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參數資料
| 型號： | AD9859/PCBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 4/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD9859 |
| 產品培訓模塊： | Direct Digital Synthesis Tutorial Series (1 of 7): Introduction Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator |
| 設計資源： | AD9859 Eval Brd BOM AD9859, AD9951-54 Eval Brd Gerber Files |
| 標準包裝： | 1 |
| 系列： | AgileRF™ |
| 主要目的： | 計時，直接數字合成（DDS） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD9859 |
| 主要屬性： | 10 位數模轉換器，32 位調節(jié)字寬 |
| 次要屬性： | 400MHz 圖形用戶界面 |
| 已供物品： | 板，軟件 |
AD9859
Rev. A | Page 12 of 24
DAC Output
The AD9859 incorporates an integrated 10-bit current output
DAC. Unlike most DACs, this output is referenced to AVDD,
not AGND.
Two complementary outputs provide a combined full-scale
output current (IOUT). Differential outputs reduce the amount of
common-mode noise that might be present at the DAC output,
offering the advantage of an increased signal-to-noise ratio. The
full-scale current is controlled by an external resistor (RSET)
connected between the DAC_RSET pin and the DAC ground
(AGND_DAC). The full-scale current is proportional to the
resistor value as follows:
OUT
SET
I
R
/
19
.
39
=
The maximum full-scale output current of the combined DAC
outputs is 15 mA, but limiting the output to 10 mA provides the
best spurious-free dynamic range (SFDR) performance. The DAC
output compliance range is AVDD + 0.5 V to AVDD – 0.5 V.
Voltages developed beyond this range cause excessive DAC
distortion and could potentially damage the DAC output
try. Proper attention should be paid to the load
keep the output voltage within this compliance
Serial I/O Port
The AD9859 serial port is a flexible, synchronous serial
communications port that allows easy interface to many industry-
standard microcontrollers and microprocessors. The serial I/O port
is compatible with most synchronous transfer formats, including
both the Motorola 6905/11 SPI and Intel 8051 SSR protocols.
The interface allows read/write access to all registers that configure
the AD9859. MSB first or LSB first transfer formats are supported.
The AD9859’s serial interface port can be configured as a single pin
I/O (SDIO), which allows a 2-wire interface or two unidirectional
pins for in/out (SDIO/SDO), which in turn enables a 3-wire
interface. Two optional pins, IOSYNC and CS
Register Map and Descriptions
, enable greater
flexibility for system design in the AD9859.
The register map is listed in Table 5.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9859YSV | 制造商:Analog Devices 功能描述:Direct Digital Synthesizer 400MHz 1-DAC 10-Bit Serial 48-Pin TQFP EP 制造商:Analog Devices 功能描述:DDS 10BIT DAC 400MSPS SMD 9859 |
| AD9859YSV-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9859YSVZ | 功能描述:IC DDS DAC 10BIT 400MSPS 48-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數字合成 (DDS) 系列:- 產品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD9859YSVZ | 制造商:Analog Devices 功能描述:IC 400 MSPS DDS 制造商:Analog Devices 功能描述:IC, 400 MSPS DDS |
| AD9859YSVZ | 制造商:Analog Devices 功能描述:DIRECT DIGITAL SYNTHESIZER |
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