SMM150ER02 データシートの表示（PDF） - Summit Microelectronics

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SMM150ER02

Single-Channel Supply Voltage Marginer/Monitor

Summit Microelectronics 

SMM150

Preliminary Information

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

VREF Internal Reference

VREF=1.25V

VREF=0.5V

1.24 1.25 1.26

0.496 0.500 0.504

V

MARGACC Margin Accuracy

-1.0 ±0.75 +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

tADC_DAC period

Update period for ADC

conversion and DAC

update

1.8

ms

tMARG_I/D

Margin single bit increment or

decrement time

TMARG_UPDATE = (X)(1.8ms) where:

X=step number of possible 256

and 1 step=5mV

1.8

ms

0

µs

tGLITCH Programmable glitch filter times

15

µs

40

µs

120

µs

2.5

ms

tMARGIN Programmable Margin Delay Times

Note 1 – See Figure 4

5

ms

10

ms

17.5

ms

Summit Microelectronics, Inc

2075 2.6 05/13/05

6

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