參數(shù)資料
型號: SX8652IWLTRT
廠商: Semtech
文件頁數(shù): 28/29頁
文件大小: 0K
描述: IC TOUCH SCREEN CTRLR 14DFN
標(biāo)準(zhǔn)包裝: 1
類型: 電阻
觸摸面板接口: 4 線,5 線
輸入數(shù)/鍵: 2
分辨率(位): 12 b
數(shù)據(jù)接口: 串行,SPI?
數(shù)據(jù)速率/采樣率 (SPS,BPS): 74k
電壓基準(zhǔn): 內(nèi)部
電源電壓: 1.65 V ~ 3.7 V
電流 - 電源: 10mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-DFN
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: SX8652IWLDKR
Revision V1.7/October 2010
2010 Semtech Corp.
SX8652
www.semtech.com
Page 8
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Touchscreen Controller with SPI Interface
Startup
Power-up time
tpor
Time between rising edge VDD
and rising NIRQ
1
ms
ADC
Resolution
Ares
12
bits
Offset
Aoff
±1
LSB
Gain error
Age
At full scale
0.5
LSB
Differential Non Linearity
Adnl
±1
LSB
Integral Non Linearity
Ainl
±1.5
LSB
Resistors
X+, X-, Y+, Y- resistance
Rchn
Touch Pad Biasing Resistance
5
Ohm
Pen detect resistance
RPNDT_00
RPNDT = 0
100
kOhm
RPNDT_01
RPNDT = 1
200
kOhm
RPNDT_10
RPNDT = 2
50
kOhm
RPNDT_11
RPNDT = 3
25
kOhm
External components
recommendations
Capacitor between VDD, GND
Cvdd
Type 0402, tolerance +/-50%
0.1
uF
Parameter
Symbol
Conditions
Min.
Typ
Max
Unit
Table 5. Electrical Specifications
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