IQS128EV04 S Azoteq, IQS128EV04 S Datasheet - Page 5

• Manufacturer Part Number: IQS128EV04 S
• Description: Touch Sensor Development Tools Long range IQS128 proximity kit
• Manufacturer: Azoteq

Specifications of IQS128EV04 S

• Tool Is For Evaluation Of: IQS128
• Interface Type: LED
• Operating Voltage: 2.95 V to 5.5 V

2 Pin-Out
The IQS128 is available in a TSOT23-6 package and the IQS128L is available in a DFN8(2x3)
package.
2.1
2.1.1 Pin-out
1
2
3
4
5
6
2.1.2 Schematic
Copyright © Azoteq (Pty) Ltd 2011
All Rights Reserved
Pin
Note: A 100pF capacitor can be places in parallel with
the existing capacitors between VDDHI and GND as
well as between VREG and GND for added RF
immunity.
VDDHI
OUT
VSS
CTRL / ND
VREG
VDDHI
CX
IQS128
C
Name
VDDHI
GND
VDDHI
VSS
IQS128
CTRL/ND
Digital Out
Ground
Digital Input/Output
Analogue Output
Supply Input
Analogue
VREG
OUT
CX
IQ Switch
Type
CTRL / ND
VDDHI
Figure 2.1 Pin-out of IQS128 package
R
CX
R
C
PU
Table 2.1
VREG
GND
®
OUT
VSS
ProxSense
Input/Output
Output
Electrode
Sense
CTRL
IQS128 & IQS128LP Datasheet v2.4
1
Output
GND Reference
Control input or proximity output / ND pin
Internal Regulator Pin
Supply Voltage Input
Sense Electrode
2
3
IQS128
Pin-out description
®
Series
Figure 2.2 Typical application schematic of
* R
2.1.3
in active Low state.
6
5
4
C
R
R
C
Component
PU
VREG
CX
PU
VDDHI
CX
VDDHI
V REG
*
is only needed if device is setup
Function
Typical values
(Connect 1µF bypass capacitor)
IQS128
1uF
470
4.7 k (typical)
1uF
Value
(typical)
Page 5 of 33
April 2013