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參數資料
| 型號： | AD9951YSV |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字信號處理外設 |
| 英文描述： | 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| 中文描述： | DSP-NUM CONTROLLED OSCILLATOR, PQFP48 |
| 封裝： | EXPOSED PAD, PLASTIC, MS-026-ABC, TQFP-48 |
| 文件頁數： | 13/28頁 |
| 文件大小： | 825K |
| 代理商： | AD9951YSV |
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AD9951
DAC Output
The AD9951 incorporates an integrated 14-bit current output
DAC.
Unlike most DACs, this output is referenced to AVDD,
not AGND.
Rev. 0 | Page 13 of 28
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 will cause excessive DAC
distortion and could potentially damage the DAC output circuitry.
Proper attention should be paid to the load termination to keep the
output voltage within this compliance range.
Serial IO Port
The AD9951 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 AD9951. MSB first or LSB first transfer formats are supported.
The AD9951’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 AD9951.
Register Map and Descriptions
The register map is listed in Table 5.
相關PDF資料 |
PDF描述 |
|---|---|
| AD9952YSV-REEL7 | Hook-Up Wire; Conductor Size AWG:12; No. Strands x Strand Size:65 x 30; Jacket Color:Red; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1015, CSA Type TEW, JQA-F-, Passes VW-1 Flame Test; Conductor Material:Copper RoHS Compliant: Yes |
| AD9952 | 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9952YSV | 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9953 | 400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer |
| AD9953ASV | 400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9951YSV-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9951YSVZ | 功能描述:IC DDS DAC 14BIT 1.8V 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) |
| AD9951YSVZ-REEL7 | 制造商:Analog Devices 功能描述:DGTL SYNTHESIZER 48TQFP EP TAPE AND REEL - Tape and Reel |
| AD9952 | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9952/PCB | 制造商:Analog Devices 功能描述:Evaluation Board For Digital Synthesizer 制造商:Analog Devices 功能描述:400 MSPS 14BIT CMOS DIRECT DGTL SYNTHESIZER - Bulk 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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