QT60486-AS Atmel, QT60486-AS Datasheet - Page 20

• Manufacturer Part Number: QT60486-AS
• Description: SENSOR IC MTRX TOUCH48KEY 44TQFP
• Manufacturer: Atmel
• Series: QMatrix™, QProx™r
• Type: Capacitiver

Specifications of QT60486-AS

• Rohs Status: RoHS non-compliant
• Number Of Inputs/keys: 48 Key
• Resolution (bits): 9, 11 b
• Data Interface: Serial, SPI™, UART
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 25mA
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Output Type: *
• Interface: *
• Input Type: *
• For Use With: 427-1088 - BOARD EVAL QT60486-AS QMATRIX

7 Specifications
7.1 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
Frequency of operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17MHz
Eeprom setups maximum writes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100,000 write cycles
7.2 Recommended operating conditions
V
Supply ripple+noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mV p-p max
Cx transverse load capacitance per key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 20pF
Fosc oscillator frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16MHz +/-2%
7.3 DC Specifications
Vdd = 5.0V, Cs = 4.7nF, Freq = 16MHz, Ta = recommended range, unless otherwise noted
lQ
Advanced information; subject to change
Parameter
DD
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 to +5.5V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4.75 to 5.25V
Idds
Iddr
Voh
Vhl
Vol
Rp
Vil
Ar
Iil
Supply current, running
Supply current, sleep
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Acquisition resolution
Pullup resistors
Description
DD
, any pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . infinite
Vdd-0.7
Min
2.2
35
Typ
20
20
9
Max
120
0.8
0.6
25
±1
11
kohms
Units
mA
bits
µA
µA
V
V
V
V
Not including external components
Not including external components
4mA sink
1mA source
DRDY, /SS pins
QT60486-AS 0.07/1103
Notes
O
O
C to +105
C to +125
O
O
C
C