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參數(shù)資料
| 型號： | TA2020-020 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Stereo 20W (4з) Class-T Digital Audio Amplifier using Digital Power Processing Technology |
| 中文描述： | 立體聲20瓦（4з）類- T數(shù)字音頻放大器采用數(shù)字電源處理技術 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 293K |
| 代理商： | TA2020-020 |
T E C H N I C A L I N F O R M A T I O N
TA2020-020, Rev. 4.0, 09.00
3 of 13
Electrical Characteristics
(Note 1, 2)
See Test/Application Circuit. Unless otherwise specified, V
DD
= 13.5V, f = 1kHz, Measurement
Bandwidth = 22kHz, R
L
= 4
, T
A
= 25
°
C.
SYMBOL
PARAMETER
P
O
Output Power
(Continuous Average/Channel)
THD+N = 10%
I
DD,MUTE
Mute Supply Current
MUTE = V
IH
I
DD, SLEEP
Sleep Supply Current
SLEEP = V
IH
I
q
Quiescent Current
V
IN
= 0 V
THD + N
Total Harmonic Distortion Plus
Noise
IHF-IM
IHF Intermodulation Distortion
19kHz, 20kHz, 1:1 (IHF)
CONDITIONS
MIN.
TYP.
13
8
22
12
5.5
MAX.
UNITS
W
W
W
W
mA
THD+N = 0.1%
R
L
= 4
R
L
= 8
R
L
= 4
R
L
= 8
7
0.25
2
mA
60
mA
P
O
= 10W/Channel
0.03
%
0.18
%
SNR
Signal-to-Noise Ratio
A-Weighted, P
OUT
= 1W, R
L
= 8
0dBr = 1W, R
L
= 4
, f = kHz
Vripple = 100mV
89
dB
CS
Channel Separation
74
80
dB
PSRR
Power Supply Rejection Ratio
60
80
dB
η
V
OFFSET
V
OH
Power Efficiency
P
OUT
= 12W/Channel, R
L
= 8
No Load, MUTE = Logic low
88
%
Output Offset Voltage
50
150
mV
High-level output voltage
(FAULT & OVERLOADB)
Low-level output voltage
(FAULT & OVERLOADB)
Output Noise Voltage
3.5
V
V
OL
1
V
e
OUT
Notes:
1) Minimum and maximum limits are guaranteed but may not be 100% tested.
2) For operation in ambient temperatures greater than 25
°
C, the device must be derated based on
the maximum junction temperature and the thermal resistance determined by the mounting
technique.
A-Weighted, input AC grounded
100
μ
V
B
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