參數(shù)資料
型號(hào): MAX1233ETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 6/44頁(yè)
文件大小: 0K
描述: IC CNTRLR TOUCH 28-TQFN
其它有關(guān)文件: Automotive Product Guide
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 60
類型: 電阻
觸摸面板接口: 4 線
輸入數(shù)/鍵: 1,4 x 4 小鍵盤(pán)
分辨率(位): 8,10,12 b
數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
數(shù)據(jù)速率/采樣率 (SPS,BPS): 50k
電壓基準(zhǔn): 外部,內(nèi)部
電源電壓: 2.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 管件
MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
14
______________________________________________________________________________________
Analog Input Protection
Internal protection diodes that clamp the analog input
to AVDD and GND allow the analog input pins to swing
from GND - 0.3V to AVDD + 0.3V without damage.
Analog inputs must not exceed AVDD by more than
50mV or be lower than GND by more than 50mV for
accurate conversions. If an off-channel analog input
voltage exceeds the supplies, limit the input current to
50mA. All analog inputs are also fully ESD protected
to ±8kV, using the Contact-Discharge method and
±15kV using the Air-Gap method specified in IEC-
1000-4-2.
Reference for ADC
Internal Reference
The MAX1233/MAX1234 offer an internal voltage refer-
ence for the ADC that can be set to +1.0V or +2.5V. The
MAX1233/MAX1234 typically use the internal reference
for battery monitoring, temperature measurement, and for
CONVERTER
-REF
+REF
+IN
-IN
VBAT1
AUX1
AUX2
GND
2.5V/1.0V
REFERENCE
REF ON/OFF
X+
X-
TEMP2
Y+
Y-
7.5k
Ω
2.5k
Ω
VBAT2
7.5k
Ω
TEMP1
BATTERY
ON
2.5k
Ω
BATTERY
ON
+AVDD
VREF
MAX1233
MAX1234
Figure 3. Simplified Diagram of Analog Input Section
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MAX1233ETI+ 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
MAX1233ETI+T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
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