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參數資料
| 型號： | ADUC848BS32-3 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
| 中文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | 14 X 14 MM, PLASTIC, MO-112-AC-1, MQFP-52 |
| 文件頁數： | 28/108頁 |
| 文件大?。?/td> | 1109K |
| 代理商： | ADUC848BS32-3 |
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ADuC845/ADuC847/ADuC848
This offset is removed by performing a running average of 2.
This average by 2 means that the settling time to any change in
programming of the ADC is twice the normal conversion time,
while an asynchronous step change on the analog input is not
fully reflected until the third subsequent output. See Figure 13.
Rev. A | Page 28 of 108
ADC
ADC
SETTLE
t
f
t
×
=
=
2
2
The allowable range for SF (chop enabled) is 13 to 255 with
a default of 69 (45H). The corresponding conversion rates,
rms and peak-to-peak noise performances are shown in
Table 10, Table 11, Table 12, and Table 13. The numbers are
typical and generated at a differential input voltage of 0 V
and a common-mode voltage of 2.5 V. Note that the con-
version time increases by 0.732 ms for each increment in SF.
SAMPLE 1
NO/INVALID
OUTPUT
SAMPLE 2
SAMPLE 3
SAMPLE 4
SAMPLE 5
SAMPLE 6
SAMPLE 1 + SAMPLE 2
2
VALID OUTPUT
SAMPLE 5 + SAMPLE 6
2
VALID OUTPUT
SAMPLE 2 + SAMPLE 3
2
VALID OUTPUT
SYNCHRONOUS CHANGE
(I.E. CHANNEL CHANGE)
SAMPLE 4 + SAMPLE 5
2
VALID OUTPUT
SAMPLE 3 + SAMPLE 4
2
NO OUTPUT
0
Figure 13. ADC Settling Time Following a Synchronous Change with
Chop Enabled
SAMPLE 1
NO OUTPUT
SAMPLE 2
SAMPLE 3
SAMPLE 4
SAMPLE 5
SAMPLE 6
SAMPLE 1 + SAMPLE 2
2
VALID OUTPUT
SAMPLE 5 + SAMPLE 6
2
VALID OUTPUT
SAMPLE 2 + SAMPLE 3
2
VALID OUTPUT
ASYNCHRONOUS CHANGE
(I.E. DISCONTINUOUS INPUT CHANGE)
SAMPLE 4 + SAMPLE 5
2
UNSETTLED OUTPUT
SAMPLE 3 + SAMPLE 4
2
UNSETTLED OUTPUT
0
Figure 14. ADC Settling Time Following an Asynchronous Change with
Chop Enabled
相關PDF資料 |
PDF描述 |
|---|---|
| ADUC848BS32-5 | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
| ADUC848BS62-3 | 10-825944-010 |
| ADUC848BS62-5 | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
| ADUC848BS8-3 | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
| ADUC848BS8-5 | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADUC848BS32-5 | 制造商:Analog Devices 功能描述:IC MICROCONTROLLER |
| ADUC848BS62-3 | 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 52MQFP - Bulk 制造商:Analog Devices 功能描述: |
| ADUC848BS62-5 | 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 5V 52MQFP - Bulk 制造商:Analog Devices 功能描述:IC MICROCONTROLLER |
| ADUC848BS8-3 | 制造商:Analog Devices 功能描述: |
| ADUC848BS8-5 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP 制造商:Analog Devices 功能描述:IC MICROCONTROLLER |
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