參數(shù)資料
型號(hào)： 8547TS
廠商： NXP Semiconductors N.V.
元件分類： 音頻放大器
英文描述： 2 x 0.7 W BTL audio amplifier with output channel switching
中文描述： 2 × 0.7糯橋接音頻放大器的輸出開(kāi)關(guān)通道
文件頁(yè)數(shù)： 8/20頁(yè)
文件大小： 162K
代理商： 8547TS
1998 Apr 01
8
Philips Semiconductors
Product specification
2
×
0.7 W BTL audio amplifier with
output channel switching
TDA8547TS
AC CHARACTERISTICS
V
CC
= 5 V; T
amb
= 25
°
C; R
L
= 8
; f = 1 kHz; V
MODE
= 0 V; gain = 20 dB; measured in BTL application circuit Fig.4;
unless otherwise specified.
Notes
1.
Gain of the amplifier is
in BTL application circuit Fig.4.
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.
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.
Output voltage in mute position is measured with a 1 V (RMS) input voltage in a bandwidth of 20 Hz to 20 kHz,
so including noise.
Channel separation is measured at the output with a source impedance of R
S
= 0
at the input and a frequency of
1 kHz. The output power in the operating channel is set to 0.5 W.
3.
4.
5.
6.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
0.3
30
100
200
UNIT
P
o
output power, one channel
THD = 10%
THD = 0.5%
P
o
= 0.4 W
note 1
1
0.6
6
50
40
1.2
0.9
0.15
100
W
W
%
dB
k
μ
V
dB
dB
μ
V
dB
THD
G
v
Z
i
V
no
SVRR
total harmonic distortion
closed loop voltage gain
differential input impedance
noise output voltage
supply voltage ripple rejection
note 2
note 3
note 4
note 5
V
SELECT
= 0.5V
CC
; note 6 40
V
o
α
cs
output voltage
channel separation
2
R1
R2
×
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