ADP322ACPZ-135-R7 datasheet(13/24 Pages) AD

13 / 24 page

Data Sheet

ADP322/ADP323

Rev. E | Page 13 of 24

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

10mA

100mA

200mA

FREQUENCY (Hz)

100

10k

100k

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

10mA

100mA

200mA

FREQUENCY (Hz)

100

10k

100k

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

FREQUENCY (Hz)

1.8V/200mA

1.8V/100mA

1.8V/10mA

1.2V/200mA

1.2V/100mA

1.2V/10mA

100

10k

100k

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

100

10k

FREQUENCY (Hz)

100

10k

100k

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

0.001

0.01

0.1

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

0.001

0.01

0.1

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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