th July 2011 11 www.semtech.com SX8657/SX8658 Haptics " />
參數(shù)資料
型號: SX8658IWLTRT
廠商: Semtech
文件頁數(shù): 3/61頁
文件大小: 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
11
www.semtech.com
SX8657/SX8658
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
3
TYPICAL OPERATING CHARACTERISTICS
Conditions as defined in §2.3, TA = +25°C, VDD=VDDM=3.3V unless otherwise specified.
IDD_OFF vs VDD vs TEMP
2.00E-07
2.20E-07
2.40E-07
2.60E-07
2.80E-07
3.00E-07
3.20E-07
3.40E-07
3.60E-07
3.80E-07
4.00E-07
2.3
2.5
2.7
2.9
3.1
3.3
3.5
VDD(V)
ID
D
(A
)
25°C
85°C
-40°C
IDD_WAIT vs VDD vs TOUCHRATE
0
1
2
3
4
5
6
7
8
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
VDD(V)
ID
D
(u
A
)
10cps
80cps
2000cps
5000cps
IDD_PROX vs SCANPERIOD vs SENSITIVITY
0
10
20
30
40
50
60
70
80
0
100
200
300
400
500
600
700
800
SCANPERIOD(m s)
ID
D
_
P
R
O
X
(u
A
)
0(Min)
5
7(Max)
IDD_HAPT vs VDD vs TEMP
0.0001
0.00011
0.00012
0.00013
0.00014
0.00015
0.00016
0.00017
0.00018
0.00019
0.0002
2.3
2.5
2.7
2.9
3.1
3.3
3.5
VDD(V)
ID
D
(A
)
25°C
85°C
-40°C
MIDD_OFF vs MVDD vs TEMP
0.00E+00
5.00E-09
1.00E-08
1.50E-08
2.00E-08
2.50E-08
3.00E-08
3.50E-08
4.00E-08
4.50E-08
5.00E-08
2.3
2.5
2.7
2.9
3.1
3.3
3.5
MVDD(V)
M
ID
D
(A
)
25°C
85°C
-40°C
MIDD_SQUELCH vs MVDD vs TEMP
5.00E-06
6.00E-06
7.00E-06
8.00E-06
9.00E-06
1.00E-05
2.3
2.5
2.7
2.9
3.1
3.3
3.5
MVDD(V)
ID
D
(A
)
25°C
85°C
-40°C
VERR vs GAIN vs MVDD
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
GAIN
VOFF(V)
2.3V
3.3V
3.6V
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