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參數資料
| 型號： | TS2007IQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.3 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8 |
| 封裝： | 3 X 3 MM, DFN-8 |
| 文件頁數： | 3/29頁 |
| 文件大小： | 464K |
| 代理商： | TS2007IQT |
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TS2007
Electrical characteristics
11/29
Table 9.
VCC = +2.4V, GND = 0V, Vic=1.2V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply current
No input signal, no load
1.7
2.4
mA
ICC-STBY
Standby current (1)
No input signal, VSTBY = GND
10
1000
nA
Voo
Output offset voltage
Floating inputs, RL = 8Ω
25
mV
Po
Output power
THD+N = 1% Max, f = 1kHz, RL = 4Ω
THD+N = 1% Max, f = 1kHz, RL = 8Ω
THD = 10% Max, f = 1kHz, RL = 4Ω
THD = 10% Max, f = 1kHz, RL = 8Ω
0.48
0.3
0.6
0.36
W
THD + N
Total harmonic distortion + noise
Po = 200mWRMS, G = 6dB, f = 1kHz, RL = 8Ω
0.1
%
Efficiency
Po = 0.38 WRMS, RL = 4Ω (with LC output filter)
Po = 0.25 WRMS, RL = 8Ω (with LC output filter)
82
90
%
PSRR
Power supply rejection ratio with inputs grounded, Cin=1F
(2)
f = 217Hz, RL = 8Ω, Gain=6dB, Vripple = 200mVpp
f = 217Hz, RL = 8Ω, Gain=12dB, Vripple = 200mVpp
63
60
dB
CMRR
Common mode rejection ratio 20Hz < f < 20kHz
60
dB
Gain
Gain value
GS = 0V
GS = VCC
11.5
5.5
12
6
12.5
6.5
dB
Zin
Single input impedance (3)
68
75
82
k
Ω
FPWM
Pulse width modulator base frequency
190
280
370
kHz
SNR
Signal to noise ratio (A-weighting)
Po=0.4W, RL=4Ω (with LC output filter)
88
dB
tWU
Wake-up time
5
10
ms
tSTBY
Standby time
5
ms
VN
Output voltage noise f = 20Hz to 20kHz, RL=4Ω
Unweighted (filterless, G=6dB)
A-weighted (filterless, G=6dB)
Unweighted (with LC output filter, G=6dB)
A-weighted (with LC output filter, G=6dB)
Unweighted (filterless, G=12dB)
A-weighted (filterless, G=12dB)
Unweighted (with LC output filter, G=12dB)
A-weighted (with LC output filter, G=12dB)
70
50
66
49
91
65
84
64
μVRMS
1.
Standby mode is active when VSTBY is tied to GND.
2.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinus signal to VCC @ f = 217Hz.
3.
Independent of Gain configuration (6 or 12dB) and between IN+ or IN- and GND.
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