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參數(shù)資料
| 型號(hào)： | VRE350BS |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE TERM VOLTAGE REFERENCE, PDSO8 |
| 封裝： | DSO-8 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 330K |
| 代理商： | VRE350BS |
VRE350
Precision
Micropower Reference
DESCRIPTION
FEATURES
The VRE350 is a low cost, high precision 1.235V
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 +1.235V output
with ±0.300mV (.02%) initial accuracy and a
temperature coefficient of 1.5 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,
making the VRE350 series the most accurate, low
power reference available in the standard 8 pin
DIP package.
For 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 eliminate socket contact resistance
errors.
5
6
7
8
VRE350
TOP
VIEW
1
2
3
4
N/C
+V
IN
N/C
GND
NOISE
REDUCTION
REF. GND
V
OUT
N/C
PIN CONFIGURATION
The VRE350 is recommended for use as a
reference for 14, 16, or 18 bit D/A converters
which require an external precision reference with
low power requirements. The device is also ideal
for calibrating scale factor on high resolution A/D
converters.
The
VRE350
offers
superior
performance over monolithic references.
1.235 V OUTPUT ± 0.300 mV (.02%)
TEMPERATURE DRIFT: 1.5 ppm/°C
LOW SUPPLY CURRENT: 50
A MAX.
INDUSTRY STD PINOUT- 8 PIN DIP OR
SURFACE MOUNT PACKAGE
NOISE REDUCTION CAPABILITY
REFERENCE GROUND
FIGURE 1
VRE350DS REV. A SEPT 1995
SELECTION GUIDE
Model
Temp.
Range
°C
Temp.
Coeff.
ppm/
°C
VRE350A
0.30
1.5
0°C to +70°C
VRE350B
0.50
3.0
0°C to +70°C
VRE350C
1.00
5.0
0°C to +70°C
VRE350J
0.30
1.5
-40°C to +85°C
VRE350K
0.50
3.0
-40°C to +85°C
VRE350L
1.00
5.0
-40°C to +85°C
For package option add D for DIP or S for Surface
Mount to end of model number.
Initial
Error
mV
THALER CORPORATION 2015 N. FORBES BOULEVARD TUCSON, AZ. 85745 (520) 882-4000
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