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參數資料
| 型號： | AD7863AR-2 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | RECTIFIER SCHOTTKY DUAL 30A 60V 275A-ifsm 0.7V-vf 1mA-ir TO-3P 30/TUBE |
| 中文描述： | 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | MS-013AE, SOIC-28 |
| 文件頁數： | 6/18頁 |
| 文件大小： | 207K |
| 代理商： | AD7863AR-2 |
AD7863
–
6
–
REV. A
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic
Description
1
–
6
7
8
DB12
–
DB7
DGND
CONVST
Data Bit 12 to Data Bit 7. Three-state TTL outputs.
Digital Ground. Ground reference for digital circuitry.
Convert Start Input. Logic Input. A high to low transition on this input puts both track/holds into their hold
mode and starts conversion on both channels.
Data Bit 6 to Data Bit 0. Three-state TTL outputs.
Analog Ground. Ground reference for Mux, track/hold, reference and DAC circuitry.
Input Number 2 of Channel B. Analog Input voltage ranges of
±
10 V (AD7863-10),
±
2.5 V (AD7863-3)
and 0 V
–
2.5 V (AD7863-2).
Input Number 2 of Channel A. Analog Input voltage ranges of
±
10 V (AD7863-10),
±
2.5 V (AD7863-3)
and 0 V
–
2.5 V (AD7863-2).
Reference Input/Output. This pin is connected to the internal reference through a series resistor and is the
output reference source for the analog-to-digital converter. The nominal reference voltage is 2.5 V and this
appears at the pin.
Multiplexer Select. This input is used in conjunction with
CONVST
to determine on which pair of channels
the conversion is to be performed. If A0 is low when the conversion is initiated then channels V
A1,
V
A2
will
be selected. If A0 is high when the conversion is initiated, channels V
B1,
V
B2
will be selected.
Chip Select Input. Active low logic input. The device is selected when this input is active.
Read Input. Active low logic input. This input is used in conjunction with
CS
low to enable the data out-
puts and read a conversion result from the AD7863.
Busy Output. The busy output is triggered high by the falling edge of
CONVST
and remains high until
conversion is completed.
Analog and Digital Positive Supply Voltage, +5.0 V
±
5%.
Input Number 1 of Channel A. Analog Input voltage ranges of
±
10 V (AD7863-10),
±
2.5 V (AD7863-3)
and 0 V
–
2.5 V (AD7863-2).
Input Number 1 of Channel B. Analog Input voltage ranges of
±
10 V (AD7863-10),
±
2.5 V (AD7863-3)
and 0 V
–
2.5 V (AD7863-2).
Analog Ground. Ground reference for Mux, track/hold, reference and DAC circuitry.
Data Bit 13 (MSB). Three-state TTL output. Output coding is twos complement for the AD7863-10 and
AD7863-3. Output coding is straight (natural) binary for the AD7863-2.
9
–
15
16
17
DB6
–
DB0
AGND
V
B2
18
V
A2
19
V
REF
20
A0
21
22
CS
RD
23
BUSY
24
25
V
DD
V
A1
26
V
B1
27
28
AGND
DB13
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AD7863
DB1
DB2
DB3
DB4
DB5
DB6
CONVST
DB12
DB11
DB10
DB9
DGND
DB7
DB8
V
A2
V
REF
A0
CS
DB13
AGND
V
B1
V
A1
V
DD
RD
BUSY
V
B2
AGND
DB0
相關PDF資料 |
PDF描述 |
|---|---|
| AD7863AR-3 | RECTIFIER SCHOTTKY DUAL 40A 40V 375A-ifsm 0.58V-vf 1mA-ir TO-3P 30/TUBE |
| AD7864AS-1 | VARISTOR 150V RMS 20MM RADIAL |
| AD7864BS-1 | SWITCH SLIDE DP3T RT ANG L=6MM |
| AD7864AS-2 | 4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC |
| AD7864AS-3 | 4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7863AR-2REEL | 制造商:Analog Devices 功能描述:ADC Dual SAR 175ksps 14-bit Parallel 28-Pin SOIC W T/R |
| AD7863AR-2REEL7 | 功能描述:IC ADC 14BIT DUAL 2CH 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:12 采樣率（每秒）:3M 數據接口:- 轉換器數目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數目和類型:- |
| AD7863AR-3 | 功能描述:IC ADC 14BIT DUAL 2CH 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7863AR-3REEL | 功能描述:IC ADC 14BIT DUAL 2CH 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7863AR-3REEL7 | 功能描述:IC ADC 14BIT DUAL 2CH 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
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