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| 型号： | MAX11801ETC/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 30/59页 |
| 文件大小： | 0K |
| 描述： | IC TOUCH SCREEN CTRLR LP 12WQFN |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 类型： | 电阻 |
| 触摸面板接口： | 4 线 |
| 输入数/键： | 1 TSC |
| 分辨率（位）： | 12 b |
| 评估套件： | 可供 |
| 数据接口： | I²C，串行 |
| 数据速率/采样率 (SPS，BPS)： | 105k |
| 电源电压： | 1.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WQFN 裸露焊盘 |
| 供应商设备封装： | 12-TQFN-EP（4x4） |
| 包装： | 管件 |
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MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
36
______________________________________________________________________________________
04
8
12
16
20
4
8
12
16
6
7
24
INTERRUPT TIMING WAVEFORM 1 (ASSUMING FREQUENT SERVICING EVENTS WITH APERTURE MODE ENABLED)
PANEL TOUCH SPATIAL WAVEFORM
ONE DRAG EVENT (1:5)
AND ONE PRESS EVENT (6:7)
INTERRUPT TIMING WAVEFORM 3 (ASSUMING INFREQUENT SERVICING EVENTS)
NOTE: POSITION 5 IS LOGGED EVEN THOUGH POSITION 5 APPEARS IN APER4 BECAUSE POSITION 5 IS A RELEASE DATA POINT.
IT IS THE SAME FOR POSITION 7. IF THE POSITION 6 TOUCH EVENT INITIATES WITHIN THE FINAL APERTURE FROM THE
PREVIOUS EVENT (APER4), POSITION 6 IS LOGGED AS AN INITIAL TOUCH EVENT.
(1) IRQ ISSUED
(SERVICED) IRQ RELEASED
INTERRUPT TIMING WAVEFORM 2 (ASSUMING FREQUENT SERVICING EVENTS WITH APERTURE MODE DISABLED)
1
2
3
45
7
6
1
2
34
5
7
6
1
2
4
5
3
INITIAL
TOUCH
INITIAL
RELEASE
SECOND
RELEASE
SECOND
TOUCH
DRAG
APER6
APER4
APER3
APER2
APER1
TIRQ
Figure 16. Aperture Usage Example Waveforms—MAX11800/MAX11801
When the MAX11800/MAX11801 operate in autonomous
conversion mode with low or no aperture ranges, the
FIFO and interrupt activity occur frequently with the AP
servicing the devices frequently to avoid loss of data
due to limited FIFO depth. For this reason, do not per-
form autonomous conversion for applications where a
high resolution in either space or time is required. Use
direct conversion mode when requiring a high resolu-
tion in either space or time.
Examples of Using Aperture Mode
Figure 16 shows an example of a touch sequence. A
dragged touch sequence is initiated at position 1 and
continues through to position 5. While multiple samples
are taken during this sequence, only those samples
that meet aperture requirements are enumerated and
are shown with the corresponding aperture ranges.
Positions 6 and 7 show a subsequent momentary press
event.
Figure 16 shows the anticipated interrupt waveforms in
several operating modes. The first waveform shows
interrupt operation assuming that aperture mode is
enabled (with
ΔX = ΔY = 4 LSBs), assuming that the AP
service interrupts at a frequency faster than the select-
ed TSC sample rate. Each qualifying sample induces a
FIFO event and an interrupt pulse as shown. Timing
between FIFO events can be timed by the AP to deter-
mine duration information. Table 14 shows the read-
back data assuming that the FIFO does not fill up.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11801EVKIT+ | 功能描述:数据转换 IC 开发工具 MAX11801 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX11801EWC+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX11801EWC+T | 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX11801GTC/V+ | 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX11801GTC/V+T | 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
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