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5 電壓調整器 ...........................................................................................................................15 5.1 偏壓電流源產生器....................................................................................................... 16 5.2 省電模式....................................................................................................................... 16 5.3 可開關之電源輸出....................................................................................................... 17 5.4 低電壓偵測器............................................................................................................... 17
FS501
內含 2 個低雜訊運算放大器之 18 位元類數轉換器
9.2 電子秤應用電路圖﹝使用外部 OP﹞ ........................................................................ 28 10 IC 尺寸圖 .............................................................................................................................29 11 採購資訊................................................................................................................................31 12 文件更新紀錄 .......................................................................................................................31
1
ቤተ መጻሕፍቲ ባይዱ
CORPORATION RESERVES THE RIGHTS TO MODIFY THE PRODUCT SPECIFICATION WITHOUT
FURTHER NOTICE. NO LIABILITY IS ASSUMED BY FORTUNE SEMICONDUCTOR CORPORATION
9 量測之應用 ...........................................................................................................................27 9.1 電子秤應用電路圖﹝使用內建 OP﹞ ........................................................................ 27
7 功能網路................................................................................................................................19 7.1 量測模式....................................................................................................................... 20 7.2 多工器與前置濾波器................................................................................................... 21 7.3 運算放大器................................................................................................................... 22 7.4 歐姆電壓源................................................................................................................... 22
4 微處理器介面 .......................................................................................................................11 4.1 控制暫存器....................................................................................................................11 4.2 中斷之處理................................................................................................................... 13 4.3 量測暫存器................................................................................................................... 14
6 時脈產生器 ...........................................................................................................................18 6.1 時脈產生器................................................................................................................... 18
8 類數轉換器 ...........................................................................................................................23 8.1 差和調變式類數轉換器操作原理............................................................................... 23 8.2 檔位增益設定............................................................................................................... 23 8.3 數位濾波器................................................................................................................... 24 8.4 類數轉換器之讀取與運算........................................................................................... 25 8.4.1 類數轉換器輸出 SUM1 ....................................................................................... 25 8.5 數位輸出碼與等效電壓之換算................................................................................... 26 8.6 其他控制設定............................................................................................................... 27
富晶半導體股份有限公司 TEL : +886-2-2809-4742
2/31
http://www.fsc.com.tw FAX: +886-2-2809-4874
FS501-DS-39_TC VER. 3.9
Fo r tune
Semiconductor Corporation
富晶半導體股份有限公司
AS A RESULT OF THE USE OF THIS PRODUCT. NO RIGHTS UNDER ANY PATENT ACCOMPANY
THE SALE OF THE PRODUCT.
CR-004
Fo r tune
Semiconductor Corporation
富晶半導體股份有限公司
2 ELECTRICAL CHARACTERISTICS ...............................................................................5
3 包裝與接腳圖 .........................................................................................................................7 3.1 LQ44 之包裝與腳位圖 .................................................................................................. 7 3.2 腳位描述......................................................................................................................... 9
For t une
Semiconductor Corporation
富晶半導體股份有限公司
FS501
內含2個低雜訊運算放大器之18位元類數轉換器
產品說明書
FS501-DS-39_TC Rev. 3.9
THIS MANUAL CONTAINS NEW PRODUCT INFORMATION. FORTUNE SEMICONDUCTOR
FS501
內含 2 個低雜訊運算放大器之 18 位元類數轉換器
目錄
頁次
1 FS501 晶片簡介......................................................................................................................4 1.1 特徵................................................................................................................................. 4 1.2 方塊圖............................................................................................................................. 5
FS501
內含 2 個低雜訊運算放大器之 18 位元類數轉換器
9.2 電子秤應用電路圖﹝使用外部 OP﹞ ........................................................................ 28 10 IC 尺寸圖 .............................................................................................................................29 11 採購資訊................................................................................................................................31 12 文件更新紀錄 .......................................................................................................................31
1
ቤተ መጻሕፍቲ ባይዱ
CORPORATION RESERVES THE RIGHTS TO MODIFY THE PRODUCT SPECIFICATION WITHOUT
FURTHER NOTICE. NO LIABILITY IS ASSUMED BY FORTUNE SEMICONDUCTOR CORPORATION
9 量測之應用 ...........................................................................................................................27 9.1 電子秤應用電路圖﹝使用內建 OP﹞ ........................................................................ 27
7 功能網路................................................................................................................................19 7.1 量測模式....................................................................................................................... 20 7.2 多工器與前置濾波器................................................................................................... 21 7.3 運算放大器................................................................................................................... 22 7.4 歐姆電壓源................................................................................................................... 22
4 微處理器介面 .......................................................................................................................11 4.1 控制暫存器....................................................................................................................11 4.2 中斷之處理................................................................................................................... 13 4.3 量測暫存器................................................................................................................... 14
6 時脈產生器 ...........................................................................................................................18 6.1 時脈產生器................................................................................................................... 18
8 類數轉換器 ...........................................................................................................................23 8.1 差和調變式類數轉換器操作原理............................................................................... 23 8.2 檔位增益設定............................................................................................................... 23 8.3 數位濾波器................................................................................................................... 24 8.4 類數轉換器之讀取與運算........................................................................................... 25 8.4.1 類數轉換器輸出 SUM1 ....................................................................................... 25 8.5 數位輸出碼與等效電壓之換算................................................................................... 26 8.6 其他控制設定............................................................................................................... 27
富晶半導體股份有限公司 TEL : +886-2-2809-4742
2/31
http://www.fsc.com.tw FAX: +886-2-2809-4874
FS501-DS-39_TC VER. 3.9
Fo r tune
Semiconductor Corporation
富晶半導體股份有限公司
AS A RESULT OF THE USE OF THIS PRODUCT. NO RIGHTS UNDER ANY PATENT ACCOMPANY
THE SALE OF THE PRODUCT.
CR-004
Fo r tune
Semiconductor Corporation
富晶半導體股份有限公司
2 ELECTRICAL CHARACTERISTICS ...............................................................................5
3 包裝與接腳圖 .........................................................................................................................7 3.1 LQ44 之包裝與腳位圖 .................................................................................................. 7 3.2 腳位描述......................................................................................................................... 9
For t une
Semiconductor Corporation
富晶半導體股份有限公司
FS501
內含2個低雜訊運算放大器之18位元類數轉換器
產品說明書
FS501-DS-39_TC Rev. 3.9
THIS MANUAL CONTAINS NEW PRODUCT INFORMATION. FORTUNE SEMICONDUCTOR
FS501
內含 2 個低雜訊運算放大器之 18 位元類數轉換器
目錄
頁次
1 FS501 晶片簡介......................................................................................................................4 1.1 特徵................................................................................................................................. 4 1.2 方塊圖............................................................................................................................. 5