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參數(shù)資料
| 型號(hào)： | TS4961TIQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC16 |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, QFN-16 |
| 文件頁(yè)數(shù)： | 11/49頁(yè) |
| 文件大?。?/td> | 1351K |
| 代理商： | TS4961TIQT |
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TS4961T
Electrical characteristics curves
19/49
3
Electrical characteristics curves
3.1
Audio amplifier section
The graphs included in this section use the following abbreviations:
●
RL + 15 H or 30 H = pure resistor + very low series resistance inductor.
●
Filter = LC output filter (1 F+30 H for 4
Ω and 0.5 F+6 0H for 8 Ω).
●
All measurements done with Cs1 = 1 F and Cs2 = 100 nF except for PSRR where Cs1
is removed.
Figure 1.
Test diagram for audio amplifier measurements
Figure 2.
Test diagram for audio amplifier PSRR measurements
In+
In-
Rin
150k
Rin
150k
Cin
GND
Vcc
CSA
1uF
GND
RL
4 or 8 Ohms
15uH or 30uH
or
LC Filter
5th order
50kHz low pass
filter
Audio Measurement
Bandwidth < 30kHz
Out+
Out-
of the TS4961T
Audio Amplifier
GNDA
VCCA
In+
In-
Rin
150k
Rin
150k
4.7uF
Cin
4.7uF
Cin
GND
CSA
100nF
GND
RL
4 or 8 Ohms
15uH or 30uH
or
LC Filter
5th order
50kHz low pass
filter
RMS Selective Measurement
Bandwidth=1% of Fmeas
Out+
Out-
Audio Amplifier
GND
5th order
50kHz low pass
filter
Reference
20Hz to 20kHz
Vcc
GND
VCCA
GNDA
of the TS4961T
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