SMM150

Preliminary Information

Summit Microelectronics, Inc

2075 2.6 05/13/05

6

DC OPERATING CHARACTERISTICS (CONTINUED)

(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)

Symbol

Parameter

Notes

Min.

Typ.

Max

Unit

VREF=1.25V

1.24

1.25

1.26

VREF

VREF Internal Reference

VREF=0.5V

0.496

0.500

0.504

V

Margin Accuracy

-1.0

+1.0

%

AC OPERATING CHARACTERISTICS

(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)

Symbol

Parameter

Notes

Min.

Typ.

Max

Unit

Monitor sampling/conversion

period

Update period for ADC

conversion and DAC

update

1.8

ms

Margin single bit increment or

decrement time

X=step number of possible 256

and 1 step=5mV

1.8

ms

0

µs

15

µs

40

µs

Programmable glitch filter times

120

µs

2.5

ms

5

ms

10

ms

Programmable Margin Delay Times

Note 1 – See Figure 4

17.5

ms