MK20DN512VMC10 FREESCALE [Freescale Semiconductor, Inc], MK20DN512VMC10 Datasheet - Page 68
MK20DN512VMC10
Manufacturer Part Number
MK20DN512VMC10
Description
K20 Sub-Family
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MK20DN512VMC10.pdf
(75 pages)
- Current page: 68 of 75
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Dimensions
1. The TSI module is functional with capacitance values outside this range. However, optimal performance is not guaranteed.
2. Fixed external capacitance of 20 pF.
3. REFCHRG = 2, EXTCHRG=0.
4. REFCHRG = 0, EXTCHRG = 10.
5. V
6. The programmable current source value is generated by multiplying the SCANC[REFCHRG] value and the base current.
7. The programmable current source value is generated by multiplying the SCANC[EXTCHRG] value and the base current.
8. Measured with a 5 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 8; Iext = 16.
9. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 2; Iext = 16.
10. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 16, NSCN = 3; Iext = 16.
11. Sensitivity defines the minimum capacitance change when a single count from the TSI module changes. Sensitivity
12. Time to do one complete measurement of the electrode. Sensitivity resolution of 0.0133 pF, PS = 0, NSCN = 0, 1
13. REFCHRG=0, EXTCHRG=4, PS=7, NSCN=0F, LPSCNITV=F, LPO is selected (1 kHz), and fixed external capacitance of
7 Dimensions
7.1 Obtaining package dimensions
Package dimensions are provided in package drawings.
To find a package drawing, go to
search for the drawing’s document number:
8 Pinout
68
121-pin MAPBGA
depends on the configuration used. The documented values are provided as examples calculated for a specific
configuration of operating conditions using the following equation: (C
The typical value is calculated with the following configuration:
I
The minimum value is calculated with the following configuration:
I
The highest possible sensitivity is the minimum value because it represents the smallest possible capacitance that can be
measured by a single count.
electrode, EXTCHRG = 7.
20 pF. Data is captured with an average of 7 periods window.
ext
ext
DD
= 6 μA (EXTCHRG = 2), PS = 128, NSCN = 2, I
= 2 μA (EXTCHRG = 0), PS = 128, NSCN = 32, I
= 3.0 V.
If you want the drawing for this package
K20 Sub-Family Data Sheet, Rev. 1, 6/2012.
General Business Information
http://www.freescale.com
ref
Preliminary
ref
= 16 μA (REFCHRG = 7), C
= 32 μA (REFCHRG = 15), C
98ASA00344D
ref
* I
ext
Then use this document number
)/( I
ref
and perform a keyword
* PS * NSCN)
ref
ref
= 1.0 pF
= 0.5 pF
Freescale Semiconductor, Inc.
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