ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 6. Dynamic Electrical Characteristics
Characteristics noted under conditions 3.1 V ≤ BATT ≤ 4.65 V, -40 ≤ TA ≤ 85 °C, GND = 0 V, unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25 °C under nominal conditions unless otherwise noted.
Characteristic
32 KHZ CRYSTAL OSCILLATOR
Symbol
Min
Typ
Max
Unit
RTC oscillator start-up time
Upon application of power
tRTCST
Sec
ns
-
-
1.0
CLK32K Rise and Fall Time - CL = 50 pF
CLK32KDRV[1:0] = 00 (default)
CLK32KDRV[1:0] = 01
tCLK32KET
-
-
-
-
22
11
-
-
-
-
CLK32KDRV[1:0] = 10
High Z
44
CLK32KDRV[1:0] = 11
CLK32KMCU Rise and Fall Time
CL = 12 pF
tCLK32KMCUET
ns
%
-
22
-
-
CLK32K and CLK32KMCU Output Duty Cycle
Crystal on XTAL1, XTAL2 pins
tCLK32KDC
,
tCLK32KMCUDC
45
55
CLK AND MISO
MISO Rise and Fall Time, CL = 50 pF, SPIVCC = 1.8 V
SPIDRV [1:0] = 00 (default)
SPIDRV [1:0] = 01
tMISOET
ns
-
-
-
-
11
6.0
-
-
-
-
SPIDRV [1:0] = 10
High Z
22
SPIDRV [1:0] = 11
BUCK CONVERTERS
Turn-on Time, Enable to 90% of end value, IL = 0
SWBST
tONPWM
-
-
-
-
500
2.0
µs
Turn-on Time
tONBST
ms
Enable to 90% of VOUT, IL = 0
Transient Load Response, IL from 1.0 mA to 100 mA in 1.0 µs steps
Maximum transient Amplitude
ATMAX
-
-
-
-
300
500
mV
µs
Time to settle 80% of transient
Transient Load Response, IL from 100 mA to 1.0 mA
Maximum transient Amplitude
ATMAX
-
-
-
-
300
20
mV
µs
Time to settle 80% of transient
VVIDEO ACTIVE MODE - AC
PSRR - IL = 75% of ILMAX, 20 Hz to 20 kHz
VIN = VINMIN + 100 mV
VVIDEOPSSR
VVIDEOON
dB
35
50
40
60
-
-
VIN = VNOM + 1.0 V
Max Output Noise - VIN = VINMIN, IL = 75% of ILMAX
100 Hz – 1.0 kHz
dBV/√Hz
-
-
-
-114
-124
-129
-
-
-
>1.0 kHz – 10 kHz
>10 kHz – 1.0 MHz
Turn-on Time
VVIDEOtON
ms
Enable to 90% of end value, VIN = VINMIN, VINMAX, IL = 0
-
-
1.0
13892
Analog Integrated Circuit Device Data
Freescale Semiconductor
25
FREESCALE [ Freescale ]
