REF5020-EP, REF5025-EP
REF5040-EP, REF5050-EP
www.ti.com
SBOS471A –APRIL 2010–REVISED JUNE 2010
LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE
Check for Samples: REF5020-EP, REF5025-EP, REF5040-EP, REF5050-EP
1
FEATURES
SUPPORTS DEFENSE, AEROSPACE,
AND MEDICAL APPLICATIONS
2
•
LOW TEMPERATURE DRIFT:
5 ppm/°C (max)
•
•
•
•
Controlled Baseline
One Assembly/Test Site
One Fabrication Site
Available in Military (–55°C/125°C)
Temperature Range(1)
•
HIGH ACCURACY:
0.08% (max)
•
•
LOW NOISE: 3 mVPP/V
HIGH OUTPUT CURRENT: ±10 mA
•
•
•
Extended Product Life Cycle
Extended Product-Change Notification
Product Traceability
APPLICATIONS
•
•
•
•
•
•
16-BIT DATA ACQUISITION SYSTEMS
ATE EQUIPMENT
INDUSTRIAL PROCESS CONTROL
MEDICAL INSTRUMENTATION
OPTICAL CONTROL SYSTEMS
PRECISION INSTRUMENTATION
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, and are
very robust with regard to line and load changes.
(1) Custom temperature ranges available
+5V
+5V
D PACKAGE
(TOP VIEW)
Input
Signal
0V to 4V
R1
50W
VDD
OPA365
+IN
DNC(1)
NC(2)
DNC(1)
VIN
1
2
3
4
8
7
6
5
ADS8326
REF
C1
1.2nF
-IN
GND
REF50xx
TEMP
GND
VOUT
REF5040
TRIM/NR
VIN
VOUT
+5V
CBYPASS
C2
1mF
22mF
GND
NOTES: (1) DNC = Do not connect.
(2) NC = No internal connection.
1
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2010, Texas Instruments Incorporated