参数资料
| 型号： | AD561JNZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/8页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT MONO VOLT IN 16DIP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 25 |
| 设置时间： | 250ns |
| 位数： | 10 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 双 ± |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
| 输出数目和类型： | 1 电流，单极；1 电流，双极 |
| 采样率（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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD561K | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Cost 10-Bit Monolithic D/A Converter |
| AD561KD | 功能描述:IC DAC 10BIT 5-15V IN MONO 16DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD561KN | 制造商:Rochester Electronics LLC 功能描述:IC, MONO 10-BIT D/A CONV - Bulk 制造商:Analog Devices 功能描述: |
| AD561KNZ | 功能描述:IC DAC 10BIT MONO VOLT IN 16DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD561S | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Cost 10-Bit Monolithic D/A Converter |
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