CS7622

26

DS322PP1

1024

1X

2X

4X

8X

ADC OUTPUT

1024

Figure 18. Transfer Function of ADC with Fixed Gain Settings (assuming full scale level of 1.0 V)

INPUT

0.125

0.25

0.5

1.0

ADC OUTPUT

1X

INPUT (V)

1.0

1024

ADC OUTPUT

2X

INPUT (V)

1.0

0.5

1024

ADC OUTPUT

4X

INPUT (V)

1.0

1024

ADC OUTPUT

8X

INPUT (V)

1.0

0.5

0.25

0.5

0.125

0.25

FIXED GAIN = 001

FIXED GAIN = 000

FIXED GAIN = 011

FIXED GAIN = 100

FIXED GAIN = 010