參數(shù)資料
型號： ADS7843
元件分類： 通用總線功能
英文描述： CMOS 8-Stage Presettable 2-Decade BCD Synchronous Down Counter 16-TSSOP -55 to 125
中文描述： 觸摸屏控制器
文件頁數(shù)： 2/12頁
文件大小： 163K
代理商： ADS7843
2
ADS7843
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span
Absolute Input Range
Positive Input - Negative Input
Positive Input
Negative Input
0
V
REF
V
V
V
pF
μ
A
–0.2
–0.2
+V
CC
+0.2
Capacitance
Leakage Current
25
0.1
SYSTEM PERFORMANCE
Resolution
No Missing Codes
Integral Linearity Error
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Noise
Power Supply Rejection
12
Bits
Bits
LSB
(1)
LSB
LSB
LSB
LSB
μ
Vrms
dB
11
±
2
±
6
1.0
±
4
1.0
0.1
0.1
30
70
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughput Rate
Multiplexer Settling Time
Aperture Delay
Aperture Jitter
Channel-to-Channel Isolation
12
Clk Cycles
Clk Cycles
kHz
ns
ns
ps
dB
3
125
500
30
100
100
V
IN
= 2.5Vp-p at 50kHz
SWITCH DRIVERS
On-Resistance
Y+, X+
Y–, X–
5
6
REFERENCE INPUT
Range
Resistance
Input Current
1.0
+V
CC
V
CS = GND or +V
CC
5
13
2.5
0.001
G
μ
A
μ
A
μ
A
40
f
SAMPLE
= 12.5kHz
CC
3
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels, Except PENIRQ
V
IH
V
IL
V
OH
V
OL
PENIRQ
V
OL
Data Format
CMOS
| I
IH
|
≤
+5
μ
A
| I
IL
|
≤
+5
μ
A
I
OH
= –250
μ
A
I
OL
= 250
μ
A
+V
CC
0.7
–0.3
+V
CC
0.8
+V
CC
+0.3
+0.8
V
V
V
0.4
T
A
= 0
°
C to +85
°
C, 100k
Pull-Up
0.8
V
Straight Binary
POWER SUPPLY REQUIREMENTS
+V
CC
Quiescent Current
Specified Performance
2.7
3.6
650
V
μ
A
μ
A
μ
A
280
220
f
SAMPLE
= 12.5kHz
Shut Down Mode with
DCLK = DIN = +V
CC
+V
CC
= +2.7V
3
Power Dissipation
1.8
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
°
C
SPECIFICATIONS
At T
=–40
°
C to +85
°
C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, f
CLK
= 16 f
SAMPLE
= 2MHz, 12-bit mode, and digital inputs = GND or +V
CC
, unless
otherwise noted.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
ADS7843E
NOTE: (1) LSB means Least Significant Bit. With V
REF
equal to +2.5V, one LSB is 610
μ
V.
相關(guān)PDF資料
PDF描述
ADS7843E CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-PDIP -55 to 125
ADS7844 12-Bit, 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7844E CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-SO -55 to 125
ADS7844EB CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-SO -55 to 125
ADS7844N 12-Bit, 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7843E 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Touch Scrn Ctrlr 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
ADS7843E 制造商:Texas Instruments 功能描述:IC's
ADS7843E/2K5 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller 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
ADS7843E/2K5G4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller 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
ADS7843EG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller 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
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*