參數(shù)資料
型號： MAX1234ETI+
廠商： Maxim Integrated Products
文件頁數(shù)： 15/44頁
文件大?。?/td> 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
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)： 內(nèi)部
電源電壓： 4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-TQFN 裸露焊盤
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
22
______________________________________________________________________________________
A/D3
A/D2
A/D1
A/D0
FUNCTION
00
Configures the ADC reference as selected by RES [1:0] bits as shown in Table 13. No measurement
is performed.
0
1
Measures X/Y touch position and returns results to the X and Y data registers.
00
10
Measures X/Y touch position and Z1/ Z2 touch pressure and returns results to the X, Y, Z1, and Z2
data registers.
0
1
Measures X touch position and returns results to the X data register.
0
1
0
Measures Y touch position and returns results to the Y data register.
0
1
0
1
Measures Z1/Z2 touch pressure and returns results to the Z1 and Z2 data register.
0
1
0
Measures Battery Input 1 through a 4:1 divider and returns results to the BAT1 data register.
0
1
Measures Battery Input 2 through a 4:1 divider and returns results to the BAT2 data register.
1
0
Measures Auxiliary Input 1 and returns results to the AUX1 data register.
1
0
1
Measures Auxiliary Input 2 and returns results to the AUX2 data register.
1
0
1
0
Measures temperature (single ended) and returns results to the TEMP1 data register.
10
11
Measures Battery Input 1, Battery Input 2, Auxiliary Input 1, Auxiliary Input 2, and temperature
(differential), and returns results to the appropriate data registers.
1
0
Measures temperature (differential) and returns results to the TEMP1 and TEMP2 data registers.
1
0
1
Turns on Y+, Y- drivers. No measurement is performed.
1
0
Turns on X+, X- drivers. No measurement is performed.
1
Turns on Y+, X- drivers. No measurement is performed.
Table 7. ADC Scan Select (Touch Screen, Battery, Auxiliary Channels, and Temperature)
RES1
RES0
ADC
RESOLUTION
INTERNALLY TIMED
REFERENCE POWER-UP
DELAY* (s)
0
8 bit
31
0
1
8 bit
31
1
0
10 bit
37
1
12 bit
44
Table 8. ADC Resolution Control
*
Applicable only for temperature, battery, or auxiliary
measurements in auto power-up reference mode.
AVG1
AVG0
FUNCTION
0
No data averages (default)
0
1
4 data averages
1
0
8 data averages
1
16 data averages
Table 9. ADC Averaging Control
CNR1
CNR0
FUNCTION
00
3.5s/sample
(1.5s acquisition, 2s conversion)
01
3.5s/sample
(1.5s acquisition, 2s conversion)
10
10s/sample
(5s acquisition, 5s conversion)
11
100s/sample
(95s acquisition, 5s conversion)
Table 10. ADC Conversion Rate Control
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX1234EVKIT 制造商:Maxim Integrated Products 功能描述:+15KV ESD-PROTECTED TOUCH-SCREEN CO - Rail/Tube
MAX1236EUA 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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