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參數(shù)資料
| 型號(hào)： | MXB7846EUE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 2.375V to 5.25V, 4-Wire Touch-Screen Controller with Internal Reference and Temperature Sensor |
| 中文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | 4.40 MM, 0.65 MM PITCH, MO-153AC, TSSOP-16 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大小： | 967K |
| 代理商： | MXB7846EUE |
M
2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
4
_______________________________________________________________________________________
Note 1:
Tested at V
DD
= 2.7V.
Note 2:
Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has
been calibrated.
Note 3:
Offset nulled.
Note 4:
Conversion time is defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 5:
Resistance measured from the source to drain of the switch.
Note 6:
External load should not change during conversion for specified accuracy.
Note 7:
ADC performance is limited by the conversion noise floor, typically 300μV
P-P
. An external reference below 2.5V can com-
promise the ADC performance.
Note 8:
Difference between Temp0 and Temp1. No calibration necessary.
TIMING CHARACTERISTICS (Figure 1)
(V
DD
= 2.7V to 3.6V, V
REF
= 2.5V, f
DCLK
= 2MHz (50% duty cycle), f
SAMPLE
= 125kHz, 12-bit mode, 0.1μF capacitor at REF, T
A
=
T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS
(Figure 1)
Acquisition Time
DCLK Clock Period
DCLK Pulse Width High
DCLK Pulse Width Low
DIN-to-DCLK Setup Time
DIN-to-DCLK Hold Time
CS
Fall-to-DCLK Rise Setup Time
CS
Rise-to-DCLK Rise Ignore
DCLK Falling-to-DOUT Valid
CS
Rise-to-DOUT Disable
CS
Fall-to-DOUT Enable
DCLK Falling-to-BUSY Rising
CS
Falling-to-BUSY Enable
CS
Rise-to-BUSY Disable
t
ACQ
t
CP
t
CH
t
CL
t
DS
t
DH
t
CSS
t
CSH
t
DO
t
TR
t
DV
t
BD
t
BDV
t
BTR
1.5
500
200
200
100
0
100
0
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
LOAD
= 50pF
C
LOAD
= 50pF
C
LOAD
= 50pF
200
200
200
200
200
200
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| MXB7846EUE+ | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 2.375-5.25V 4-Wire Touch-Screen Ctlr 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 |
| MXB7846EUE+T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 2.375-5.25V 4-Wire Touch-Screen Ctlr 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 |
| MXB7846EUE-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 |
| MXB7846EVC16 | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MXB7846C16 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MXB7846EVKIT | 功能描述:開發(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 接口類型:I2C, SPI, USB 工作電源電壓: |
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