參數(shù)資料
型號(hào)： SA58631
廠商： NXP Semiconductors N.V.
英文描述： 3 W BTL audio amplifier
中文描述： 3瓦橋接音頻放大器
文件頁數(shù)： 5/19頁
文件大?。?/td> 175K
代理商： SA58631
SA58631
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 1 December 2005
5 of 19
Philips Semiconductors
SA58631
3 W BTL audio amplifier
11. Static characteristics
[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 6:
V
CC
= 5 V; T
amb
= 25
°
C; R
L
= 8
; V
MODE
= 0 V; measured in test circuit
Figure 3
; unless otherwise specified.
Symbol
Parameter
Conditions
Static characteristics
Min
Typ
Max
Unit
V
CC
I
q
I
stb
V
O
|
V
OUT+
V
OUT
|
I
IB(IN+)
I
IB(IN
)
V
MODE
supply voltage
operating
R
L
=
∞
V
MODE
= V
CC
2.2
9
18
V
quiescent current
[1]
-
8
12
mA
μ
A
standby current
-
-
10
output voltage
[2]
-
2.2
-
V
differential output voltage offset
-
-
50
mV
input bias current on pin IN+
input bias current on pin IN
-
-
500
nA
-
-
500
nA
voltage on pin MODE
operating
0
-
0.5
V
CC
1.5
V
CC
20
V
mute
1.5
V
CC
0.5
-
-
V
standby
-
V
μ
A
I
MODE
current on pin MODE
0 V < V
MODE
< V
CC
-
Table 7:
V
CC
= 5 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
Dynamic characteristics
Min
Typ
Max
Unit
P
o
output power
THD + N = 10 %
1
1.2
-
W
THD + N = 0.5 %
0.6
0.9
-
W
THD + N = 10 %; V
CC
= 9 V
P
o
= 0.5 W
-
3.0
-
W
THD + N
total harmonic distortion
plus noise
-
0.15
0.3
%
G
v(cl)
Z
i
closed-loop voltage gain
[1]
6
-
30
dB
k
differential input
impedance
-
100
-
V
n(o)
PSRR
noise output voltage
[2]
-
-
100
μ
V
power supply rejection
ratio
[3]
50
-
-
dB
[4]
40
-
-
dB
μ
V
V
O
output voltage
mute condition
[5]
-
-
200
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SA58631TK,157 功能描述:音頻放大器 3W BTL AUDIO AMPLIFIER 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
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