WM2637

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.0 July 99

6

TYPICAL PERFORMANCE GRAPHS

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

0

256

512

767

1023

Digital Code

5V = VDD, VREF = External, 2.048V, Speed = Fast mode, Load = 10k/100pF

Figure 2 Integral Non-Linearity

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0

1

2

3

4

5

6

7

8

9

10

ISINK- mA

Slow

Fast

VDD = 3V, V

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0

1

2

3

4

5

6

7

8

9

10

ISINK - mA

Slow

Fast

Figure 3 Sink Current VDD = 3V

Figure 4 Sink Current VDD = 5V

2.02

2.025

2.03

2.035

2.04

2.045

2.05

2.055

2.06

0

1

2

3

4

5

6

7

8

9

10

11

ISOURCE- mA

Slow

Fast

4.06

4.065

4.07

4.075

4.08

4.085

4.09

4.095

4.1

0

1

2

3

4

5

6

7

8

9

10

11

ISOURCE - mA

Slow

Fast

Figure 5 Source Current VDD = 3V

Figure 6 Source Current VDD = 5V