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TS4990IDT Scheda tecnica(PDF) 9 Page - STMicroelectronics |
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TS4990IDT Scheda tecnica(HTML) 9 Page - STMicroelectronics |
9 / 32 page TS4990 Electrical characteristics 9/32 Figure 8. PSRR vs. power supply Figure 9. PSRR vs. power supply 100 1000 10000 100000 -70 -60 -50 -40 -30 -20 -10 0 Vcc : 2.2V 2.6V 3.3V 5V Vripple = 200mVpp Av = 2 Input = Grounded Cb = Cin = 1 μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) 100 1000 10000 100000 -50 -40 -30 -20 -10 0 Vcc : 2.2V 2.6V 3.3V 5V Vripple = 200mVpp Av = 10 Input = Grounded Cb = Cin = 1 μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) Figure 10. PSRR vs. power supply Figure 11. PSRR vs. power supply 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 -20 -10 0 Vcc = 2.2, 2.6, 3.3, 5V Vripple = 200mVpp Rfeed = 22k Ω Input = Floating Cb = 1 μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) 100 1000 10000 100000 -60 -50 -40 -30 -20 -10 0 Vcc : 2.2V 2.6V 3.3V 5V Vripple = 200mVpp Av = 5 Input = Grounded Cb = Cin = 1 μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) Figure 12. PSRR vs. power supply Figure 13. PSRR vs. power supply 100 1000 10000 100000 -60 -50 -40 -30 -20 -10 0 Vcc = 5, 3.3, 2.5 & 2.2V Vripple = 200mVpp Av = 2 Input = Grounded Cb = 0.1 μF, Cin = 1μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 -20 -10 0 Vcc = 2.2, 2.6, 3.3, 5V Vripple = 200mVpp Rfeed = 22k Ω Input = Floating Cb = 0.1 μF RL >= 4 Ω Tamb = 25 °C Frequency (Hz) |
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