source impedance R
source
= 0
at the input and with a frequency range
from 20 Hz to 22 kHz (unweighted). The ripple voltage is a sine wave with a frequency f
ripple
and an amplitude of 300 mV (RMS), which
is applied to the positive supply rail.
Output voltage in mute mode (V
MODE
= 7 V) is measured with an input voltage of 1 V (RMS) in a bandwidth from 20 Hz to 22 kHz,
including noise.
[2]
[3]
Table 9:
V
CC
= 17 V; T
amb
= 25
°
C; R
L
= 4
; f = 1 kHz; V
MODE
= V
CC
; measured in test circuit
Figure 11
; unless otherwise specified.
Symbol
Parameter
Conditions
P
o
output power
R
L
= 4
; see
Figure 6
THD = 10 %
THD = 0.5 %
THD
total harmonic distortion
P
o
= 1 W; see
Figure 7
and
Figure 8
G
v
SE voltage gain
Z
i
input impedance
V
n(o)
noise output voltage
SVRR
supply voltage ripple
rejection
f
ripple
= 1 kHz
f
ripple
= 100 Hz to 20 kHz
V
o(mute)
output voltage in mute
mode
Dynamic characteristics
Min
Typ
Max
Unit
-
-
-
7.5
6.1
0.1
-
-
0.5
W
W
%
25
40
26
60
150
27
-
-
dB
k
μ
V
[1]
-
see
Figure 10
[2]
-
60
60
-
-
-
150
dB
dB
μ
V
[2]
-
[3]
-
V
i
= 50 mV; V
CC
= 18 V.
Fig 4.
AC output voltage as function of mode selection voltage.
20
VMODE (V)
0
4
8
12
Vo
(
μ
V)
16
10
7
10
6
10
5
10
4
10
3
10
2
10
1
MDB798
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TFA9841J/N1,112 | 功能描述:音頻放大器 1 X 7W SINGLE ENDED 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TFA9842AJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:7.5 W stereo power amplifier with volume control |
| TFA9842AJ/N1 | 功能描述:音頻放大器 2X7.5W SE MPA W/VOL CTRL 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TFA9842AJ/N1,112 | 功能描述:音頻放大器 2X7.5W SE MPA W/VOL 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TFA9842BJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-channel audio amplifier (SE: 1 W to 7.5 W) |
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