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參數(shù)資料
| 型號(hào)： | TA2021B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEREO 25W (4OHM) CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP) TECHNOLOGY |
| 中文描述： | 立體聲25瓦（4Ω）類- T的數(shù)字音頻放大器驅(qū)動(dòng)程序使用數(shù)字功率處理（民進(jìn)黨）科技 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 268K |
| 代理商： | TA2021B |
Tripath Technology, Inc. - Technical Information
3
TA2021B – 3.0/04.03
Electrical Characteristics
(Notes 6, 7)
See Test/Application Circuit. Unless otherwise specified, V
DD
= 14.2V, f = 1kHz, Measurement
Bandwidth = 22kHz, R
L
= 4
, T
A
= 25
°
C.
SYMBOL
PARAMETER
P
O
Output Power
(Continuous Average/Channel)
THD+N = 10%
P
O
Output Power (V
DD
=14.6V)
(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.
15.5
9
23.5
14
16.5
9.5
25
14.8
5.5
MAX.
UNITS
W
W
W
W
W
W
W
W
mA
THD+N = 0.1%
R
L
= 4
R
L
= 8
R
L
= 4
R
L
= 8
R
L
= 4
R
L
= 8
R
L
= 4
R
L
= 8
THD+N = 0.1%
7
0.25
2
mA
64
75
mA
P
O
= 10W/Channel
0.035
%
0.1
0.3
%
SNR
Signal-to-Noise Ratio
A-Weighted, P
OUT
= 25W, R
L
= 4
0dBr = 1W, R
L
= 4
, f = 1 kHz
Vripple = 100mV
100
dB
CS
Channel Separation
74
80
dB
PSRR
Power Supply Rejection Ratio
60
80
dB
η
V
OFFSET
V
OH
Power Efficiency
P
OUT
= 13.5W/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
Note 6:
Note 7:
A-Weighted, input AC grounded
100
μ
V
Minimum and maximum limits are guaranteed but may not be 100% tested.
For operation in ambient temperatures greater than 25
°
C, the device must be de-rated based on the
maximum junction temperature and the thermal resistance determined by the mounting technique.
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