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參數(shù)資料
| 型號(hào)： | TMPA208DS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2.5W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH VOLUME CONTROL |
| 中文描述： | 2.5W的立體聲D類音頻功率放大器具有音量放大器控制 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 179K |
| 代理商： | TMPA208DS |
Tai-1 Microelectronics
www.taimec.com.tw
/
www.class-d.com.tw
Preliminary
TMPA208DS
Rev.1.0 June 27, 2006
OPERATING CHARACTERISTICS
Copyright
2005,Tai-1 Microelectronics Corp.
5
T
A
=25
。
C
, V
DD
=PV
DD
=5V, R
L
=8
Ω
speaker, Gain=18dB
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f=1kHz, R
L
=3
Ω
, stereo operation
2.5
W
f=1kHz, R
L
=4
Ω
, stereo operation
2
W
P
O
Output power per channel
(Limited by thermal condition)
f=1kHz, R
L
=8
Ω
, stereo operation
R
L
=8
Ω
, P
O
=1.2W, f=1kHz
1.25
0.4
％
150
W
C
C
THD+N
Vn
Total harmonic distortion plus noise
Thermal trip point
。
Thermal hysteresis
20
。
Integrated noise floor
20 Hz to 20 kHz, inputs ac grounded
85
μ
Vrms
SNR
Signal-to-noise ratio
V
DD
=AV
DD
=5V, P
O
=1W, R
L=
8
Ω
V
DD
=AV
DD
=5V, P
O
=1W R
L
=8
Ω
95
dB
Crosstalk
VOLTAGE RANGE OF
“
VOLUME
”
AT DIFFERENT VDD
Crosstalk between outputs
-68
dB
VDD
5V
3.6V
3V
MAX
2.8V
1.9V
1.3V
MIN
0V
0V
0V
VOLTAGE GAIN
AT
T
A
=25
。
C
, R
L
=8
Ω
V
DD
=PV
DD
=5V
5V
3.6V
3V
VOLTAGE GAIN
18dB/-27dB
18dB/-27dB
16dB/-27dB
VOLTAGE of VOLUME
2.8V/0V
1.9V/0V
1.4V/0V
PDF created with pdfFactory trial version
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