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K20P81M100SF2_1109 Datasheet, PDF (55/75 Pages) Freescale Semiconductor, Inc – K20 Sub-Family Data Sheet | |||
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Peripheral operating requirements and behaviors
Table 35. VREF full-range operating behaviors
Symbol
Vout
Vout
Vstep
Vtdrift
Ibg
Itr
ÎVLOAD
Description
Voltage reference output with factory trim at
nominal VDDA and temperature=25C
Voltage reference output withâ factory trim
Voltage reference trim step
Temperature drift (Vmax -Vmin across the full
temperature range)
Bandgap only (MODE_LV = 00) current
Tight-regulation buffer (MODE_LV =10) current
Load regulation (MODE_LV = 10)
⢠current = + 1.0 mA
⢠current = - 1.0 mA
Min.
1.1965
1.1584
â
â
â
â
â
â
Typ.
1.2
â
0.5
â
â
â
Max.
1.2027
1.2376
â
80
80
1.1
2
â
5
â
Unit
V
V
mV
mV
µA
mA
mV
Notes
1
Tstup Buffer startup time
â
Vvdrift Voltage drift (Vmax -Vmin across the full voltage
â
range) (MODE_LV = 10, REGEN = 1)
â
100
µs
2
â
mV
1. Load regulation voltage is the difference between the VREF_OUT voltage with no load vs. voltage with defined load
Table 36. VREF limited-range operating requirements
Symbol
TA
Description
Temperature
Min.
0
Max.
50
Unit
Notes
°C
Table 37. VREF limited-range operating behaviors
Symbol
Vout
Description
Voltage reference output with factory trim
Min.
Max.
Unit
1.173
1.225
V
Notes
6.7 Timers
See General switching specifications.
6.8 Communication interfaces
K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
Freescale Semiconductor, Inc.
55
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