參數(shù)資料
型號(hào)： ADS7843E
元件分類(lèi)： 通用總線功能
英文描述： CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-PDIP -55 to 125
中文描述： 觸摸屏控制器
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 163K
代理商： ADS7843E
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
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
ADS7844NB CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-TSSOP -55 to 125
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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
ADS7843IDBQRQ1 功能描述:觸摸屏轉(zhuǎn)換器和控制器 AC 4-wire Touch Screen Cntrlr RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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
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