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參數(shù)資料
| 型號： | SA58632 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2 x 2.2 W BTL audio amplifier |
| 中文描述： | 2 × 2.2糯橋接音頻放大器 |
| 文件頁數(shù)： | 7/26頁 |
| 文件大?。?/td> | 174K |
| 代理商： | SA58632 |
SA58632_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 27 June 2006
7 of 26
Philips Semiconductors
SA58632
2
×
2.2 W BTL audio amplifier
[1]
With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the DC output
offset voltage divided by R
L
.
The DC output voltage with respect to ground is approximately 0.5
×
V
CC
.
[2]
12. Dynamic characteristics
[1]
Gain of the amplifier is 2
×
(R2 / R1) in test circuit of
Figure 3
.
[2]
The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance
of R
s
= 0
at the input.
Supply voltage ripple rejection is measured at the output with a source impedance of R
s
= 0
at the input. The ripple voltage is a
sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail.
[3]
[4]
Supply voltage ripple rejection is measured at the output, with a source impedance of R
s
= 0
at the input. The ripple voltage is a
sine wave with a frequency between 100 Hz and 20 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail.
[5]
Output voltage in mute position is measured with an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, which includes noise.
Table 7.
V
CC
= 6 V; T
amb
= 25
°
C; R
L
= 8
; f = 1 kHz; V
MODE
= 0 V; measured in test circuit
Figure 3
; unless otherwise specified.
Symbol
Parameter
Conditions
P
o
output power
THD+N = 10 %
THD+N = 0.5 %
THD+N = 10 %; V
CC
= 9 V;
application demo board
THD+N
total harmonic
distortion-plus-noise
G
v(cl)
closed-loop voltage gain
Z
i
differential input impedance
V
n(o)
noise output voltage
PSRR
power supply rejection ratio
Dynamic characteristics
Min
1.2
0.9
-
Typ
1.5
1.1
2.2
Max
-
-
-
Unit
W
W
W
P
o
= 0.5 W
-
0.15
0.3
%
[1]
6
-
100
-
-
-
-
-
30
-
100
-
-
200
-
dB
k
μ
V
dB
dB
μ
V
dB
-
[2]
-
[3]
50
[4]
40
V
O(mute)
α
cs
mute output voltage
channel separation
mute condition
[5]
-
40
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| SA58635UK,027 | 功能描述:音頻放大器 2x25mW cls-G stereo headphone driver 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 |
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