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參數(shù)資料
| 型號(hào)： | AD7715ARZ-5 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 25/40頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT SIGMA-DELTA 16-SOIC |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 9.5mW |
| 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： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個(gè)差分，單極；1 個(gè)差分，雙極 |
| 產(chǎn)品目錄頁面： | 778 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7715-3EBZ-ND - BOARD EVALUATION FOR AD7715 |
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AD7715
Rev. D | Page 31 of 40
CONFIGURING THE AD7715
The AD7715 contains three on-chip registers which the user
accesses via the serial interface. Communication with any of
these registers is initiated by writing to the communications
register first. Figure 10 outlines a flow chart of the sequence
which is used to configure all registers after a power-up or reset.
The flowchart also shows two different read options—the first
where the DRDY pin is polled to determine when an update of
the data register has taken place, the second where the DRDY
bit of the communications register is interrogated to see if a
data register update has taken place. Also included in the
flowing diagram is a series of words which should be written
to the registers for a particular set of operating conditions.
These conditions are gain of 1, no filter sync, bipolar mode,
buffer off, clock of 2.4576 MHz, and an output rate of 60 Hz.
START
CONFIGURE AND INITIALIZE
MICROCONTROLLER/MICROPROCESSOR SERIAL PORT
POWER-ON/RESET FOR AD7715
WRITE TO COMMUNICATIONS REGISTER SETTING UP
GAIN AND SETTING UP NEXT OPERATION TO BE A
WRITE TO THE SETUP REGISTER (10 HEX)
WRITE TO SETUP REGISTER SETTING UP REQUIRED
VALUES AND INITIATING A SELF CALIBRATION (68 HEX)
POLL DRDY PIN
DRDY
LOW?
YES
NO
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME GAIN AND SETTING UP NEXT OPERATION TO
BE A READ FROM THE DATA REGISTER (38 HEX)
READ FROM DATA REGISTER
POLL DRDY BIT OF COMMUNICATIONS REGISTER
YES
NO
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME GAIN AND SETTING UP NEXT OPERATION TO BE
A READ FROM THE DATA REGISTER (38 HEX)
WRITE TO COMMUNICATIONS REGISTER SETTING UP SAME
GAIN AND SETTING UP NEXT OPERATION TO BE A READ FROM
THE COMMUNICATIONS REGISTER (08 HEX)
READ FROM COMMUNICATIONS REGISTER
READ FROM DATA REGISTER
DRDY
LOW?
08
51
9-
0
10
Figure 10. Flow Chart for Setting Up and Reading from the AD7715
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7715ARZ-51 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 450 ??A 16-Bit, Sigma-Delta ADC |
| AD7715ARZ-5REEL | 功能描述:IC ADC 16BIT 5V 16-SOIC 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
| AD7715ARZ-5REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 450 ??A 16-Bit, Sigma-Delta ADC |
| AD7716 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 22-Bit Data Acquisition System |
| AD7716BP | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 570ksps 22-bit Serial 44-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:4-CHNL S-D ADC - Bulk 制造商:Analog Devices 功能描述:IC SIGMA DELTA ADC |
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