Operating temp......................................................." />
參數(shù)資料
型號: QT60168C-ASG
廠商: Atmel
文件頁數(shù): 17/28頁
文件大?。?/td> 0K
描述: IC TOUCH SENSOR 16KEY 32TQFP
標(biāo)準(zhǔn)包裝: 250
系列: QMatrix™, QProx™
類型: 電容性
輸入數(shù)/鍵: 16
分辨率(位): 9,11 b
評估套件: 可供
數(shù)據(jù)接口: 串行,SPI?
電源電壓: 3 V ~ 5 V
電流 - 電源: 25mA
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 32-TQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
包裝: 托盤
配用: 427-1087-ND - BOARD EVAL QT60248-AS QMATRIX
6 Specifications
6.1 Absolute Maximum Electrical Specifications
Operating temp.................................................................... -40OC to +105OC
Storage temp...................................................................... -55OC to +125OC
VDD.................................................................................. -0.5 to +5.5V
Max continuous pin current, any control or drive pin............................................. ±10mA
Short circuit duration to ground, any pin........................................................ infinite
Short circuit duration to VDD, any pin........................................................... infinite
Voltage forced onto any pin.................................................. -0.6V to (Vdd + 0.6) Volts
Eeprom setups maximum writes.................................................. 100,000 write cycles
6.2 Recommended operating conditions
VDD................................................................................ +3.0V to 5.25V
Supply ripple+noise................................................................... 5mV p-p max
Cx transverse load capacitance per key..................................................... 0 to 20pF
6.3 DC Specifications
Vdd = 5.0V, Cs = 4.7nF, Rs = 470K; Ta = recommended range, unless otherwise noted
k
80
30
Internal /RST pullup resistor
Rrst
DRDY, /SS pins
k
50
20
Internal pullup resistors
Rp
bits
11
9
Acquisition resolution
Ar
A
±1
Input leakage current
Iil
1mA source
V
Vdd-0.7
High output voltage
Voh
4mA sink
V
0.6
Low output voltage
Vol
V
2.2
High input logic level
Vhl
V
0.8
Low input logic level
Vil
V
2.9
2.7
Vdd internal reset voltage
Vr
Excluding external components
mA
25
Supply current, running
Iddr
Notes
Units
Max
Typ
Min
Description
Parameter
6.4 Timing Specifications
Max guaranteed is a min of 1.5MHz
MHz
1.5
SPI Clock rate
Fck
SPI parameter controlled by host
ns
667
CLK period
S9
SPI parameter controlled by host
ns
333
CLK high pulse width
S8
SPI parameter controlled by host
ns
333
CLK low pulse width
S7
SPI parameter controlled by QT
s
1
DRDY low pulse width
S6
SPI parameter controlled by QT
s
40
/SS to falling DRDY
S5
SPI parameter controlled by QT
ns
20
/SS to 3-state MISO
S4
SPI parameter controlled by host
ns
25
Last
CLK to
/SS
S3
SPI parameter controlled by QT
ns
20
CLK to valid MISO
S2
SPI parameter controlled by host
ns
333
/SS to first
CLK edge
S1
%
±8
Burst modulation, percent
Fm
kHz
226
Burst center frequency
Fc
Adjustable parameter via Setups
s
3,000
500
Burst spacing
TBS
Notes
Units
Max
Typ
Min
Description
Parameter
lQ
24
QT60248-AS R4.02/0405
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