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參數(shù)資料
| 型號： | AD7568BSZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT OCTAL LC2MOS 44MQFP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1 |
| 設置時間： | 500ns |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉換器數(shù)目： | 8 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 17.5mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-QFP |
| 供應商設備封裝： | 44-MQFP（10x10） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 16 電流，單極；16 電流，雙極 |
| 采樣率（每秒）： | 2M |
| 產品目錄頁面： | 785 (CN2011-ZH PDF) |
AD7568
–11–
PC5
PC6
PC7
SCK
MOSI
CLKIN
SDIN
CLR
LDAC
FSIN
68HC11*
AD7568*
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 21. AD7568 to 68HC11 Interface
In Figure 21, LDAC and CLR are controlled by the PC6 and
PC5 port outputs. As with the 80C51, each DAC of the
AD7568 can be updated after each two-byte transfer, or else all
DACs can be simultaneously updated.
AD7568–ADSP-2101 Interface
Figure 22 shows a serial interface between the AD7568 and the
ADSP-2101 digital signal processor. The ADSP-2101 may be
set up to operate in the SPORT Transmit Normal Internal
Framing Mode. The following ADSP-2101 conditions are rec-
ommended: Internal SCLK; Active High Framing Signal; 16-bit
word length. Transmission is initiated by writing a word to the
TX register after the SPORT has been enabled. The data is then
clocked out on every rising edge of SCLK after TFS goes low.
TFS stays low until the next data transfer.
FO
TFS
DT
SCLK
CLKIN
SDIN
CLR
LDAC
FSIN
ADSP-2101*
AD7568*
*ADDITIONAL PINS OMITTED FOR CLARITY
+5V
Figure 22. AD7568 to ADSP-2101 Interface
AD7568–TMS320C25 Interface
Figure 23 shows an interface circuit for the TMS320C25
digital signal processor. The data on the DX pin is clocked
out of the processor’s Transmit Shift Register by the CLKX
signal. Sixteen-bit transmit format should be chosen by setting
the FO bit in the ST1 register to 0. The transmit operation be-
gins when data is written into the data transmit register of the
TMS320C25. This data will be transmitted when the FSX line
goes low while CLKX is high or going high. The data, starting
XF
FSX
DX
CLKX
CLKIN
SDIN
CLR
LDAC
FSIN
TMS320C25*
AD7568*
*ADDITIONAL PINS OMITTED FOR CLARITY
+5V
CLOCK
GENERATION
Figure 23. AD7568 to TMS320C25 Interface
with the MSB, is then shifted out to the DX pin on the rising
edge of CLKX. When all bits have been transmitted, the user
can update the DAC outputs by bringing the XF output flag low.
Multiple DAC Systems
If there are only two AD7568s in a system, there is a simple way
of programming each. This is shown in Figure 24. If the user
wishes to program one of the DACs in the first AD7568, then
DB3 of the serial bit stream should be set to 0, to correspond to
the state of the A0 pin on that device. If the user wishes to pro-
gram a DAC in the second AD7568, then DB3 should be set to
1, to correspond to A0 on that device.
FO
TFS
DT
SCLK
CLKIN
SDIN
CLR
LDAC
FSIN
ADSP-2101*
AD7568*
*ADDITIONAL PINS OMITTED FOR CLARITY
+5V
A0
CLKIN
SDIN
CLR
LDAC
FSIN
AD7568*
+5V
A0
Figure 24. Interfacing ADSP-2101 to Two AD7568s
REV. C
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| AD7568BSZ-REEL | 功能描述:IC DAC 12BIT OCTAL LC2MOS 44MQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7569ACHIPS | 功能描述:Analog I/O Interface Die 制造商:analog devices inc. 系列:LC2MOS 包裝:- 零件狀態(tài):上次購買時間 應用:模擬 I/O 接口:總線 電壓 - 電源:4.75 V ~ 5.25 V 封裝/外殼:- 供應商器件封裝:模具 安裝類型:表面貼裝 標準包裝:1 |
| AD7569AQ | 功能描述:IC I/O PORT 8BIT ANLG 24-CDIP RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:LC²MOS 特色產品:NXP - I2C Interface 標準包裝:1 系列:- 應用:2 通道 I²C 多路復用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| AD7569BN | 制造商:Analog Devices 功能描述:Data Acquisition System Single ADC Single DAC 8-Bit 24-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:8-BIT CMOS I/O PORT IC - Bulk |
| AD7569BNZ | 功能描述:IC I/O PORT 8BIT ANALOG 24DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:LC²MOS 特色產品:NXP - I2C Interface 標準包裝:1 系列:- 應用:2 通道 I²C 多路復用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
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