th July 2011 8 www.semtech.com SX8657/SX8658 Haptics E" />
參數(shù)資料
型號(hào)： SX8658IWLTRT
廠商： Semtech
文件頁(yè)數(shù)： 60/61頁(yè)
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
8
www.semtech.com
SX8657/SX8658
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
2
ELECTRICAL CHARACTERISTICS
2.1
Absolute Maximum Ratings
Stress above the limits listed in the following table may cause permanent failure. Exposure to absolute ratings for
extended time periods may affect device reliability. The limiting values are in accordance with the Absolute
Maximum Rating System (IEC 134). All voltages are referenced to ground (GND).
Symbol
Description
Conditions
Min
Max
Unit
VABS
Voltage applied on any pin
- 0.5
3.9
V
X+/BR, Y+/TR, X-/TL,
Y-/BL, VDD, MVDD
+/-15
(1), +/-8(2)
VESDHBM
Electrostatic handling
Human Body Model (HBM)
Other pins
+/-8
(2)
kV
X+/BR, Y+/TR, X-/TL,
Y-/BL, VDD, MVDD
+/-1
VESDCDM
Electrostatic handling
Charged Device Model (CDM)
Other pins
+/-1
kV
X+/BR, Y+/TR, X-/TL,
Y-/BL, VDD, MVDD
+/-250
VESDMM
Electrostatic handling
Machine Model (MM)
Other pins
+/-250
V
VESDCD
Electrostatic handling
Contact Discharge (CD)
X+/BR, Y+/TR, X-/TL,
Y-/BL, VDD, MVDD
+/-15
kV
TAMB
Operating ambient temperature
-40
+85
°C
TJUN
Operating junction temperature
-40
+125
°C
TSTOR
Storage temperature
-55
+150
°C
ILAT
Latch-up current
(3)
+/-100
mA
(1) Tested to TLP (10A)
(2) Tested to JEDEC standard JESD22-A114
(3) Tested to JEDEC standard JESD78
Table 2 - Absolute Maximum Ratings
2.2
Thermal Characteristics
Symbol
Description
Conditions
Min
Max
Unit
θJAQ
Thermal Resistance Junction – Ambient
QFN package
-
30.5
°C/W
θJAW
Thermal Resistance Junction – Ambient
WLCSP package
-
29
°C/W
Table 3 – Thermal Characteristics
2.3
Electrical Specifications
Table below applies to full supply voltage and temperature range, unless otherwise specified. Typical values are
given for TA = +25°C, VDD=VDDM=3.3V.
Symbol
Description
Conditions
Min
Typ.
Max
Unit
Supply
VDD
Main supply voltage
-
2.3
-
3.6
V
OFF
(MAN mode, no command,
HAPT OFF)
-
0.4
0.75
WAIT
(PENDET/TRG mode, pen up,
PROX OFF, HAPT OFF)
-
1.7
-
TOUCH1
(PENTRG mode, pen down, X+Y,
RATE=4kcps, Nfilt=1,
POWDLY=0.5us, touchscreen
current excluded, HAPT OFF,
VDD=2.3V)
-
30
-
IDD
Main supply current
TOUCH2
(PENTRG mode, pen down, X+Y,
RATE=3kcps, Nfilt=7,
POWDLY=0.5us, touchscreen
current excluded, HAPT OFF)
-
120
160
uA
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