參數(shù)資料
型號(hào)： MAX1233-MAX1234
廠商： Maxim Integrated Products, Inc.
英文描述： 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
中文描述： 【15kV ESD保護(hù)觸摸屏控制器包括DAC和鍵盤控制器
文件頁(yè)數(shù)： 14/44頁(yè)
文件大?。?/td> 706K
代理商： MAX1233-MAX1234
M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
14
______________________________________________________________________________________
Analog Input Protection
Internal protection diodes that clamp the analog input
to AV
DD
and GND allow the analog input pins to swing
from GND - 0.3V to AV
DD
+ 0.3V without damage.
Analog inputs must not exceed AV
DD
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
V
BAT1
AUX1
AUX2
GND
2.5V/1.0V
REFERENCE
REF ON/OFF
X+
X-
TEMP2
Y+
Y-
7.5k
2.5k
V
BAT2
7.5k
TEMP1
BATTERY
ON
2.5k
BATTERY
ON
+AV
DD
V
REF
MAX1233
MAX1234
Figure 3. Simplified Diagram of Analog Input Section
相關(guān)PDF資料
PDF描述
MAX1233 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
MAX1233EGI 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
MAX1234EGI 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
MAX1239LEEE 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1234EGI 功能描述:觸摸屏轉(zhuǎn)換器和控制器 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
MAX1234EGI+ 制造商:Maxim Integrated Products 功能描述:TOUCH SCREEN CONTROLLER 28-PIN QFN EP - Rail/Tube
MAX1234EGI-T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 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
MAX1234ETI+ 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
MAX1234ETI+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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