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參數(shù)資料
| 型號(hào)： | DAC8408FS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Quad 8-Bit Multiplying CMOS D/A Converter with Memory |
| 中文描述： | QUAD, PARALLEL, 8 BITS INPUT LOADING, 0.19 us SETTLING TIME, 8-BIT DAC, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 217K |
| 代理商： | DAC8408FS |
DAC8408
–14–
REV. A
Figure 11. A Digitally Programmable, Low-Distortion Sinewave Oscillator
A LOW-DIST ORT ION, PROGRAMMABLE
SINE WAVE OSCILLAT OR
By varying the previous state-variable filter topology slightly,
one can obtain a very low distortion sinewave oscillator with
programmable frequency feature as shown in Figure 11. Again,
DAC B and DAC D in tandem control the oscillating frequency
based on the relationship f
C
= 1/2
π
RC. Positive feedback is
accomplished via the 82.5 k
and the 20 k
potentiometer.
T he Q of the oscillator is determined by the ratio of 10 k
and
475
in series with the FET transistor, which acts as an auto-
matic gain control variable resistor. T he AGC action maintains
a very stable sinewave amplitude at any frequency. Again, only
two ICs accomplish a very useful function.
At the highest frequency setting, the harmonic distortion level
measures 0.016%. As the frequencies drop, distortion also drops
to a low of 0.006%. At the lowest frequency setting, distortion
came back up to a worst case of 0.035%.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8408FS-REEL | 制造商:Analog Devices 功能描述:DAC 4-CH R-2R 8-bit 28-Pin SOIC W T/R 制造商:Analog Devices 功能描述:DAC8408 W/TAPE & REEL - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:DAC8408 W/TAPE & REEL - Tape and Reel |
| DAC8408FSZ | 功能描述:IC DAC 8BIT QUAD W/MEMORY 28SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| DAC8408FSZ | 制造商:Analog Devices 功能描述:IC 8-BIT DAC |
| DAC8408FSZ-REEL | 功能描述:IC DAC 8BIT QUAD W/MEMORY 28SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時(shí)間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| DAC8408FT | 制造商:Rochester Electronics LLC 功能描述:QUAD 8-BIT CMOS DAC WITH - Bulk |
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