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參數(shù)資料
| 型號(hào)： | EVAL-AD7853CB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| 中文描述： | 3 V至5 V單電源，200 kSPS的12位采樣ADC |
| 文件頁(yè)數(shù)： | 29/34頁(yè) |
| 文件大?。?/td> | 350K |
| 代理商： | EVAL-AD7853CB |
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REV. B
–29–
AD7853/AD7853L
Interface Mode 1 Configuration
Figure 42 shows the flowchart for configuring the part in
Interface Mode 1. This mode of operation can only enabled by
writing to the control register and setting the 2/
3
MODE bit.
Reading and writing cannot take place simultaneously in this
mode as the DIN pin is used for both reading and writing.
APPLY
(IF REQUIRED),
SCLK, WRITE TO CONTROL REGISTER
SETTING THE TWO-WIRE MODE
SERIAL
INTERFACE
MODE
POWER-ON, APPLY CLKIN SIGNAL,
WAIT 150ms FOR AUTOMATIC CALIBRATION
NO
YES
START
WAIT FOR BUSY SIGNAL TO GO
LOW OR WAIT FOR BUSY BIT = 0
PULSE
PIN
READ
DATA
DURING
CONVERSION
APPLY
CURRENT CONVERSION RESULT ON DIN PIN
(IF REQUIRED), SCLK, READ
1
INITIATE
CONVERSION
IN
SOFTWARE
WAIT APPROXIMATLY 200ns
AFTER
OR AFTER END OF CONTROL
REGISTER WRITE
RISING EDGE
APPLY
(IF REQUIRED),
SCLK, READ PREVIOUS CONVERSION
RESULT ON DIN PIN
NO
YES
APPLY
(IF REQUIRED),
SCLK, WRITE TO CONTROL REGISTER
SETTING THE TWO-WIRE MODE
AND CONVST BIT TO 1
Figure 42. Flowchart for Setting Up, Reading and Writing
in Interface Mode 1
Interface Modes 4 and 5 Configuration
Figure 43 shows the flowchart for configuring the AD7853/
AD7853L in Interface Modes 4 and 5, the self-clocking modes.
In this case it is not recommended to use the software conver-
sion start option. The read and write operations always occur
simultaneously and during conversion.
SERIAL
INTERFACE
MODE
POWER-ON, APPLY CLKIN SIGNAL,
WAIT 150ms FOR AUTOMATIC CALIBRATION
START
AUTOMATICALLY GOES
LOW AFTER
RISING EDGE
PULSE
PIN
SCLK AUTOMATICALLY ACTIVE, READ CURRENT
CONVERSION RESULT ON DOUT PIN, WRITE
TO CONTROL REGISTER ON DIN PIN
4, 5
Figure 43. Flowchart for Setting Up, Reading and Writing
in Interface Modes 4 and 5
相關(guān)PDF資料 |
PDF描述 |
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| EVAL-AD7854CB | 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| EVAL-AD7856CB | 5 V Single Supply, 8-Channel 14-Bit 285 kSPS Sampling ADC |
| EVAL-AD7858CB | 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7854CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD - Bulk |
| EVAL-AD7856CB | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Single Supply, 8-Channel 14-Bit 285 kSPS Sampling ADC |
| EVAL-AD7858CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD - Bulk |
| EVAL-AD7858CB4 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC |
| EVAL-AD7859CB | 制造商:Analog Devices 功能描述:Evaluation Board For 3V To 5V, 12-Bit 200KSPS, Multi-Channel, Sampling ADC |
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