AD8021 datasheet(15/28 Pages) AD

15 / 28 page

AD8021

Rev. F | Page 15 of 28

100k

10M

100M

–20

10k

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (Hz)

Figure 41. CMRR vs. Frequency (See Figure 51)

100k

10M

100M

300

10k

100

0.3

0.1

0.03

0.01

0.003

FREQUENCY (Hz)

Figure 42. Output Impedance vs. Frequency, Chip Enabled

(See Figure 52)

100

200

300

400

500

TIME (ns)

VOUTPUT

tEN = 45ns

tDIS = 50ns

DISABLE

Figure 43. Enable (tEN)/Disable (tDIS) Time vs. VOUT (See Figure 53)

100M

0.1M

10M

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

FREQUENCY (Hz)

Figure 44. Input-to-Output Isolation, Chip Disabled (See Figure 54)

100k

10M

100M

300k

10k

100k

30k

10k

300

100

FREQUENCY (Hz)

Figure 45. Output Impedance vs. Frequency, Chip Disabled

(See Figure 55)

500M

100M

10k

10M

100k

–10

–30

–50

–70

–80

–100

–20

–40

–60

–90

VS = ±2.5V

VS = ±12V

VS = ±5V

FREQUENCY (Hz)

–PSRR

+PSRR

Figure 46. PSRR vs. Frequency and Supply Voltage

(See Figure 56 and Figure 57)

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