參數(shù)資料
型號(hào): MAX1234ETI+T
廠商: Maxim Integrated Products
文件頁數(shù): 5/44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: 2,500
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: 帶卷 (TR)
MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
13
REF
*X+
DACOUT
DOUT
KEYPAD CONTROLLER
AND GPIO
MUX
12-BIT
ADC
*X-
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
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
+AVDD
X+
SENSE
LINE
Figure 2. Touch-Screen Measurement
Table 1. Maximum Input Source
Impedance
ACQUISITION
TIME (s)
RESOLUTION
(BITS)
MAXIMUM RSOURCE FOR
COMPLETE SETTLING
DURING ACQUISITION (k
Ω)
1.5
8
2.6
1.5
10
2.0
1.5
12
1.5
5.0
8
23
5.0
10
19
5.0
12
15
95
8
560
95
10
470
95
12
400
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參數(shù)描述
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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
MAX1236EUA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 94.4ksps 5.5V Precision 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
MAX1236EUA+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 94.4ksps 5.5V Precision 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