QT60248-ASG Atmel, QT60248-ASG Datasheet - Page 24
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QT60248-ASG
Manufacturer Part Number
QT60248-ASG
Description
IC SENSOR QMATRIX 24CHAN 32TQFP
Manufacturer
Atmel
Series
QMatrix™, QProx™r
Type
Capacitiver
Datasheet
1.QT60168-ASG.pdf
(28 pages)
Specifications of QT60248-ASG
Number Of Inputs/keys
24 Key
Resolution (bits)
9, 11 b
Data Interface
Serial, SPI™
Voltage - Supply
3 V ~ 5 V
Current - Supply
25mA
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
32-TQFP, 32-VQFP
Output Type
Logic
Interface
SPI
Input Type
Logic
Operating Supply Voltage
3 V to 5 V
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
For Use With
427-1087 - BOARD EVAL QT60248-AS QMATRIX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
427-1108
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
QT60248-ASG
Manufacturer:
ATMEL
Quantity:
101
Part Number:
QT60248-ASG
Manufacturer:
QUANTUM
Quantity:
20 000
6 Specifications
6.1 Absolute Maximum Electrical Specifications
Operating temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
Storage temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55
V
Max continuous pin current, any control or drive pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±10mA
Short circuit duration to ground, any pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . infinite
Short circuit duration to V
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
V
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
6.4 Timing Specifications
lQ
DD
DD
Parameter
Parameter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 to +5.5V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.0V to 5.25V
Rrst
Iddr
Voh
Fck
Vhl
Vol
T
Fm
Rp
S1
S2
S3
S4
S5
S6
S7
S8
S9
Vil
Fc
Vr
Ar
Iil
BS
Supply current, running
Vdd internal reset voltage
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Acquisition resolution
Internal pullup resistors
Internal /RST pullup resistor
Burst spacing
Burst center frequency
Burst modulation, percent
Last
DRDY low pulse width
CLK low pulse width
CLK high pulse width
CLK period
SPI Clock rate
/SS to first
CLK to valid MISO
/SS to 3-state MISO
/SS to falling DRDY
CLK to
Description
Description
DD
CLK edge
/SS
, any pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . infinite
Vdd-0.7
Min
Min
500
333
333
333
667
2.2
1.5
20
30
25
1
Typ
Typ
226
2.7
±8
9
24
3,000
Max
Max
2.9
0.8
0.6
25
±1
11
50
80
20
20
40
Units
Units
MHz
kHz
bits
mA
µA
k✡
k✡
µs
ns
ns
ns
ns
µs
µs
ns
ns
ns
%
V
V
V
V
V
Excluding external components
4mA sink
1mA source
DRDY, /SS pins
Adjustable parameter via Setups
SPI parameter controlled by host
SPI parameter controlled by QT
SPI parameter controlled by host
SPI parameter controlled by QT
SPI parameter controlled by QT
SPI parameter controlled by QT
SPI parameter controlled by host
SPI parameter controlled by host
SPI parameter controlled by host
Max guaranteed is a min of 1.5MHz
QT60248-AS R4.02/0405
Notes
Notes
O
O
C to +105
C to +125
O
O
C
C