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參數(shù)資料
| 型號(hào)： | AD7843ARQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | Touch Screen Digitizer |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封裝： | MO-137AB, QSOP-16 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大小： | 193K |
| 代理商： | AD7843ARQ |
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REV. 0
–2–
AD7843–SPECIFICATIONS
Parameter
DC ACCURACY
Resolution
No Missing Codes
Integral Nonlinearity
2
Offset Error
2
Offset Error Match
3
(V
CC
= 2.7 V to 3.6 V, V
REF
= 2.5 V, f
SCLK
= 2 MHz unless otherwise noted; T
A
=
–40 C to +85 C, unless otherwise noted.)
AD7843A
1
Unit
Test Conditions/Comments
12
11
±
2
±
6
1
0.1
±
4
1
0.1
70
Bits
Bits min
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB max
LSB typ
dB typ
V
CC
= 2.7 V
Gain Error
2
Gain Error Match
3
Power Supply Rejection
SWITCH DRIVERS
On-Resistance
2
Y+, X+
Y–, X–
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REFERENCE INPUT
V
REF
Input Voltage Range
DC Leakage Current
V
REF
Input Impedance
V
REF
Input Current
3
5
6
typ
typ
0 to V
REF
±
0.1
37
Volts
μ
A typ
pF typ
1.0/+V
CC
±
1
5
20
1
1
V min/max
μ
A max
G
typ
μ
A max
μ
A typ
μ
A max
CS
= GND or +V
CC
8
μ
A typ
f
SAMPLE
= 12.5 kHz
CS
= +V
CC
; 0.001
μ
A typ
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN4
LOGIC OUTPUTS
Output High Voltage, V
OH
Output Low Voltage, V
OL
PENIRQ
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
4
Output Coding
2.4
0.4
±
1
10
V min
V max
μ
A max
pF max
Typically 10 nA, V
IN
= 0 V or +V
CC
V
CC
– 0.2
0.4
0.4
±
10
10
Straight (Natural) Binary
V min
V max
V max
μ
A max
pF max
I
SOURCE
= 250
μ
A; V
CC
= 2.2 V to 5.25 V
I
SINK
= 250
μ
A
I
SINK
= 250
μ
A; 100 k
Pull-Up
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time
Throughput Rate
POWER REQUIREMENTS
V
(Specified Performance)
I
CC
Normal Mode (f
SAMPLE
= 125 kSPS)
Normal Mode (f
SAMPLE
= 12.5 kSPS)
Normal Mode (Static)
Shutdown Mode (Static)
Power Dissipation
5
Normal Mode (f
SAMPLE
= 125 kSPS)
Shutdown
12
3
125
DCLK Cycles max
DCLK Cycles min
kSPS max
2.7/3.6
V min/max
Functional from 2.2 V to 5.25 V
Digital I/Ps = 0 V or V
CC
V
CC
= 3.6 V, 240
μ
A typ
V
CC
= 2.7 V, f
DCLK
= 2 00 kHz
V
CC
= 3.6 V
380
170
150
1
μ
A max
μ
A typ
μ
A typ
μ
A max
1.368
3.6
mW max
μ
W max
V
CC
= 3.6 V
V
CC
= 3.6 V
NOTES
1
Temperature range as follows: A Version: –40
°
C to +85
°
C.
2
See Terminology.
3
Guaranteed by design.
4
Sample tested @ 25
°
C to ensure compliance.
5
See Power vs. Throughput Rate section.
Specifications subject to change without notice.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7843ARQ-REEL | 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER 制造商:Rochester Electronics LLC 功能描述:2.7V 12-BIT TOUCH SCREN DIGITIZER I.C. - Tape and Reel |
| AD7843ARQ-REEL7 | 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER 制造商:Rochester Electronics LLC 功能描述:2.7V 12-BIT TOUCH SCREN DIGITIZER I.C. - Tape and Reel |
| AD7843ARQZ | 功能描述:IC ADC 12BIT TOUCHSCREEN 16-QSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類(lèi)型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評(píng)估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 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) |
| AD7843ARQZ2 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:Touch Screen Digitizer |
| AD7843ARQZ-REEL | 功能描述:IC ADC 12BIT TOUCHSCREEN 16-QSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類(lèi)型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評(píng)估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 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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