參數(shù)資料
型號： MAX1234EGI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 消費(fèi)家電
英文描述： 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC28
封裝： 5 X 5 MM, 0.80 MM HEIGHT, QFN-28
文件頁數(shù)： 13/44頁
文件大小： 706K
代理商： MAX1234EGI
M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
13
REF
*X+
*X-
DACOUT
DOUT
KEYPAD CONTROLLER
AND GPIO
MUX
12-BIT
ADC
OSCILLATOR
SERIAL
DATA
I/O
TEMP
SENSOR
INTERNAL
REFERENCE
2.5V/1.0V
REGISTERS AND
SCAN STATE
CONTROL
8-BIT
DAC
*Y+
*Y-
*BAT1
*BAT2
*AUX1
*AUX2
BATTERY MONITOR
BATTERY MONITOR
SCLK
DIN
C1
C2
C3
C4
R1
R2
R3
R4
X/Y SWITCHES
REF
DAC
CS
PENIRQ
KEYIRQ
BUSY
MAX1233
MAX1234
*ESD PROTECTED
Figure 1. Block Diagram
GND
FORCE LINE
SENSE LINE
FORCE LINE
Y-
Y+
+IN
+REF
-REF
-IN
+AV
DD
X+
SENSE
LINE
Figure 2. Touch-Screen Measurement
Table 1. Maximum Input Source
Impedance
ACQUISITION
TIME (μs)
RESOLUTION
(BITS)
MAXIMUM R
SOURCE
FOR
COMPLETE SETTLING
DURING ACQUISITION (k
)
1.5
1.5
1.5
5.0
5.0
5.0
95
95
95
8
10
12
8
10
12
8
10
12
2.6
2.0
1.5
23
19
15
560
470
400
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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: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
MAX1234EVC16 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1233/34 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
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