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参数资料
| 型号： | MAX1234EGI |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, QCC28 |
| 封装： | 5 X 5 MM, 0.80 MM HEIGHT, QFN-28 |
| 文件页数： | 14/44页 |
| 文件大小： | 706K |
| 代理商： | MAX1234EGI |
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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
相关PDF资料 |
PDF描述 |
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| MAX1239MEEE | Circular Connector; No. of Contacts:128; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:25-35 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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:触摸屏转换器和控制器 RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234ETI+ | 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234ETI+T | 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234EVC16 | 功能描述:数据转换 IC 开发工具 MAX1233/34 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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