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ST72C171 数据表(PDF) 143 Page - STMicroelectronics

部件名 ST72C171
功能描述  8-BIT MCU with 8K FLASH, ADC, WDG, SPI, SCI, TIMERS SPGAs Software Programmable Gain Amplifiers, OP-AMP
PDF  152 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72C171 数据表(HTML) 143 Page - STMicroelectronics

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9.13.1 Typical Phase Gain vs. Frequency
Figure 99. Gain vs Frequency
9.13.2 Typical Total Harmonic Distorsion
Figure 100 shows three typical curves for different
VDD values. This characterisation has been done
at TA 25°C using a 1 kHz sine wave signal with an
average value of VDD/2. This signal is input to the
SPGA configured in non-inverter mode with a gain
of 1. The SPGA output is loaded with a 1K resistor.
Figure 100. Total Harmonic Distorsion vs Vout
1.00E+3
1.00E+4
1.00E+5
1.00E+6
1.00E+7
-40
-20
0
20
40
60
-120
-90
-60
-30
0
30
60
90
120
150
180
Gain (dB)
Phase (Deg)
load RL=2Kohm CL= 120pF VDD=5V
01
23
4
5
6
7
VOUT peak-peak (V)
0
0.05
0.1
0.15
0.2
Vdd=6V
Vdd=5V
Vdd=3V
RL =10Kohm, F= 1KHz



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