REV. A

ADM202/ADM203

–4–

–Typical Performance Characteristics

LOAD CURRENT – mA

0

–15

–10

–5

10

5

15

5

10

15

20

25

30

0

V+

V–

TPC 1. Charge Pump V+, V– vs. Current

CAPACITIVE LOAD – pF

0

500

1k

1.5k

2k

2.5k

3k

0

5

10

15

20

25

30

LOW-TO-HIGH SLEW RATE

HIGH-TO-LOW SLEW RATE

f = 10kHz

TPC 2. Transmitter Slew Rate vs. Load Capacitance

1

T

T

2

CH1 10.0V

–6.4V

LOADED SLEW RATE – 1nF

TPC 3. Transmitter Fully Loaded Slew Rate

4.5

5.0

5.5

4.0

–15

–10

–5

10

5

15

0

Tx O/P HI

Tx O/P HI LOADED

Tx O/P LO LOADED

Tx O/P LO

LOAD CURRENT – mA

0

2

4

68

10

14

0

12

–15

–10

–5

10

5

15

Tx O/P HI

Tx O/P LO

TPC 5. Transmitter Output Voltage vs. Current

1

T

2

CH1 10.0V

–6.4V

UNLOADED SLEW RATE

T

TPC 6. Transmitter Unloaded Slew Rate