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QT1101-IS48G 参数 Datasheet PDF下载

QT1101-IS48G图片预览
型号: QT1101-IS48G
PDF下载: 下载PDF文件 查看货源
内容描述: 10键的QTouch传感器IC [10 KEY QTOUCH SENSOR IC]
分类和应用: 传感器
文件页数/大小: 16 页 / 234 K
品牌: QUANTUM [ QUANTUM RESEARCH GROUP ]
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lQ
"
Patented charge-transfer (‘QT’) design
"
Ten independent QT sensing fields (keys)
"
2.8V ~ 5.5V single supply operation
"
40µA current typ @ 3V in 360ms LP mode
"
100% autocal for life - no adjustments required
"
Serial one or two wire interface with auto baud rate
"
Fully debounced results
"
Patented AKS™ Adjacent Key Suppression
"
Spread spectrum bursts for superior noise rejection
"
Sync pin for excellent LF noise rejection
"
‘Fast mode’ for use in slider type applications
"
RoHS compliant 32-QFN, 48-SSOP packages
SNS8
SNS8K
SNS9
SNS9K
N.C.
/CHANGE
1W
RX
25
26
27
28
29
30
31
32
QT1101
10 K
EY
QT
OUCH
™ S
ENSOR
IC
SYNC/LP
DETECT
SNS7K
SNS6K
SNS5K
SNS7
SNS6
VSS
24 23 22 21 20 19 18 17
16
15
14
SNS5
SNS4K
SNS4
SNS3K
SNS3
SNS2K
SNS2
SNS1K
QT1101
32-QFN
13
12
11
10
9
1
SS
2
/RST
3
VDD
4
OSC
5
N.C.
6
SNS0
7
SNS0K
8
SNS1
APPLICATIONS
!
!
MP3 players
Mobile phones
!
!
PC peripherals
Television controls
!
!
Pointing devices
Remote controls
QT1101 charge-transfer (‘QT’) QTouch
TM
IC is a self-contained, patented digital controller capable of detecting near-proximity or touch
on up to ten electrodes. It allows electrodes to project independent sense fields through any dielectric such as glass or plastic. This
capability coupled with its continuous self-calibration feature can lead to entirely new product concepts, adding high value to product
designs. The devices are designed specifically for human interfaces, like control panels, appliances, gaming devices, lighting controls,
or anywhere a mechanical switch or button may be found; they may also be used for some material sensing and control applications.
Each of the channels operates independently of the others, and each can be tuned for a unique sensitivity level by simply changing a
corresponding external Cs capacitor.
Patented AKS™ Adjacent Key Suppression suppresses touch from weaker responding keys and allows only a dominant key to detect,
for example to solve the problem of large fingers on tightly spaced keys.
Spread spectrum burst technology provides superior noise rejection. These devices also have a SYNC/LP pin which allows for
synchronization with additional similar parts and/or to an external source to suppress interference, or, an LP (low power) mode which
conserves power.
By using the charge transfer principle, this device delivers a level of performance clearly superior to older technologies yet is highly
cost-effective.
T
A
-40 C to +85 C
0
0
AVAILABLE OPTIONS
32-QFN
QT1101-ISG
48-SSOP
QT1101-IS48G
LQ
C
Copyright © 2005-2006 QRG Ltd
QT1101 R4.06/0806