參數資料
型號: MAX1234ETI+T
廠商: Maxim Integrated Products
文件頁數: 33/44頁
文件大小: 0K
描述: IC CNTRLR TOUCH 28-TQFN
其它有關文件: Automotive Product Guide
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
類型: 電阻
觸摸面板接口: 4 線
輸入數/鍵: 1,4 x 4 小鍵盤
分辨率(位): 8,10,12 b
數據接口: MICROWIRE?,QSPI?,串行,SPI?
數據速率/采樣率 (SPS,BPS): 50k
電壓基準: 內部
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
供應商設備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
39
YES
SCREEN
TOUCH
START CLOCK
HOST WRITES
ADC
CONTROL REGISTER
NO
POWER UP ADC
YES
SET
PENIRQ LOW
ARE THERE
UNREAD SCAN
RESULTS?
NO
CONVERT X- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE?
YES
NO
STORE X- COORDINATES
IN X- REGISTER
POWER DOWN ADC
IS DATA
AVERAGING DONE?
TURN ON DRIVERS: Y+, X-
TURN ON DRIVERS: X+, X-
YES
NO
POWER UP ADC
CONVERT Y- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE?
YES
NO
STORE Y- COORDINATES IN
Y- REGISTER
POWER DOWN ADC
IS DATA
AVERAGING DONE?
YES
NO
POWER UP ADC
CONVERT Z1- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE?
YES
NO
IS DATA
AVERAGING DONE?
IS PENSTS
BIT = 1?
SET BUSY LOW
TURN ON DRIVERS: Y+, Y-
DONE
TURN OFF CLOCK
SET BUSY HIGH
STORE Z1- COORDINATES
IN Z1- REGISTER
YES
NO
IS DATA
AVERAGING DONE?
CONVERT Z2- COORDINATES
STORE Z2- COORDINATES
IIN Z2- REGISTER
RESET PENIRQ HIGH
HOST-INITIATED
X-, Y-, AND Z- SCREEN SCAN
POWER DOWN ADC
GO TO
TOUCH-INITIATED
SCAN
(FIGURE 22)
YES
Figure 24. Host-Initiated X-, Y-, and Z- Coordinate Screen Scan
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MAX1236EUA 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1236EUA+ 功能描述:模數轉換器 - ADC 12-Bit 4Ch 94.4ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1236EUA+T 功能描述:模數轉換器 - ADC 12-Bit 4Ch 94.4ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32