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| 型號(hào)： | MXB7846EUE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CNTRLR TOUCH RES 16TSSOP |
| 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(lèi)型： | 溫度傳感器 |
| 輸入類(lèi)型： | 模擬 |
| 輸出類(lèi)型： | 數(shù)字 |
| 接口： | 4 線 |
| 電流 - 電源： | 950µA |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
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MXB7846
2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
________________________________________________________________
Maxim Integrated Products
1
Pin Configuration
19-2436; Rev 2; 1/08
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The MXB7846 is an industry-standard 4-wire touch-
screen controller. It contains a 12-bit sampling analog-
to-digital converter (ADC) with a synchronous serial
interface and low on-resistance switches for driving
resistive touch screens. The MXB7846 uses an internal
+2.5V reference or an external reference. The
MXB7846 can make absolute or ratiometric measure-
ments. In addition, this device has an on-chip tempera-
ture sensor, a battery-monitoring channel, and has the
ability to perform touch-pressure measurements without
external components. The MXB7846 has one auxiliary
ADC input. All analog inputs are fully ESD protected,
eliminating the need for external TransZorb devices.
The MXB7846 is guaranteed to operate with a supply
voltage down to +2.375V when used with an external
reference or +2.7V with an internal reference. In shut-
down mode, the typical power consumption is reduced
to under 0.5W, while the typical power consumption at
125ksps throughput and a +2.7V supply is 650W.
Low-power operation makes the MXB7846 ideal for bat-
tery-operated systems, such as personal digital assis-
tants with resistive touch screens and other portable
equipment. The MXB7846 is available in 16-pin QSOP
and TSSOP packages, and is guaranteed over the
-40°C to +85°C temperature range.
Applications
Personal Digital Assistants
Portable Instruments
Point-of-Sales Terminals
Pagers
Touch-Screen Monitors
Cellular Phones
Features
ESD-Protected ADC Inputs
±15kV IEC 61000-4-2 Air-Gap Discharge
±8kV IEC 61000-4-2 Contact Discharge
Pin Compatible with MXB7843
+2.375V to +5.25V Single Supply
Internal +2.5V Reference
Direct Battery Measurement (0 to 6V)
On-Chip Temperature Measurement
Touch-Pressure Measurement
4-Wire Touch-Screen Interface
Ratiometric Conversion
SPI/QSPI, 3-Wire Serial Interface
Programmable 8-/12-Bit Resolution
Auxiliary Analog Input
Automatic Shutdown Between Conversions
Low Power (External Reference)
270A at 125ksps
115A at 50ksps
25A at 10ksps
5A at 1ksps
2A Shutdown Current
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VDD
DCLK
CS
DIN
BUSY
DOUT
PENIRQ
VDD
REF
TOP VIEW
MXB7846
QSOP/TSSOP
X+
Y+
GND
X-
Y-
BAT
AUX
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MXB7846EEE
-40
°C to +85°C
16 QSOP
E16-6
MXB7846EUE
-40
°C to +85°C
16 TSSOP
U16-1
TRANSZORB is a trademark of Vishay Intertechnology, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
Typical Application Circuit appears at end of data sheet.
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| MXB7846EVC16 | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 MXB7846C16 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V |
| MXB7846EVKIT | 功能描述:開(kāi)發(fā)板和工具包 - 其他處理器 Programmers, Development Systems RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類(lèi)型:I2C, SPI, USB 工作電源電壓: |
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| MXB9733H12B-BSR | 制造商:Mechatronics Fan Group 功能描述: |
| MXB9733H24B-BSR | 制造商:Mechatronics Fan Group 功能描述: |
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