REF5010 Datasheet, PDF (1/38 Pages) Texas Instruments – Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE

Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
REF5010, REF5020, REF5025, REF5030
REF5040, REF5045, REF5050
SBOS410G – JUNE 2007 – REVISED NOVEMBER 2015
REF50xx Low-Noise, Very Low Drift, Precision
Voltage Reference
1 Features
•1 Low Temperature Drift:
– High-Grade: 3 ppm/°C (Maximum)
– Standard-Grade: 8 ppm/°C (Maximum)
• High Accuracy:
– High-Grade: 0.05% (Maximum)
– Standard-Grade: 0.1% (Maximum)
• Low Noise: 3 μV_PP/V
• Excellent Long-term Stability:
– 45 ppm/1000 hr (typ) after 1000 Hours
• High-Output Current: ±10 mA
• Temperature Range: –40°C to 125°C
2 Applications
• 16-Bit Data Acquisition Systems
• ATE Equipment
• Industrial Process Controls
• Medical Instrumentation
• Pressure and Temperature Transmitters
• Seismic monitoring systems
3 Description
The REF50xx is a family of low-noise, low-drift, very
high precision voltage references. These references
are capable of both sinking and sourcing current, and
have excellent line and load regulation.
Excellent temperature drift (3 ppm/°C) and high
accuracy (0.05%) are achieved using proprietary
design techniques. These features, combined with
very low noise, make the REF50xx family ideal for
use in high-precision data acquisition systems.
Each reference voltage is available in both standard-
and high-grade versions. They are offered in MSOP-8
and SO-8 packages, and are specified from –40°C to
125°C.
Device Information⁽¹⁾
PART NUMBER PACKAGE
BODY SIZE (NOM)
REF50xx
SOIC (8)
VSSOP (8)
4.90 mm × 3.91 mm
3.00 mm × 3.00 mm
space
space
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
+5V
Input
Signal
0V to 4V
OPA365
R₁
50Ÿ
C₁
1.2nF
IN
V_DD
ADS8326
IN
REF GND
+5V
C_BYPASS
1µF
REF5040
V_IN
V_OUT
GND
C₂
µF
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.