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K51P144M100SF2 Datasheet, PDF (53/74 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
Peripheral operating requirements and behaviors
Table 37. VREF full-range operating behaviors
Symbol
Vout
Vout
Vout
Vstep
Vdrift
Ac
Ibg
Itr
Tstup
DC
Description
Voltage reference output with factory trim at
nominal VDDA and temperature=25C
Voltage reference output with factory trim
Voltage reference output user trim
Voltage reference trim step
Temperature drift (Vmax -Vmin across the full
temperature range)
Aging coefficient
Bandgap only (MODE_LV = 00) current
Tight-regulation buffer (MODE_LV =10) current
Load regulation (MODE_LV = 10) current =
±1.0mA
Buffer startup time
Line regulation (power supply rejection)
Min.
TBD
TBD
1.198
—
—
—
—
—
—
—
—
–60
Typ.
1.2
—
—
0.5
—
—
—
—
—
—
—
—
Max.
TBD
Unit
Notes
V
TBD
1.202
—
20
TBD
TBD
1.1
TBD
V
V
mV
mV
ppm/year
µA
mA
V
See
Figure 21
100
µs
TBD
mV
TBD
dB
Symbol
TA
Table 38. VREF limited-range operating requirements
Description
Temperature
Min.
Max.
Unit
0
50
°C
Notes
Table 39. VREF limited-range operating behaviors
Symbol
Vout
Description
Voltage reference output with factory trim
Min.
Max.
Unit
TBD
TBD
V
Notes
TBD
Figure 21. Typical output vs.temperature
TBD
Figure 22. Typical output vs. VDD
6.7 Timers
See General switching specifications.
K51 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
53