ADM7151ACPZ-04-R2 datasheet(10/24 Pages) AD

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ADM7151

Data Sheet

Rev. B | Page 10 of 24

FREQUENCY (Hz)

10M

100k

10k

100

–120

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

600mV

700mV

800mV

900mV

1.0V

1.1V

1.2V

1.3V

1.4V

Figure 23. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various

Headroom Voltages, ADM7151-02, VOUT = 4 V, 400 mA Load

FREQUENCY (Hz)

10M

100k

10k

100

–120

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

600mV

700mV

800mV

900mV

1.0V

1.1V

1.2V

1.4V

1.6V

1.8V

Figure 24. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various

Headroom Voltages, ADM7151-04, VOUT = 5 V, 400 mA Load

HEADROOM (V)

1.5

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

–120

–100

–80

–60

–40

–20

100Hz

10kHz

1MHz

10Hz

1kHz

100kHz

10MHz

Figure 25. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

ADM7151-02, VOUT = 4 V, 100 mA Load

HEADROOM (V)

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

–120

–100

–80

–60

–40

–20

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 26. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

ADM7151-02, VOUT = 4 V, 400 mA Load

HEADROOM (V)

1.6

1.4

1.5

1.3

1.2

1.1

1.0

0.9

0.8

0.7

–120

–100

–80

–60

–40

–20

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 27. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

ADM7151-02, VOUT = 4 V, 800 mA Load

HEADROOM (V)

1.5

0.3

0.5

0.7

0.9

1.1

1.3

–140

–120

–100

–60

–20

–80

–40

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 28. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

ADM7151-04, VOUT = 5 V, 100 mA Load

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