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Numéro de référence | VRE304 | ||
Description | Low Cost Precision Reference | ||
Fabricant | ETC | ||
Logo | |||
1 Page
www.DataSheet4U.com
VRE304
Low Cost
Precision Reference
RHOPOINT COMPONENTS LTD., Holland Road,Hurst Green, Oxted, Surrey, RH8 0AX. Tel: +44 (0)1883 717988
FEATURES
• 4.500 V OUTPUT ± 0.450 mV (.01%)
• TEMPERATURE DRIFT: 0.6 ppm/°C
• LOW NOISE: 3µV p-p (0.1-10Hz)
• INDUSTRY STD PINOUT- 8 PIN DIP OR
SURFACE MOUNT PACKAGE
•EXCELLENT LINE REGULATION: 6ppm/V Typ.
PIN CONFIGURATION
N/C 1
8
NOISE
REDUCTION
+VIN 2 VRE304 7 REF. GND
TEMP 3
TOP
VIEW
6 VOUT
GND 4
5 TRIM
• OUTPUT TRIM CAPABILITY
DESCRIPTION
FIGURE 1
DataSheet4U.com
DataShee
The VRE304 is a low cost, high precision 4.5V
reference. Packaged in the industry standard 8
pin DIP, the device is ideal for upgrading systems
that use lower performance references.
The device provides ultrastable +4.500V output
with ±0.4500 mV (.01%) initial accuracy and a
temperature coefficient of 0.6 ppm/°C. This
improvement in accuracy is made possible by a
unique, patented multipoint laser compensation
technique developed by Thaler Corporation.
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 VRE304 series the
most accurate reference available in the standard
8 pin DIP package.
For enhanced performance, the VRE304 has an
external trim option for users who want less than
0.01% initial error. For ultra low noise
applications, an external capacitor can be
attached between the noise reduction pin and the
ground pin. A reference ground pin is provided to
DataSheet4U.coemliminate socket contact resistance errors.
The VRE304 is recommended for use as a
reference for 14, 16, or 18 bit D/A converters
which require an external precision reference.
The device is also ideal for calibrating scale
factor on high resolution A/D converters. The
VRE304 offers superior performance over
monolithic references.
SELECTION GUIDE
Model
VRE304A
VRE304B
VRE304C
VRE304J
VRE304K
VRE304L
Initial
Error
mV
0.45
0.70
0.90
0.45
0.70
0.90
Temp.
Coeff.
ppm/°C
0.6
1.0
2.0
0.6
1.0
2.0
Temp.
Range
°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
For package option add D for DIP or S for Surface
Mount to end of model number.
VRE304DS REV. C AUG. 1995
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Pages | Pages 5 | ||
Télécharger | [ VRE304 ] |
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