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參數(shù)資料
| 型號： | AD7843ARUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 19/21頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT TOUCHSCREEN 16TSSOP |
| 標準包裝： | 96 |
| 類型： | 電阻 |
| 觸摸面板接口： | 4 線 |
| 輸入數(shù)/鍵： | 1 TSC |
| 分辨率（位）： | 12 b |
| 評估套件： | 可供 |
| 數(shù)據(jù)接口： | 串行 |
| 數(shù)據(jù)速率/采樣率 (SPS，BPS)： | 125k |
| 電壓基準： | 外部 |
| 電源電壓： | 2.2 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 779 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7843EBZ-ND - BOARD EVAL FOR AD7843 |
AD7843
Rev. B | Page 6 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
02144-B
-003
1
2
3
4
5
6
7
10
8
9
11
12
13
14
15
16
AD7843
TOP VIEW
(Not to Scale)
+VCC
X+
Y+
X–
Y–
GND
IN3
IN4
DCLK
CS
DIN
BUSY
DOUT
PENIRQ
+VCC
VREF
Figure 3. Pin Configuration QSOP/TSSOP
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Function
1, 10
+VCC
Power Supply Input. The +VCC range for the AD7843 is from 2.2 V to 5.25 V. Both +VCC pins should be connected
directly together.
2
X+
X+ Position Input. ADC Input Channel 1.
3
Y+
Y+ Position Input. ADC Input Channel 2.
4
X
X Position Input.
5
Y
Y Position Input.
6
GND
Analog Ground. Ground reference point for all circuitry on the AD7843. All analog input signals and any external
reference signal should be referred to this GND voltage.
7
IN3
Auxiliary Input 1. ADC Input Channel 3.
8
IN4
Auxiliary Input 2. ADC Input Channel 4.
9
VREF
Reference Input for the AD7843. An external reference must be applied to this input. The voltage range for the
external reference is 1.0 V to +VCC. For specified performance, it is 2.5 V.
11
PENIRQ
Pen Interrupt. CMOS logic open-drain output (requires 10 k to 100 k pull-up register externally).
12
DOUT
Data Out. Logic Output. The conversion result from the AD7843 is provided on this output as a serial data stream.
The bits are clocked out on the falling edge of the DCLK input. This output is high impedance when CS is high.
13
BUSY
BUSY Output. Logic Output. This output is high impedance when CS is high.
14
DIN
Data In. Logic input. Data to be written to the AD7843 control register is provided on this input and is clocked into
the register on the rising edge of DCLK (see the Control Register section).
15
CS
Chip Select Input. Active Low Logic Input. This input provides the dual function of initiating conversions on the
AD7843 and also enables the serial input/output register.
16
DCLK
External Clock Input. Logic Input. DCLK provides the serial clock for accessing data from the part. This clock input
is also used as the clock source for the AD7843 conversion process.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7843ARUZ | 制造商:Analog Devices 功能描述:IC, ADC, 12BIT, 125KSPS, TSSOP-16 |
| AD7843ARUZ-REEL7 | 功能描述:IC ADC 12BIT TOUCHSCREEN 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標準包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準:- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD7845 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete 12-Bit Multiplying DAC |
| AD7845AQ | 功能描述:IC DAC 12BIT MULT LC2MOS 24-CDIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產(chǎn)品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7845AR | 制造商:Rochester Electronics LLC 功能描述:12-BIT PARALLEL VOUT DAC, IC - Bulk 制造商:Analog Devices 功能描述: |
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