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| 型号： | VRE204M |
| 厂商： | Apex Microtechnology |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 4.5V 20-CLCC |
| 标准包装： | 1 |
| 基准类型： | 串联，精度 |
| 输出电压： | 4.5V |
| 容差： | ±890µV |
| 温度系数： | 2ppm/°C |
| 输入电压： | 13.5 V ~ 22 V |
| 通道数： | 1 |
| 电流 - 静态： | 7mA |
| 电流 - 输出： | 10mA |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-LCC |
| 供应商设备封装： | 20-CLCC |
| 包装： | 管件 |
VRE204
Precision Voltage Reference
VRE204
FEATURES
? Very High Accuracy: +4.5 V Output, ±0.8 mV
? Extremely Low Drift: 1.48 ppm/°C (-55°C to
+125°C)
? Excellent Stability: 6 ppm/1000 Hrs. Typical
? Excellent Line Regulation: 6 ppm/V Typical
? Wide Supply Range: +13.5 V to +22.0 V
? Hermetic 20-terminal Ceramic LCC
? Military Processing Available
APPLICATIONS
? Precision A/D and D/A Converters
? Transducer Excitation
? Accurate Comparator Threshold Reference
? High Resolution Servo Systems
? Digital Voltmeters
? High Precision Test and Measurement Instru-
ments
DESCRIPTION
VRE204 Series Precision Voltage References provide
ultrastable +4.5 V outputs with up to ±0.8 mV initial
accuracy and temperature coefficient as low as 1.48
ppm/°C over the full military temperature range.
These references are specifically designed to be used
with successive-approximation type Analog-to-Digital
Converters (ADCs). Specify an ADC with exceptional
temperature drift, which can only be as good as the
external reference used. The VRE204 combined with
the right ADC will provide the lowest drift data conver-
sion obtainable.
The VRE204 series is available in the military operat-
ing temperature range -55°C to +125°C, and two per-
formance grades. All devices are packaged in 20-ter-
minal LCC ceramic packages for maximum long-term
stability. These “M” versions are screened for high reli-
ability and quality.
Superior stability, accuracy, and quality make the
VRE204 ideal for all precision applications which may
require a 4.5 V reference. High-accuracy test and
measurement instrumentation, and transducer exci-
tation are some other applications which can benefit
from the high accuracy of the VRE204.
Figure 1. BLOCK DIAGRAM
11
SELECTION GUIDE
Model
Output (V)
Temperature
Operating Range
Volt Deviation (MAX)
VRE204M
VRE204MA
+4.5V
+4.5V
-55°C to +125°C
-55°C to +125°C
±0.69mV
±0.60mV
20-terminal Ceramic LCC
Package Style HD
VRE204DS
www.cirrus.com
Copyright ? Cirrus Logic, Inc. 2012
(All Rights Reserved)
APR 2012 1
APEX ? VRE204DSREVJ
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相关代理商/技术参数 |
参数描述 |
|---|---|
| VRE204MA | 功能描述:基准电压& 基准电流 Ref. +4.5V, -55/125C 0.3mV error RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| VRE205 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Precision Surface Mount Reference Supply |
| VRE205_10 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Precision Voltage Reference |
| VRE205C | 功能描述:基准电压& 基准电流 Ref. +5V, -25/85C 0.4mV error RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| VRE205CA | 功能描述:基准电压& 基准电流 Ref. +5V, -25/85C 0.2mV error RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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