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參數(shù)資料
| 型號： | AD561KNZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 10BIT MONO VOLT IN 16DIP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 設(shè)置時間： | 250ns |
| 位數(shù)： | 10 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-PDIP |
| 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）： | * |
AD561
–8–
REV. A
C394e–1–5/97
PRINTED
IN
U.S.A.
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
16-Pin Ceramic Package
D-16
16-Pin Plastic Package
N-16
Figure 9. Fast Precision Analog to Digital Converter
A much faster converter can be constructed by using higher
performance external components. Each individual high-order
bit settles in less than 250 ns; the low-order bits in less than
200 ns. Because of this, a staged clock, which speeds up for
lower bits will improve the speed. Also, a faster comparator and
Schottky TTL or ECL logic would be necessary. 10-bit convert-
ers in the 3
s to 5 s range could be built around the AD561
with these techniques.
DIGITAL 4-TO-20 mA OR 1-TO-5 VOLT CONVERTER
A direct digital 4-to-20 mA or 1-to-5 volt line driver can be built
with the AD561 as shown in Figure 10. The 2.5 volt reference is
divided to provide 1 volt at the op amp noninverting input – thus a
zero input code results in a 1 volt output at the Darlington emitter
(VOUT). The 2 k feedback resistance converts the nominal 2 mA
(
± 20%) full-scale output from the AD561 to 4 volts, for a
total output of 5 volts FS. The voltage at the emitter forces a
proportional current through the 250
(which appears at the
collector as IOUT) The AD561 current is added to the 4–20 mA
line; thus 5 volts full scale gives 22 mA in the current loop. For
exactly 20 mA, trim the 1 k pot for 4.5 V FS. (A single op amp
circuit will not produce both 1 to 5 volt and
4-to-20 mA outputs simultaneously.)
Figure 10. Digital 4-to-20 mA or 1-to-5 Volt Line Driver
DIGITALLY PROGRAMMABLE SETPOINT
COMPARATOR
Figure 11 demonstrates a high accuracy systems-oriented
setpoint comparator. The 2.5 volt reference is buffered and
amplified by the AD741K to produce an exact 10.000 volt
reference which could be used as a primary system reference for
several such circuits. The +10 volt compliance of the AD561
then allows it to generate a zero to +10 volt output swing
through the 5 k
application resistor without an additional op
amp. The digital code for this system will be complementary
binary (all 1s give 0.00 volts out).
Figure 11. Digitally Programmable Set-Point Comparator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD561S | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost 10-Bit Monolithic D/A Converter |
| AD561SD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC IC MONO 10-BIT D/A CONV RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| AD561SD/883B | 制造商:Analog Devices 功能描述:DAC 1-CH R-2R 10-bit 16-Pin CDIP Tube 制造商:Analog Devices 功能描述:DAC 1CH R-2R 10-BIT 16CDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:IC, MONO 10-BIT D/A CONV - Bulk 制造商:Analog Devices Inc. 功能描述:Digital to Analog Converters - DAC IC MONO 10-BIT D/A CONV 制造商:Analog Devices Inc. 功能描述:Digital to Analog Converters - DAC Low Cost 10-Bit Monolithic 制造商:Analog Devices 功能描述:CONVERTER - DAC |
| AD561SD-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost 10-Bit Monolithic D/A Converter |
| AD561T | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost 10-Bit Monolithic D/A Converter |
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