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| 型号： | VRE305AD |
| 厂商： | Apex Microtechnology |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 5V 8-DIP |
| 标准包装： | 1 |
| 基准类型： | 串联，精度 |
| 输出电压： | 5V |
| 容差： | ±500µV |
| 温度系数： | 0.6ppm/°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： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.400"，10.16mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
| 其它名称： | 598-1939 VRE305AD-ND |
VRE305
Precision Voltage Reference
VRE305
FEATURES
? +5 V Output, ± 0.5 mV (.01%)
? Temperature Drift: 0.6 ppm/oC
? Low Noise: 3 μV P-P (0.1-10Hz)
? Industry Standard Pinout: 8-pin DIP or
Surface Mount Package
? Excellent Line Regulation: 6 ppm/V Typical
? Output Trim Capability
APPLICATIONS
The VRE305 is recommended for use as a refer-
ence for 14, 16, or 18 bit D/A converters which re-
quire an external precision reference. The device
is also ideal for calibrating scale factor on high
resolution A/D converters. The VRE305 offers su-
perior performance over monolithic references.
DESCRIPTION
The VRE305 is a low cost, high precision +5 V refer-
ence. Packaged in an industry standard 8-pin DIP or
SMT, the device is ideal for upgrading systems that
use lower performance references.
The device provides ultrastable +5 V output with ±0.5
mV (.01%) initial accuracy and a temperature coeffi-
cient of 0.6 ppm/°C. This improvement in accuracy is
made possible by a unique, patented multipoint laser
compensation technique. Significant improvements
have been made in other performance parameters
as well, including initial accuracy, warm-up drift, line
regulation, and long-term stability, making the VRE305
series the most accurate reference available in a stan-
dard 8-pin DIP or SMT.
For enhanced performance, the VRE305 has an exter-
nal trim option for users who want less than 0.01% ini-
tial error. For ultra low noise applications, an external
capacitor can be attached between the noise reduc-
tion pin and the ground pin. A reference ground pin is
provided to eliminate socket contact resistance errors.
Figure 1. BLOCK DIAGRAM
SELECTION GUIDE
Model
Initial Error Temp. Coeff.
(mV) (ppm/oC)
Temp. Range
(oC)
Package
Options
VRE305AS
VRE305AD
VRE305CS
VRE305CD
VRE305LS
0.5
0.5
1.0
1.0
1.0
0.6
0.6
2.0
2.0
2.0
0oC to +70oC
0oC to +70oC
0oC to +70oC
0oC to +70oC
-40oC to +85oC
SIP8 (GD)
DIP8 (KD)
SIP8 (GD)
DIP8 (KD)
SIP8 (GD)
8-pin Surface Mount
Package Style GD
8-pin DIP
Package Style KD
VRE305DS
APR 2012 1
www.cirrus.com
Copyright ? Cirrus Logic, Inc. 2012
(All Rights Reserved)
APEX ? VRE305DSREVG
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相关代理商/技术参数 |
参数描述 |
|---|---|
| VRE305AS | 功能描述:基准电压& 基准电流 Ref. +5V, 0/70C 0.6ppm 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 |
| VRE305B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Low Cost Precision Reference |
| VRE305BD | 功能描述:基准电压& 基准电流 Ref. +5V, 0/70C 1ppm 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 |
| VRE305BS | 功能描述:基准电压& 基准电流 Ref. +5V, 0/70C 1ppm 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 |
| VRE305C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Low Cost Precision Reference |
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