參數(shù)資料
型號(hào)： MAX1233ETI+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 40/44頁(yè)
文件大小： 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)： 外部，內(nèi)部
電源電壓： 2.7 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-WFQFN 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
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(DVDD = AVDD = +2.7V to +3.6V (MAX1233), DVDD = AVDD = +4.75V to +5.25V (MAX1234), external reference VREF = 2.5V
(MAX1233), VREF = 4.096V (MAX1234); fSCLK = 10MHz, fSAMPLE = 50ksps, 12-bit mode, 0.1F capacitor at REF, TA = -40°C to
+85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Capacitance
CIN
15
pF
DIGITAL OUTPUT (DOUT)
ISINK = 2mA
0.4
Output Voltage Low
VOL
ISINK = 4mA
0.8
V
Output Voltage High
VOH
ISOURCE = 1.5mA
DVDD -
0.5
V
DIGITAL OUTPUT (
BUSY, PENIRQ, KEYIRQ, R_, C_)
Output Voltage Low
VOL
ISINK = 0.2mA
0.4
V
Output Voltage High
VOH
ISOURCE = 0.2mA
DVDD -
0.5
V
POWER REQUIREMENTS
MAX1233
2.7
3
3.6
Supply Voltage (Note 12)
AVDD /
DVDD
MAX1234
4.75
5
5.25
V
Idle; all blocks shut down
0.5
5
Only ADC on; fSAMPLE = 20ksps
150
500
Only DAC on; no load
150
230
Analog and Digital Supply
Current
IAVDD +
IDVDD
Only internal reference on
670
900
A
TIMING CHARACTERISTICS
SCLK Clock Period
tCP
100
ns
SCLK Pulse Width High
tCH
40
ns
SCLK Pulse Width Low
tCL
40
ns
DIN to SCLK Rise Setup
tDS
40
ns
SCLK Rise to DIN Hold
tDH
0ns
SCLK Fall to DOUT Valid
tDOV
CLOAD = 50pF
40
ns
CS Fall to DOUT Enabled
tDV
CLOAD = 50pF
45
ns
CS Rise to DOUT Disabled
tDOD
CLOAD = 50pF
40
ns
CS Fall to SCLK Rise
tCSS
40
ns
CS Fall to SCLK Ignored
tCSH
0ns
SCLK Rise to R_/C_ Data Valid
tGPO
CLOAD = 50pF (Note 13)
230
ns
CS Pulse Width High
tCSW
40
ns
Note 1:
Tested at DVDD = AVDD = +2.7V (MAX1233), DVDD = AVDD = +5V (MAX1234).
Note 2:
Relative accuracy is the deviation of the analog value at any code from its theoretical value after the offset and gain errors
have been removed.
Note 3:
Offset nulled.
Note 4:
Difference between TEMP1 and TEMP2; temperature in °K = (VTEMP2 - VTEMP1)
× 2680°K/V. No calibration is necessary.
Note 5:
Temperature coefficient is -2.1mV/°C. Determine absolute temperature by extrapolating from a calibrated value.
Note 6:
ADC performance is limited by the conversion noise floor, typically 300VP-P. An external reference below 2.5V can
compromise the ADC performance.
Note 7:
Guaranteed from code 5 to 255.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1233ETI+ 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
MAX1233ETI+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
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
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