Data Sheet

ADA4312-1

Rev. A | Page 7 of 12

100k

1

10

100

1k

10k

0.1

100

10

1

FREQUENCY (MHz)

50Ω

50Ω

Figure 10. Open-Loop Disabled Differential Output Impedance vs. Frequency

14

13

12

11

10

9

8

7

6

5

4

3

2

3.5

1.5

–0.5

–2.5

–2.0

2.5

0.5

–1.5

2.0

0

3.0

1.0

–1.0

–1.5

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

–0.5

–1.0

TIME (µs)

SD

OUTA

OUTB

Figure 11. Shutdown Enable/Disable with Differential OFDM Input

3.5

1.5

–0.5

–2.5

2.5

0.5

–1.5

1.25

0.75

0.25

–0.25

1.00

0.50

0

1.8

1.9

2.0

2.1

2.2

2.3

2.4

TIME (µs)

SD

AVERAGE GLITCH

Figure 12. Differential Output Enable Glitch, Normalized to 0 V

0

10

20

30

40

50

60

70

0

1000

2000

3000

4000

5000

6000

7000

8000

DRIVING 16dBm

INTO 40Ω

QUIESCENT

3.5

1.5

–0.5

–2.5

2.5

0.5

–1.5

–0.25

0

0.25

0.50

0.75

1.00

1.25

–1.5

–1.0

–0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

TIME (µs)

SD

AVERAGE GLITCH

Figure 14. Shutdown Enable/Disable Glitch, Normalized to 0 V,

Differential Input = 0 V

3.5

1.5

–0.5

–2.5

2.5

0.5

–1.5

1.25

0.75

0.25

–0.25

1.00

0.50

0

–2.0

–1.5

–1.0

–0.5

0

0.5

1.0

1.5

2.0

TIME (µs)

SD

AVERAGE GLITCH

Figure 15. Differential Output Disable Glitch, Normalized to 0 V