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ADP322ACPZ-155-R7 数据表(PDF) 13 Page - Analog Devices |
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ADP322ACPZ-155-R7 数据表(HTML) 13 Page - Analog Devices |
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13 / 24 page ![]() Data Sheet ADP322/ADP323 Rev. E | Page 13 of 24 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 10mA 100mA 200mA FREQUENCY (Hz) 1 10 100 1k 10k 100k 1M 10M Figure 35. Power Supply Rejection Ratio vs. Frequency, VOUT = 1.5 V, VIN = 2.0 V, VRIPPLE = 50 mV, COUT = 1 µF –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 10mA 100mA 200mA FREQUENCY (Hz) 1 10 100 1k 10k 100k 1M 10M Figure 36. Power Supply Rejection Ratio vs. Frequency, VOUT = 1.2 V, VIN = 2.2 V, VRIPPLE = 50 mV, COUT = 1 µF –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY (Hz) 1.8V/200mA 1.8V/100mA 1.8V/10mA 1.2V/200mA 1.2V/100mA 1.2V/10mA 10 100 1k 10k 100k 1M 10M 1V HEADROOM 1.8V PSRR 1.2 XTALK Figure 37. Power Supply Rejection Ratio vs. Frequency, Channel to Channel Crosstalk, VRIPPLE = 50 mV, COUT = 1 µF 1 10 100 10k 1k FREQUENCY (Hz) 1 10 100 1k 10k 100k 1M 10M 1.5V 1.8V 2.5V 3.3V Figure 38. Output Noise Spectral Density, VIN = 5 V, ILOAD = 10 mA, VRIPPLE = 50 mV, COUT = 1 µF 0 10 20 30 40 50 0.001 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) 1.5V 1.8V 2.5V 3.3V Figure 39. 10 Hz to 100 kHz Output Noise vs. Load Current and Output Voltage, VIN = 5 V, VRIPPLE = 50 mV, COUT = 1 µF 0 10 20 30 40 50 0.001 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) 1.5V 1.8V 2.5V 3.3V Figure 40. 100 Hz to 100 kHz Output Noise vs. Load Current and Output Voltage, VIN = 5 V, VRIPPLE = 50 mV, COUT = 1 µF |
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