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参数资料
型号： MAX1233
厂商： 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保护触摸屏控制器，包含DAC及键盘控制器
文件页数： 33/44页
文件大小： 706K
代理商： MAX1233
M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
33
where:
V = V (I N) - V (I1) (in mV)
T(
°
K) = 2.68(
°
K/mV)
×
V(mV)
T(
°
C) = [2.68(
°
K/mV)
×
V(mV) - 273
°
K]
°
C/
°
K
This differential conversion method does not require a
test temperature calibration and can provide much
improved absolute temperature measurement. In the
differential conversion method, however, the resolution
is 1.6
°
C/LSB (2.5V reference) and 0.65
°
C/LSB (1V ref-
erence) with a typical accuracy of
±
3
°
C.
Figure
19
shows the differential temperature measurement-
process.
Note:
The bias current for each diode temperature
measurement is only turned ON during the acquisition
and, therefore, does not noticeably increase power
consumption.
TEMPERATURE INPUT 1
DONE
NO
IS DATA
AVERAGING DONE
STORE TEMPERATURE INPUT 1 IN
TEMP1 REGISTER
POWER DOWN
ADC
POWER UP
ADC
POWER UP REFERENCE
CONVERT
TEMPERATURE INPUT 1
POWER DOWN REFERENCE
TURN OFF CLOCK
HOST WRITES
ADC
CONTROL REGISTER
START CLOCK
IS ADC
REFERENCE IN
AUTO POWER-DOWN
MODE
NO
YES
SET BUSY
LOW
YES
SET BUSY HIGH
Figure 18. Single Temperature Measurement Process
TEMPERATURE INPUT 1
AND TEMPERATURE INPUT 2
DONE
NO
IS DATA
AVERAGING DONE
STORE TEMPERATURE INPUT 1 IN
TEMP1 REGISTER
POWER DOWN
ADC
POWER UP
ADC
POWER UP REFERENCE
CONVERT
TEMPERATURE INPUT 1
POWER DOWN REFERENCE
TURN OFF CLOCK
HOST WRITES
ADC
CONTROL REGISTER
START CLOCK
IS ADC
REFERENCE IN
AUTO POWER-DOWN
MODE
NO
YES
SET BUSY
LOW
YES
SET BUSY HIGH
NO
IS DATA
AVERAGING DONE
STORE TEMPERATURE INPUT 2 IN
TEMP2 REGISTER
CONVERT
TEMPERATURE INPUT 2
YES
Figure 19. Differential Temperature Measurement Process
相关PDF资料
PDF描述
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
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
相关代理商/技术参数
参数描述
MAX1233EGI 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
MAX1233EGI+ 制造商:Maxim Integrated Products 功能描述:
MAX1233EGI-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
MAX1233ETI+ 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
MAX1233ETI+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
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