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參數(shù)資料
| 型號(hào)： | AD9859 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | XO, clock |
| 英文描述： | 400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| 中文描述： | 400 MSPS的10位，1.8伏的CMOS直接數(shù)字頻率合成 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 574K |
| 代理商： | AD9859 |
AD9859
DAC Output
The AD9859 incorporates an integrated 10-bit current output
DAC.
Unlike most DACs, this output is referenced to AVDD,
not AGND.
Rev. 0 | Page 12 of 24
Two complementary outputs provide a combined full-scale
output current (I
OUT
). 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 (R
SET
)
connected between the DAC_R
SET
pin and the DAC ground
(AGND_DAC). The full-scale current is proportional to the
resistor value as follows:
OUT
SET
R
I
/
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 cir-
cuitry. Proper attention should be paid to the load termination
to keep the output voltage within this compliance range.
Serial I/O Port
The AD9859 serial port is a flexible, synchronous serial communi-
cations port that allows easy interface to many industry-standard
microcontrollers and microprocessors. The serial I/O port is com-
patible 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 inter-
face. Two optional pins, IOSYNC and CS, enable greater flexibility
for system design in the AD9859.
Register Map and Descriptions
The register map is listed in Table 5.
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PDF描述 |
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| AD9859YSV | 400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9859YSV-REEL7 | 400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9862PCB | Mixed-Signal Front-End (MxFE⑩) Processor for Broadband Communications |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9859/PCB | 制造商:Analog Devices 功能描述:NCO, 400MSPS 10 BIT, 1.8V CMOS DIRECT DGTL SYNTHESIZER - Bulk |
| AD9859/PCBZ | 功能描述:BOARD EVAL FOR AD9859 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:AgileRF™ 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| AD9859/PCBZ1 | 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 |
| AD9859_09 | 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 |
| 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 |
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