Type1 Description 35 CNVST DI Start Conversion. A fallin" />
參數(shù)資料
型號: AD7655ASTZRL
廠商: Analog Devices Inc
文件頁數(shù): 2/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 4CHAN 48LQFP
標(biāo)準(zhǔn)包裝: 2,000
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 135mW
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-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)差分,單極
配用: EVAL-AD7655CBZ-ND - BOARD EVALUATION FOR AD7655
AD7655
Rev. B | Page 10 of 28
Pin No.
Mnemonic
Type1
Description
35
CNVST
DI
Start Conversion. A falling edge on CNVST puts the internal sample-and-hold into the hold state and
initiates a conversion. In impulse mode (IMPULSE = HIGH), if CNVST is held LOW when the acquisition
phase (t8) is complete, the internal sample-and-hold is put into the hold state and a conversion is
immediately started.
37
REF
AI
This input pin is used to provide a reference to the converter.
38
REFGND
AI
Reference Input Analog Ground.
39, 41
INB1, INB2
AI
Channel B Analog Inputs.
40, 45
INBN, INAN
AI
Analog Inputs Ground Senses. Allow to sense each channel ground independently.
42, 43
REFB, REFA
AI
These inputs are the references applied to Channel A and Channel B, respectively.
44, 46
INA2, INA1
AI
Channel A Analog Inputs.
1 Al = input; DI = digital input; DO = digital output; DI/O = bidirectional digital; P = power.
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