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PDF VRE304 Data sheet ( Hoja de datos )
| Número de pieza | VRE304 | |
| Descripción | Low Cost Precision Reference | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VRE304 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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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
1 page  
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FIGURE 3
et4U.com
FIGURE 4
MECHANICAL
INCHES MILLIMETER
DIM MIN MAX MIN MAX
A .115 .125 2.92 3.17
B .098 .102 2.48 2.59
B1 .046 .051 1.14 1.29
C .107 .113 2.71 2.87
C1 .009 .012 0.22 0.30
C2 .052 .058 1.32 1.47
D .397 .403 10.0 10.2
D1 .372 .380 9.44 9.65
INCHES MILLIMETER
DIM MIN MAX MIN MAX
E .507 .513 12.8 13.0
E1 .397 .403 10.0 10.2
E2 .264 .270 6.70 6.85
P .085 .095 2.15 2.41
Q .020 .030 .508 .762
S .045 .055 1.14 1.39
DataSheet4U.com
INCHES MILLIMETER
DIM MIN MAX MIN MAX
A .115 .125 2.92 3.17
B .018 .022 .457 .558
B1 .046 .051 1.14 1.29
B2 .098 .102 2.48 2.59
C .009 .012 0.22 0.30
D .397 .403 10.0 10.2
D 1 .372 .380 9.44 9.65
INCHES MILLIMETER
DIM MIN MAX MIN MAX
E .397 .403 10.0 10.2
E1 .264 .270 6.70 6.85
G1 .290 .310 7.36 7.87
L .195 .215 4.95 5.46
P .085 .095 2.15 2.41
Q .055 .065 1.39 1.65
S .045 .055 1.14 1.39
DataSheet4U.com
VRE304DS REV. C AUG. 1995
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet VRE304.PDF ] | |
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