参数资料
型号: TS472IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, AUDIO PREAMPLIFIER, QCC24
封装: 4 X 4 MM, LEAD FREE, QFN-24
文件页数: 22/24页
文件大小: 622K
代理商: TS472IQT
TS472
Electrical characteristics
7/24
Note:
Unweighted filter = 20Hz
≤F ≤20kHz
Table 7.
Differential RMS noise voltage
Gain
(dB)
Input referred noise voltage
(
μVRMS)
Output noise voltage
(
μVRMS)
Unweighted filter
A-weighted filter
Unweighted filter
A-weighted filter
015
10
15
10
20
3.4
2.3
34
23
40
1.4
0.9
141
91
Table 8.
Bias output RMS noise voltage
Cout
(
μF)
Unweighted filter
(
μVRMS)
A-weighted filter
(
μVRMS)
15
4.4
10
2.2
1.2
Table 9.
SNR (signal to noise ratio), THD+N < 0.5%
Gain
(dB)
Unweighted filter
(dB)
A-weighted filter
(dB)
VCC=2.2V
VCC=3V
VCC=5.5V
VCC=2.2V
VCC=3V
VCC=5.5V
0
75
76
767980
80
20
82
83
89
90
40
70
72
74
80
82
84
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