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| 型号： | AD589KH |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC VREF SHUNT 1.235V TO-51-2 |
| 标准包装： | 100 |
| 基准类型： | 分流器 |
| 输出电压： | 1.235V |
| 容差： | ±5mV |
| 温度系数： | 50ppm/°C |
| 通道数： | 1 |
| 电流 - 阴极： | 50µA |
| 电流 - 输出： | 5mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-51-2 金属罐 |
| 供应商设备封装： | TO-51-2 |
| 包装： | 散装 |
| 产品目录页面： | 795 (CN2011-ZH PDF) |
AD589
APPLICATION INFORMATION
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THE AD589 FUNCTIONS AS A 2-TERMINAL SHUNT-TYPE REGULATOR. IT
PROVIDES A CONSTANT 1.23 V OUTPUT FOR A WIDE RANGE OF INPUT
CURRENT FROM 50 A TO 5 MA. FIGURE 5 SHOWS THE SIMPLEST CON-
fi GURATION FOR AN OUTPUT VOLTAGE OF 1.2 V OR LESS. NOTE THAT NO
FREQUENCY COMPENSATION IS REQUIRED. IF ADDITIONAL fi LTERING IS
DESIRED FOR ULTRALOW NOISE APPLICATIONS, MINIMUM RECOMMENDED
CAPACITANCE IS 1000 PF.
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A. WITH 7109 12-BIT BINARY ADC
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FIGURE 5. BASIC CONfi GURATION FOR 1.2 V OR LESS
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THE AD589 CAN ALSO BE USED AS A BUILDING BLOCK TO GENERATE
OTHER VALUES OF REFERENCE VOLTAGE. FIGURE 6 SHOWS A CIRCUIT THAT
PRODUCES A BUFFERED 10 V OUTPUT. TOTAL SUPPLY CURRENT FOR THIS
CIRCUIT IS APPROXIMATELY 2 MA.
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B. WITH 7107 PANEL METER ADC
FIGURE 7. AD589 USED AS REFERENCE FOR CMOS ADCS
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THE AD589 ALSO IS USEFUL AS A REFERENCE FOR CMOS MULTIPLYING
DACS, SUCH AS THE AD7533. THESE DACS REQUIRE A NEGATIVE
REFERENCE VOLTAGE IN ORDER TO PROVIDE A POSITIVE OUTPUT RANGE.
FIGURE 8 SHOWS THE AD589 USED TO SUPPLY AN EQUIVALENT –1.0 V
REFERENCE TO AN AD7533.
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FIGURE 6. SINGLE-SUPPLY BUFFERED 10 V REFERENCE
THE LOW POWER OPERATION OF THE AD589 MAKES IT IDEAL FOR USE IN
BATTERY-OPERATED PORTABLE EQUIPMENT. IT IS ESPECIALLY USEFUL AS A
REFERENCE FOR CMOS ANALOG-TO-DIGITAL CONVERTERS. FIGURE 7 SHOWS
THE AD589 USED IN CONJUNCTION WITH TWO POPULAR INTEGRATING TYPE
CMOS ADCS.
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FIGURE 8. AD589 AS REFERENCE FOR 10-BIT CMOS DAC
REV. C
–5–
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD589KH | 制造商:Analog Devices 功能描述:IC - Voltage Reference |
| AD589KH | 制造商:Analog Devices 功能描述:IC SHUNT V-REF 1.235V 5mV TO-51-2 |
| AD589LH | 制造商:Analog Devices 功能描述:V-Ref Precision 1.235V 5mA 2-Pin TO-51 Tube 制造商:Rochester Electronics LLC 功能描述:IC - 1.2V REFERENCE IC - Bulk |
| AD589M | 制造商:AD 制造商全称:Analog Devices 功能描述:Two-Terminal IC 1.2 V Reference |
| AD589MH | 功能描述:IC VREF SHUNT 1.235V TO-51-2 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:1,000 系列:- 基准类型:旁路，可调节，精度 输出电压:2.495 V ~ 36 V 容差:±0.5% 温度系数:标准值 34ppm/°C 输入电压:2.495 V ~ 36 V 通道数:1 电流 - 阴极:1mA 电流 - 静态:- 电流 - 输出:100mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:TO-243AA 供应商设备封装:SOT-89-3 包装:带卷 (TR) |
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