REF5020-EP Datasheet, PDF (1/16 Pages) Texas Instruments – LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

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
FEATURES
1
•2 LOW TEMPERATURE DRIFT:
5 ppm/°C (max)
• HIGH ACCURACY:
0.08% (max)
• LOW NOISE: 3 mV_PP/V
• HIGH OUTPUT CURRENT: ±10 mA
APPLICATIONS
• 16-BIT DATA ACQUISITION SYSTEMS
• ATE EQUIPMENT
• INDUSTRIAL PROCESS CONTROL
• MEDICAL INSTRUMENTATION
• OPTICAL CONTROL SYSTEMS
• PRECISION INSTRUMENTATION
SUPPORTS DEFENSE, AEROSPACE,
AND MEDICAL APPLICATIONS
• Controlled Baseline
• One Assembly/Test Site
• One Fabrication Site
• Available in Military (–55°C/125°C)
Temperature Range⁽¹⁾
• Extended Product Life Cycle
• Extended Product-Change Notification
• Product Traceability
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
Input
Signal
0V to 4V
+5V
OPA365
R₁
50W
C₁
1.2nF
+5V
+IN
V_DD
ADS8326
-IN _{REF GND}
+5V
C_BYPASS
1mF
REF5040
V_IN V_OUT
GND
C₂
22mF
D PACKAGE
(TOP VIEW)
DNC⁽¹⁾ 1
V_IN 2
TEMP 3
GND 4
REF50xx
8 DNC⁽¹⁾
7 NC⁽²⁾
6 V_OUT
5 TRIM/NR
NOTES: (1) DNC = Do not connect.
(2) NC = No internal connection.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
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