K11P121M50SF4 Datasheet, PDF (44/59 Pages) Freescale Semiconductor, Inc – K11 Sub-Family Data Sheet

Peripheral operating requirements and behaviors
Table 30. VREF full-range operating behaviors
Symbol
V_out
V_out
V_out
V_step
V_tdrift
I_bg
ΔV_LOAD
Description
Voltage reference output with factory trim at
nominal V_DDA and temperature=25C
Voltage reference output — factory trim
Voltage reference output — user trim
Voltage reference trim step
Temperature drift (Vmax -Vmin across the full
temperature range)
Bandgap only current
Load regulation
• current = ± 1.0 mA
Min.
1.1915
1.1584
1.193
—
—
—
Typ.
1.195
—
—
0.5
—
—
Max.
1.1977
1.2376
1.197
—
80
80
—
200
—
Unit
V
V
V
mV
mV
µA
µV
Notes
1
1, 2
T_stup Buffer startup time
—
—
100
µs
V_vdrift Voltage drift (Vmax -Vmin across the full voltage
—
2
—
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 31. VREF limited-range operating requirements
Symbol Description
T_A
Temperature
Min.
0
Max.
50
Unit
Notes
°C
Table 32. VREF limited-range operating behaviors
Symbol Description
V_out
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
K11 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.
44
Freescale Semiconductor, Inc.