AD8109ASTZ

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27

Data Sheet AD8108/AD8109

Rev. C | Page 13 of 27

FREQUENCY (Hz)

10k 100k 1M

10M

–

30

–

40

–50

–

60

–70

–80

–90

POWER SUPPLY REJECTION (dB)

R

L

= 150Ω

01068-024

Figure 19. AD8108 PSRR vs. Frequency

nV/√Hz

FREQUENCY (Hz)

100k 1M 10M10

100

56.3

31.6

17.8

10

5.63

3.16

10k1k

100

01068-025

Figure 20. AD8108 Voltage Noise vs. Frequency

OUTPUT IMPEDANCE (Ω)

FREQUENCY (MHz)

0.1 10 100 500

1M

100k

10k

1k

100

1

01068-026

Figure 21. AD8108 Output Impedance, Disabled

5

4

3

2

1

0

10

0

–10

50ns/DIV

TYPICAL VIDEO OUT (RTO)

UPDATE INPUT

SWITCHING BETWEEN

TWO INPUTS

1V/DIV10mV/DIV

01068-027

Figure 22. AD8108 Switching Transient (Glitch)

OFF ISOLATION (dB)

FREQUENCY (Hz)

100k 10M 100M

500M

1M

V

IN

= 2V p-p

R

L

= 150

Ω

–

50

–60

–

70

–80

–90

–100

–110

–

120

–

130

–

40

–140

01068-028

Figure 23. AD8108 Off Isolation, Input-Output

OUTPUT IMPEDANCE (Ω)

1k

100

10

1

FREQUENCY (Hz)

100k 10M 100M 500M

0.1

1M

01068-029

Figure 24. AD8108 Output Impedance, Enabled

AD8108/AD8109 Data Sheet

Rev. C | Page 14 of 27

POWER SUPPLY REJECTION (dB RTI)

FREQUENCY (Hz)

10k 100k 1M 10M

–30

–40

–50

–60

–70

–80

–90

R

L

= 150Ω

01068-030

Figure 25. AD8109 PSRR vs. Frequency

nV/√Hz

FREQUENCY (Hz)

100k 1M 10M10

100.0

56.3

31.6

17.8

10.0

5.63

3.16

10k

1k100

01068-031

Figure 26. AD8109 Voltage Noise vs. Frequency

OUTPUT IMPEDANCE (Ω)

FREQUENCY (Hz)

100k 10M 100M 500M

1M

100k

10k

1k

100

1

01068-032

Figure 27. AD8109 Output Impedance, Disabled

5

4

3

2

1

0

10

0

–

10

50ns/DIV

TYPICAL VIDEO OUT (RTO)

UPDATE INPUT

SWITCHING BETWEEN

TWO INPUTS

1V/DIV10mV/DIV

01068-033

Figure 28. AD8109 Switching Transient (Glitch)

–60

–

80

–100

–120

–

130

–110

–90

–

70

–

50

OFF ISOLATION (dB)

FREQUENCY (Hz)

100k 10M

100M

500M

1M

–

40

–

140

V

OUT

= 2V p-p

R

L

= 150

Ω

01068-034

Figure 29. AD8109 Off Isolation, Input-Output

OUTPUT IMPEDANCE (Ω)

1k

100

10

1

0.1

FREQUENCY (Hz)

100k 10M 100M 500M

1M

01068-035

Figure 30. AD8109 Output Impedance, Enabled

Data Sheet AD8108/AD8109

Rev. C | Page 15 of 27

INPUT IMPEDANCE (Ω)

1M 500M

10M

100M100k

FREQUENCY (Hz)

30k

1M

100k

10k

1k

100

01068-036

Figure 31. AD8108 Input Impedance vs. Frequency

GAIN (dB)

–2

–4

–6

–8

0

6

4

2

8

FREQUENCY (Hz)

100M1M 10M30k 3G1G100k

V

IN

= 200mV

R

L

= 150Ω

C

L

= 18pF

C

L

= 12pF

01068-037

Figure 32. AD8108 Frequency Response vs. Capacitive Load

FLATNESS (dB)

–0.1

–0.2

–0.3

–0.4

0

0.3

0.2

0.1

0.4

0.5

FREQUENCY (Hz)

100M1M 10M30k

3G1G100k

–0.5

V

IN

= 200mV

R

L

= 150Ω

C

L

= 12pF

C

L

= 18pF

01068-038

Figure 33. AD8108 Flatness vs. Capacitive Load

1

0

50ns/DIV

1V/DIV2V/DIV

INPUT 0 AT

–

1V

V

OUT

INPUT 1 AT +1V

5

–

1

0

UPDATE

01068-039

Figure 34. AD8108 Switching Time

OFFSET VOLTAGE (V)

FREQUENCY

–0.020

900

800

500

400

200

0

700

600

300

100

–0.010

0.000 0.010

0.020

01068-040

Figure 35. AD8108 Offset Voltage Distribution

TEMPERATURE (°C)

V

OS

(mV)

–60

2.0

1.5

0.0

–1.0

–

2.0

1.0

0.5

–0.5

–1.5

–40 –20 0 20 40 60 80 100

01068-041

Figure 36. AD8108 Offset Voltage Drift vs. Temperature (Normalized at 25°C)

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27

AD8109ASTZ

Mfr. #:

Manufacturer:

Analog Devices Inc.

Description:

Analog & Digital Crosspoint ICs 325 MHz 8 x 8 Buffered

Lifecycle:

New from this manufacturer.

Delivery:

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Payment:

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