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VRE3021 Datasheet

  • VRE3021

  • Low Cost Precision Reference

  • 8頁(yè)

  • ETC

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VRE3021
Low Cost
Precision Reference
THALER CORPORATION 鈥?2015 N. FORBES BOULEVARD 鈥?TUCSON, AZ. 85745 鈥?(520) 882-4000
FEATURES
鈥?/div>
2.048 V Output 鹵 0.205 mV (.01%)
鈥?/div>
Temperature Drift: 0.6 ppm/擄C
鈥?/div>
Low Noise: 1.5
碌
V
p-p
(0.1Hz-10Hz)
鈥?/div>
Low Thermal Hysteresis: 1 ppm Typ.
鈥?/div>
鹵15mA Output Source and Sink Current
鈥?/div>
Excellent Line Regulation: 5 ppm/V Typ.
鈥?/div>
Optional Noise Reduction and Voltage Trim
鈥?/div>
Industry Standard Pinout
PIN CONFIGURATION
N/C
+V
IN
N/C
GND
1
2
3
4
8
NOISE
REDUCTION
N/C
V
OUT
TRIM
VRE3021
TOP
VIEW
7
6
5
FIGURE 1
DESCRIPTION
The VRE3021 is a low cost, high precision 2.048V
reference that operates from +10V. The device
features a buried zener for low noise and excellent
long term stability. Packaged in an 8 pin DIP and
SMT, the device is ideal for high resolution data
conversion systems.
The device provides ultrastable +2.048V output
with 鹵0.2048 mV (.01%) initial accuracy and a
temperature coefficient of 0.6 ppm/擄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 VRE3021 series
the most accurate reference available.
For enhanced performance, the VRE3021 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.
The VRE3021 is recommended for use as a
reference for 14, 16, or 18 bit data converters
which require an external precision reference.
The device is also ideal for calibrating scale factor
on high resolution data converters. The VRE3021
offers superior performance over monolithic
references.
SELECTION GUIDE
Initial
Error
mV
0.205
0.307
0.410
0.205
0.307
0.410
Model
VRE3021A
VRE3021B
VRE3021C
VRE3021J
VRE3021K
VRE3021L
Temp.
Coeff.
ppm/擄C
0.6
1.0
2.0
0.6
1.0
2.0
Temp.
Range 擄C
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
For package option add D for DIP or S for Surface Mount
to end of model number.
VRE3021DS REV. D JULY 2000

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