th July 2011 58 www.semtech.com SX8657/SX8658 Haptics " />
參數(shù)資料
型號(hào): SX8658IWLTRT
廠商: Semtech
文件頁數(shù): 54/61頁
文件大?。?/td> 0K
描述: IC TOUCH SCREEN 12BIT 20QFN
標(biāo)準(zhǔn)包裝: 1
類型: 電阻式,觸感驅(qū)動(dòng)器
觸摸面板接口: 4,5 線
輸入數(shù)/鍵: 1 TSC,雨刷,鑰匙
分辨率(位): 12 b
評(píng)估套件: *
數(shù)據(jù)接口: I²C,串行
電壓基準(zhǔn): 內(nèi)部
電源電壓: 2.3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: SX8658IWLDKR
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 25
th July 2011
58
www.semtech.com
SX8657/SX8658
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
13 APPLICATION INFORMATION
13.1
Typical Application Circuit
Figure 55 – Typical Application Circuit
13.2
External Components Recommended Values
Symbol
Description
Note
Min
Typ.
Max
Unit
CVDD
Main supply decoupling capacitor
-
1
-
uF
CMVDD
Motor supply decoupling capacitor
-
10
-
uF
CVREG
Regulator decoupling capacitor
+/- 20%, ESR<1
-
100
-
nF
RPULL
Host interface pull-ups
+/- 50%
-
10
-
k
CTB
Proximity sensor-to-shield
capacitance
-
<0.7
1.5
nF
RXY
Proximity sensor serial resistor
-
<1
1.5
k
RMOT
Motor resistance
-
7.5
-
CMOUT
Motor output capacitor
-
1
-
uF
Table 52 : External Components Recommended Values
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