SMM151/152
AC OPERATING CHARACTERISTICS
TA= 0°C to +70°C, VDD = 2.7V to 5.5V unless otherwise noted. All voltages are relative to GND.
Symbol Parameter
Notes
Min. Typ.
tADC_DAC
Monitor sampling/conversion period
Update period for ADC
conversion and DAC update
1.8
tMARG_I/D
Margin single bit increment or
decrement time
tGLITCH_MU/D Margin Up/Down glitch filter
TMARG_UPDATE = (X)(1.8ms)
where:
X=step number of possible 256
1.8
steps and 1 step=10mV
70
100
0
10
20
40
Programmable COMP1 & COMP2
tGLITCH_COMP glitch filter times
80
100
120
140
2.5
5
tMARGIN
Programmable Margin Delay Times
See Figure 4
10
17.5
Max Unit
ms
ms
130 μs
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
Summit Microelectronics, Inc
2131 3.0 1/20/2010
8