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| 型号： | AD587JRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 10V 8-SOIC |
| 标准包装： | 98 |
| 基准类型： | 串联，精度 |
| 输出电压： | 10V |
| 容差： | ±10mV |
| 温度系数： | 20ppm/°C |
| 输入电压： | 13.5 V ~ 36 V |
| 通道数： | 1 |
| 电流 - 静态： | 4mA |
| 电流 - 输出： | 10mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 795 (CN2011-ZH PDF) |
AD587
APPLICATIONS INFORMATION
USING THE AD587 WITH CONVERTERS
The AD587 is an ideal reference for a variety of 8-bit, 12-bit,
+V IN
2
14-bit, and 16-bit ADCs and DACs. Several examples follow.
10 V Reference with Multiplying CMOS DACs or ADCs
The AD587 is ideal for applications with 10-bit and 12-bit
multiplying CMOS DACs. In the standard hookup, shown in
+V IN
V OUT 6
AD587
GND
4
R C
500 ?
MIN
I L =
10V
R C
+ I BIAS
plying DAC and the AD711 high speed BiFET op amp. The
amplifier DAC configuration produces a unipolar 0 V to ?10 V
output range. Bipolar output applications and other operating
details can be found in the individual product data sheets.
+15V
+15V R2
Figure 20. Precision Current Source
Precision High Current Supply
For higher currents, the AD587 can easily be connected to a
power PNP or power Darlington PNP device. The circuits in
+V IN
0.1μF
C1
33pF
+15V
0.1μF
0.1 μF capacitor is required only if the load has a significant
capacitive component. If the load is purely resistive, improved
AD587
V OUT
TRIM
10k ?
V DD
V REF
AD7545
R FB
OUT1
AGND
AD711
V OUT
0V TO –10V
high frequency supply rejection results can be obtained by
removing the capacitor.
+V IN
GND
DGND
0.1μF
DB11 TO DB0
–15V
220 ?
Figure 18. Low Power 12-Bit CMOS DAC Application
The AD587 can also be used as a precision reference for multi-
ple DACs. Figure 19 shows the AD587, the AD7628 dual DAC,
and the AD712 dual op amp hooked up for single-supply
operation to produce 0 V to ?10 V outputs. Because both DACs
are on the same die and share a common reference and output
op amps, the DAC outputs will exhibit similar gain temperature
2
+V IN
0.1μF
2N6285
coefficients (TCs).
+15V
AD587
V OUT 6
R C
I L =
10V
R C
+ I BIAS
0.1μF
+15V
GND
4
+V IN
V OUT
AD587
GND
V REF A
DATA
INPUTS
V REF B
18
DB0
DB7
RFB A
DAC A
AD7628
DAC B
OUT A
AGND
RFB B
OUT B
AD712
V OUT A =
0 TO –10V
Figure 21. Precision High Current Source
+V IN
220 ?
2N6285
DGND
V OUT B =
0 TO –10V
Figure 19. AD587 as a 10 V Reference for a CMOS Dual DAC
Precision Current Source
The design of the AD587 allows it to be easily configured as a cur-
2
+V IN
0.1μF
rent source. By choosing the control resistor (R C ) via the equation
shown in Figure 20, the user can vary the load current from the
quiescent current (2 mA typically) to approximately 10 mA.
AD587
GND
4
V OUT 6
V OUT
+10V @ 4A
Figure 22. Precision High Current Voltage Source
Rev. H | Page 10 of 12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD587JRZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Precision 10 V Reference |
| AD587JRZ-REEL | 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| AD587JRZ-REEL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Precision 10 V Reference |
| AD587JRZ-REEL7 | 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| AD587JRZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Precision 10 V Reference |
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