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參數(shù)資料
| 型號： | AD7265 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Differential Input, Dual 1 MSPS, 12-Bit, 3-Channel SAR ADC |
| 中文描述： | 差分輸入，雙1 MSPS的12位，3通道SAR型ADC |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 706K |
| 代理商： | AD7265 |
Preliminary Technical Data
AD7265
Pin No.
21
Mnemonic
RANGE
Description
Analog Input Range Selection. Logic input. The polarity on this pin will determine what input range the analog
input channels will have. On the falling edge of CS , the polarity of this pin is checked to determine the analog
input range of the next conversion. If this pin is tied to a logic low, the analog input range is 0 V to VREF. If this pin
is tied to a logic high when CS goes low, the analog input range is 2 × V
REF
.
Multiplexer Select. Logic inputs. Thess inputs are used to select the pair of channels to be converted
simultaneously, i.e., Channel 1 of both ADC A and ADC B, Channel 2 of both ADC A and ADC, and so on. The pair of
channels selected may be two single ended channels or two differential pairs. The logic states of these pins are
checked upon the falling edge of CS, and the multiplexer is set up for the next conversion. See Table 6 for
multiplexer address decoding.
Logic Input. This pin selects whether the analog inputs are configured as differential pairs or single ended. A logic
low selects differential operation while a logic high selects single ended operation.
Internal/External reference Selection. Logic Input. If this pin is tied to GND, the on-chip 2.5 V reference is used as
the reference source for both ADC A and ADC B. In addition, Pins D
CAP
A and D
CAP
B must be tied to decoupling
capacitors. If the REF SELECT pin is tied to a logic high, an external reference can be supplied to the AD7265
through the D
CAP
A and/or D
CAP
B pins.
25–23
A0–A2
22
SGL/DIFF
2
REF SELECT
Rev. PrA | Page 7 of 16
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7265ACP | 制造商:Analog Devices 功能描述: |
| AD7265ASU | 制造商:Analog Devices 功能描述: |
| AD7265BCP | 制造商:Analog Devices 功能描述:ADC Dual SAR 1Msps 12-bit Serial 32-Pin LFCSP EP |
| AD7265BCPZ | 功能描述:IC ADC 12BIT SRL 1MSPS 32LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7265BCPZ-REEL | 功能描述:IC ADC 12BIT 3CHAN 1MSPS 32LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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