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參數資料
| 型號： | AD7853AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數： | 27/34頁 |
| 文件大小： | 350K |
| 代理商： | AD7853AR |
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REV. B
–27–
AD7853/AD7853L
CONFIGURING THE AD7853/AD7853L
AD7853/AD7853L as a Read-Only ADC
The AD7853/AD7853L contains fourteen on-chip registers
which can be accessed via the serial interface. In the majority of
applications it will not be necessary to access all of these regis-
ters. Figure 38 outlines a flowchart of the sequence which is
used to configure the AD7853/AD7853L as a Read-Only ADC.
In this case there is no writing to the on-chip registers and only
the conversion result data is read from the part. Interface Mode
1 cannot be used in this case as it is necessary to write to the
control register to set Interface Mode 1. Here the CLKIN signal
is applied directly after power-on, the CLKIN signal must be
present to allow the part to perform a calibration. This auto-
matic calibration will be completed approximately 32 ms after
the AD7853 has powered up (4 MHz CLK).
SERIAL
INTERFACE
MODE
POWER-ON, APPLY CLKIN SIGNAL,
WAIT FOR AUTOMATIC CALIBRATION
DIN CONNECTED TO DGND
NO
YES
START
WAIT FOR BUSY SIGNAL
TO GO LOW
PULSE
CONVST
PIN
READ
DATA
DURING
CONVERSION
WAIT APPROXIMATLY 200ns
AFTER
CONVST
RISING EDGE
APPLY
SYNC
(IF REQUIRED), SCLK AND READ
CONVERSION RESULT ON DOUT PIN
PULSE
CONVST
PIN
SYNC
AUTOMATICALLY GOES LOW
AFTER
CONVST
RISING EDGE
SCLK AUTOMATICALLY ACTIVE, READ
CONVERSION RESULT ON DOUT PIN
4, 5
2, 3
Figure 40. Flowchart for Setting Up and Reading from the AD7853/AD7853L
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| AD7853ARS | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853BN | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853BR | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853LAN | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853LAR | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7853AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SOIC W T/R |
| AD7853ARS | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SSOP 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 12-BIT ADC I.C. - Bulk |
| AD7853ARS-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SSOP T/R 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 12-BIT ADC I.C. - Tape and Reel |
| AD7853ARS-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 24SSOP - Tape and Reel |
| AD7853ARSZ | 功能描述:IC ADC 12BIT SRL 200KSPS 24SSOP RoHS:是 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:- |
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