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參數(shù)資料
| 型號： | MAX1233ETI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/44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)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 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： | 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 |
| 供應商設備封裝： | 28-TQFN-EP（5x5） |
| 包裝： | 管件 |
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MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(AVDD = DVDD = 3V (MAX1233) or 5V (MAX1234), external VREF = +2.5V (MAX1233), external VREF = +4.096V (MAX1234), fSCLK
10MHz (50% duty cycle), fSAMPLE = 20ksps, CLOAD = 50pF, 0.1F capacitor at REF, TA = +25°C, unless otherwise noted.)
ADC REFERENCE SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1233/34
toc27
AVDD (V)
SUPPLY
CURRENT
(μ
A)
4.7
4.2
3.7
3.2
600
650
700
750
550
2.7
5.2
REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
MAX1233/34
toc28
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
600
650
700
750
550
80
65
-25
-10
5
35
20
50
-40
PIN
NAME
FUNCTION
1DVDD
Positive Digital Supply Voltage, +2.7V to +3.6V for MAX1233, +4.75V to +5.25V for MAX1234. Bypass
with a 0.1F capacitor. Must be within 300mV of AVDD.
2AVDD
Positive Analog Supply Voltage, +2.7V to +3.6V for MAX1233, +4.75V to +5.25V for MAX1234.
Bypass with a 0.1F capacitor. Must be within 300mV of DVDD.
3*
X+
X+ Position Input
4*
Y+
Y+ Position Input
5*
X-
X- Position Input
6*
Y-
Y- Position Input
7
GND
Analog and Digital Ground
8*
BAT1
Battery Monitoring Input 1. Measures battery voltages up to 6V.
9*
BAT2
Battery Monitoring Input 2. Measures battery voltages up to 6V.
10*
AUX1
Auxiliary Analog Input 1 to ADC. Measures analog voltages from zero to VREF.
11*
AUX2
Auxiliary Analog Input 2 to ADC. Measures analog voltages from zero to VREF.
12
REF
Voltage Reference Output/Input. Reference voltage for analog-to-digital conversion. In internal
reference mode, the reference buffer provides a 2.5V or 1.0V nominal output. In external reference
mode, apply a reference voltage between 1.0V and AVDD. Bypass REF to GND with a 0.1F
capacitor in the external reference mode only.
13
DACOUT
DAC Voltage Output; 0.9
× AVDD Full Scale
14
R4
Keypad Row 4. Can be reconfigured as GPIO3.
15
R3
Keypad Row 3. Can be reconfigured as GPIO2.
16
R2
Keypad Row 2. Can be reconfigured as GPIO1.
17
R1
Keypad Row 1. Can be reconfigured as GPIO0.
18
C1
Keypad Column 1. Can be reconfigured as GPIO4.
Pin Description
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| MAX1253BEUE+T | IC ADC 12BIT W/REF 16-TSSOP |
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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