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| 型号： | AD584JH |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC ADJ TO-99-8 |
| 标准包装： | 1 |
| 基准类型： | 串联，可调节，精度 |
| 输出电压： | 2.5V，5V，7.5V，10V |
| 容差： | ±27% |
| 温度系数： | 30ppm/°C |
| 输入电压： | 4.5 V ~ 30 V |
| 通道数： | 1 |
| 电流 - 静态： | 1mA |
| 电流 - 输出： | 10mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-99-8 金属罐 |
| 供应商设备封装： | TO-99-8 |
| 包装： | 散装 |
| 产品目录页面： | 795 (CN2011-ZH PDF) |
AD584
The AD584 is normally used in the ?10 V mode with the AD7574
Bipolar output applications and other operating details can be
found in the data sheets for the CMOS products.
–15V +15V
Data Sheet
scale temperature coefficient of 18 ppm/°C more than the
commercial range. The 10 V reference also supplies the normal
1 mA bipolar offset current through the 9.95 kΩ bipolar offset
resistor. The bipolar offset temperature coefficient thus depends
only on the temperature coefficient matching of the bipolar offset
V+
V+
AD584
8
1
10.0V
4
COMMON
0.1μF
R3
1.2k? GAIN TRIM
5% R2 2k?*
–10V REF
R1
2k? 10%*
SIGNAL
INPUT
0V TO +10V
1
2
3
4
5
AD7574
(TOP VIEW)
18
DIGITAL
SUPPLY
RETURN
resistor to the input reference resistor and is guaranteed to
3 ppm/°C. Figure 18 demonstrates the flexibility of the AD584
applied to another popular digital-to-analog configuration.
V+
V REF (–)
GROUND
INTERTIE
* R1 AND R2 CAN BE OMITTED IF ANALOG
GAIN TRIM IS NOT REQUIRED. GROUND
Figure 17. AD584 as ?10 V Reference for CMOS ADC
PRECISION DAC REFERENCE
The AD565A , like many DACs, can operate with an external
10 V reference element (see Figure 19). This 10 V reference
voltage is converted into a reference current of approximately
0.5 mA via the internal 19.95 kΩ resistor (in series with the external
A1 (MSB)
A2
A3
A4
A5
A6
A7
A8 (LSB)
COMP
C
5
6
7
8
9
10
11
12
16
13
AD
DAC08
3 2
14
15
4
1
V REF (+)
R14
R15
R14 = R15
R L
I O
V LC
10.0V
2.5V
1
3
8
AD584
4
COMMON
100 Ω trimmer). The gain temperature coefficient of the AD565A
is primarily governed by the temperature tracking of the 19.95 k?
resistor and the 5 kΩ/10 kΩ span resistors; this gain temperature
coefficient is guaranteed to 3 ppm/°C. Therefore, using the AD584 K
(at 5 ppm/°C) as the 10 V reference guarantees a maximum full-
BIPOLAR OFFSET
ADJUST
15T
V– I OUT
Figure 18. Current Output, 8-Bit Digital-to-Analog Configuration
R1
100 ?
+15V
0.1μF
+15V
REF OUT
V CC
BIPOLAR OFF
20V SPAN
15T
8
AD584
4
1
GAIN
ADJUST REF
IN
R2
100 ? REF
GND
10V
19.95 k?
20 k?
0.5mA
I REF
AD565A
9.95k?
DAC
I OUT =
4 × I REF × CODE
I O
5k?
5k?
8k?
10V SPAN
DAC OUT
2
3
+15V
6
OP1177
OP AMP
OUTPUT
±10V
CODE INPUT
–15V
–V EE
POWER
GND
MSB
LSB
0.1μF
–15V
Figure 19. Precision 12-Bit DAC
Rev. C | Page 10 of 12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD584JH/+ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD584JN | 制造商:Rochester Electronics LLC 功能描述:IC - PROGRAMMABLE V REF. - Bulk 制造商:Analog Devices 功能描述:IC ADJUSTABLE REFERENCE |
| AD584JNZ | 功能描述:IC VREF SERIES PREC ADJ 8-PDIP RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
| AD584K | 制造商:AD 制造商全称:Analog Devices 功能描述:Pin Programmable Precision Voltage Reference |
| AD584KCSA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
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