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参数资料
| 型号： | VRE3025LS |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | THREE TERM VOLTAGE REFERENCE, PDSO8 |
| 封装： | SMT-8 |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 代理商： | VRE3025LS |
DESCRIPTION
FEATURES
The VRE3025 is a low cost, high precision 2.5V
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 +2.500V output
with ±0.2500 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 VRE3025 series
the most accurate reference available.
For enhanced performance, the VRE3025 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.
5
6
7
8
VRE3025
TOP
VIEW
1
2
3
4
N/C
+V
IN
N/C
GND
NOISE
REDUCTION
V
OUT
TRIM
PIN CONFIGURATION
The VRE3025 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 VRE3025
offers
superior
performance
over
monolithic
references.
2.500 V Output ± 0.250 mV (.01%)
Temperature Drift: 0.6 ppm/°C
Low Noise: 1.5V
p-p (0.1Hz-10Hz)
Low Thermal Hysteresis: 1 ppm Typ.
±15mA Output Source and Sink Current
Excellent Line Regulation: 5 ppm/V Typ.
Optional Noise Reduction and Voltage Trim
Industry Standard Pinout
FIGURE 1
SELECTION GUIDE
Model
Temp.
Range °C
Temp.
Coeff.
ppm/°C
VRE3025A
0.250
0.6
0°C to +70°C
VRE3025B
0.375
1.0
0°C to +70°C
VRE3025C
0.500
2.0
0°C to +70°C
VRE3025J
0.250
0.6
-40°C to +85°C
VRE3025K
0.375
1.0
-40°C to +85°C
VRE3025L
0.500
2.0
-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
N/C
VRE3025DS REV.D JULY 2000
VRE3025
Low Cost
Precision Reference
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