QT60240-ISG Atmel, QT60240-ISG Datasheet - Page 23

• Manufacturer Part Number: QT60240-ISG
• Description: SENSOR IC MTRX TOUCH24KEY 32-QFN
• Manufacturer: Atmel
• Series: QMatrix™r
• Type: Capacitiver

Specifications of QT60240-ISG

• Number Of Inputs/keys: 24 Key
• Resolution (bits): 10 b
• Data Interface: I²C, Serial, SPI™
• Voltage Reference: External
• Voltage - Supply: 1.8V, 3.3V, 5V
• Current - Supply: 4.6mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-MLF®, QFN
• Output Type: *
• Interface: *
• Input Type: *
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 427-1126-2

7 Specifications
7.1 Absolute Maximum Electrical Specifications
Operating temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
Storage temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55
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
7.2 Recommended Operating Conditions
Vdd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +1.8V to 5.25V
Note: the devices will run at a minimum of 1.62V.
Supply ripple+noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5mV
Cx transverse load capacitance per key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 to 20pF
7.3 DC Specifications
Vdd = 5.0V, Cs = 4.7nF, Rs = 470K; Ta = recommended range, unless otherwise noted
7.4 Timing Specifications
lQ
Parameter
Parameter
Idds
Rrst
Iddr
Voh
Vhl
Vol
T
Fm
Vil
Fc
Ar
Iil
BS
Average supply current,
running
Average supply current,
sleeping
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Acquisition resolution
Internal /RST pullup resistor
Burst spacing
Burst center frequency
Burst modulation, percentage
Description
Description
0.6Vdd
Min
Min
4.2
Typ
1.02
2.34
4.60
Typ
270
380
490
600
155
±10
10
3
4
6
23
0.2Vdd
Max
Max
0.2
60
1
Units
Units
kHz
bits
mA
µA
µA
k✡
µs
%
V
V
V
V
Vdd = 1.8V
Vdd = 3.3V
Vdd = 5.0V
Vdd = 1.8V
Vdd = 3.3V
Vdd = 5.0V
1.8V <Vdd <5V
1.8V <Vdd <5V
BL = 16
BL = 32
BL = 48
BL = 64
QT60240-ISG R8.06/0906
Notes
Notes
O
C to +125
O
C to +85
O
O
C
C