IQS550EV03 S Azoteq, IQS550EV03 S Datasheet - Page 37

• Manufacturer Part Number: IQS550EV03 S
• Description: Touch Sensor Development Tools Trackpad Demo for IQS550
• Manufacturer: Azoteq

Specifications of IQS550EV03 S

• Tool Is For Evaluation Of: IQS550
• Interface Type: I2C, SPI
• Operating Voltage: 1.65 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C

V
7 Electrical Characteristics
7.1 Absolute Maximum Ratings
Exceeding these maximum ratings may cause permanent damage to the device.
Copyright © Azoteq (Pty) Ltd
All Rights Reserved.
Symbol
∑
DD
Symbol
I
INJ(PIN)
V
I
INJ(P
1. If the ProxSense
2.
1.
2. When several inputs are submitted to a current injection, the maximum ΣI
I
I
- V
IN
VDD
VSS
I
IO
SS
IN)
function (Tx) as an alternate function, even if this alternate function is not specified
V
value. A positive injection is induced by V
V
value. A positive injection is induced by V
For true open-drain pads, there is no positive injection current, and the corresponding V
maximum must always be respected.
of the positive and negative injected currents (instantaneous values). These results are based on
characterization with ΣI
I
I
(1)
INJ(PIN)
INJ(PIN)
IN
IN
(1)
maximum cannot be respected, the injection current must be limited externally to the I
maximum cannot be respected, the injection current must be limited externally to the
Input voltage on transmit pins
Total injected current (sum of all I/O and control pins)
must never be exceeded. This is implicitly insured if V
must never be exceeded. This is implicitly insured if V
Receiver channel pins (Rx0A...Rx9B)
Output current sunk by any other I/O and control pin
Output current source by any I/Os and control pin
Input voltage on any pin
Total current into V
Total current out of V
®
(Tx0...Tx14))
External supply voltage
peripheral is on, no injection must be performed on any pin having the transmit
INJ(PIN)
Injected current on any pin
Rating
Table 7.1
Table 7.2
maximum current injection on four I/O port pins of the device.
ProxSense
Rating
DD
IQ Switch
SS
power line (source)
IN
IQS550 Trackpad Datasheet
ground line (sink)
(2)
>V
IN
Voltage Characteristics
Current Characteristics
>V
DD
®
DD
Revision 1.04
PXS off
while a negative is induced by V
Series
PXS
®
on
while a negative injection is induced by V
(2)
(1)
V
V
V –0.3
V
SS
SS
SS
SS
Min
-0.3
–0.3
–0.3
–0.3
(2)
IN
IN
maximum is respected. If
maximum is respected. If
V
V
INJ(PIN)
REG
REG
Max.
±25
-25
80
80
25
±5
Max
4.0
4.0
4.0
(-1.55)
(-1.55)
IN
is the absolute sum
<V
SS
November 2012
.
Page 37 of 50
Unit
mA
Unit
IN
V
IINJ(PIN)
INJ(PIN)
<V
SS
IN
.