ADM3202/ADM3222/ADM1385

Rev. E | Page 6 of 16

TYPICAL PERFORMANCE CHARACTERISTICS

LOAD CAPACITANCE (pF)

8

6

4

2

0

–2

–4

–6

–8

0

1200

200

400

600

800

1000

Figure 8. Transmitter Output Voltage High/Low vs.

Load Capacitance @ 460 kbps

8

2.7

2.9

3.1

3.3

3.5

Tx O/P HIGH

6

4

2

0

Tx O/P LOW

LOAD CURRENT (mA)

8

02468

6

4

2

0

–2

–4

–6

–8

10

12

Tx O/P LOW

Tx O/P HIGH

Figure 10. Transmitter Output Voltage Low/High vs. Load Current

LOAD CURRENT (mA)

8

02

468

V+

6

4

2

0

–2

–4

–6

–8

V–

10

12

Figure 11. Charge Pump V+, V− vs. Load Current

350

2.7

2.9

3.1

3.3

3.5

300

250

200

150

100

50

0

V+ (IMPEDANCE)

V– (IMPEDANCE)

LOAD CAPACITANCE (pF)

20

0

1000

2000

3000

18

16

14

12

10

2

0

8

6

4

Figure 13. Power Supply Current vs. Load Capacitance