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K20P120M100SF2 Datasheet, PDF (50/66 Pages) Freescale Semiconductor, Inc – K20 Data Sheet | |||
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Peripheral operating requirements and behaviors
Table 35. VREF full-range operating behaviors
Symbol
Vout
Vout
Vstep
Vtdrift
Vtdrift
Ibg
Ilp
Ihp
ÎVLOAD
Description
Voltage reference output with factory trim at
nominal VDDA and temperature=25C
Voltage reference output â factory trim
Voltage reference trim step
Temperature drift (Vmax -Vmin across the full
temperature range: 0 to 70°C)
Temperature drift (Vmax -Vmin across the full
temperature range: -40 to 85°C)
Bandgap only current
Low-power buffer current
High-power buffer current
Load regulation
⢠current = + 1.0 mA
⢠current = - 1.0 mA
Min.
1.1915
1.1584
â
â
â
â
â
â
Typ.
1.195
â
0.5
â
â
â
â
â
Max.
1.1977
1.2376
â
50
70
80
360
1
â
2
â
â
5
â
Unit
V
V
mV
mV
mV
µA
uA
mA
mV
Notes
1
1
1
1, 2
Tstup Buffer startup time
â
â
100
µs
Vvdrift Voltage drift (Vmax -Vmin across the full voltage
â
2
â
mV
1
range)
1. See the chip's Reference Manual for the appropriate settings of the VREF Status and Control register.
2. 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 Description
TA
Temperature
Min.
0
Max.
50
Unit
Notes
°C
Table 37. VREF limited-range operating behaviors
Symbol Description
Vout
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 Data Sheet Data Sheet, Rev. 6.1, 08/2012.
50
Freescale Semiconductor, Inc.
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