參數資料
型號： MK50N512CLQ100
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, LQFP-144
文件頁數： 59/73頁
文件大小： 1819K
代理商： MK50N512CLQ100
Table 49. TSI electrical specifications (continued)
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
CREF
Internal reference capacitor
TBD
1
TBD
pF
VDELTA
Oscillator delta voltage
TBD
600
TBD
mV
IREF
Reference oscillator current source base current
TBD
1
TBD
μA
IELE
Electrode oscillator current source base current
TBD
1
TBD
μA
Pres5
Electrode capacitance measurement precision
—
TBD
%
Pres20
Electrode capacitance measurement precision
—
TBD
%
Pres100
Electrode capacitance measurement precision
—
TBD
%
MaxSens2
0
Maximum sensitivity @ 20 pF electrode
0.003
0.25
—
fF/count
MaxSens Maximum sensitivity
0.003
—
fF/count
Res
Resolution
—
16
bits
TCon20
Response time @ 20 pF
8
15
25
μs
ITSI_RUN
Current added in run mode
—
TBD
—
μA
ITSI_LP
Low power mode current adder
—
1
TBD
μA
1. The TSI module is functional with capacitance values outside this range. However, optimal performance is not guaranteed.
2. The programmable current source value is generated by multiplying the SCANC[REFCHRG] value and the base current.
3. Measured with a 5 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 8; Iext = 16.
4. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 2; Iext = 16.
5. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 16, NSCN = 3; Iext = 16.
6. Measured with a 20 pF electrode, reference oscillator frequency of ~5 MHz (IREF = 5 μA, REFCHRG = 4), PS = 128,
NSCN = 2; Iext = 16 (EXTCHRG = 15).
7. Typical value depends on the configuration used.
8. Time to do one complete measurement of the electrode. Sensitivity resolution of 0.0133 pF, PS = 0, NSCN = 0, 1
electrode, DELVOL = 2, EXTCHRG = 15.
7 Dimensions
7.1 Obtaining package dimensions
Package dimensions are provided in package drawings.
To find a package drawing, go to http://www.freescale.com and perform a keyword
search for the drawing’s document number:
If you want the drawing for this package
Then use this document number
144-pin LQFP
98ASS23177W
144-pin MAPBGA
98ASA00222D
Dimensions
K50 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
62
Preliminary
Freescale Semiconductor, Inc.
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