Datasheet

LM4050-N, LM4050-N-Q1
www.ti.com SNOS455E –MAY 2000–REVISED APRIL 2013
LM4050-N/LM4050-N-Q1 Precision Micropower Shunt Voltage Reference
Check for Samples: LM4050-N, LM4050-N-Q1
1
FEATURES
DESCRIPTION
Ideal for space critical applications, the LM4050-N
2
• Small Package: SOT-23
precision voltage reference is available in the sub-
• No Output Capacitor Required
miniature (3 mm x 1.3 mm) SOT-23 surface-mount
• Tolerates Capacitive Loads
package. The LM4050-N design eliminates the need
for an external stabilizing capacitor while ensuring
• Fixed Reverse Breakdown Voltages of 2.048V,
stability with any capacitive load, thus making the
2.500V, 4.096V, 5.000V, 8.192V, and 10.000V
LM4050-N easy to use. Further reducing design effort
is the availability of several fixed reverse breakdown
APPLICATIONS
voltages: 2.048V, 2.500V, 4.096V, 5.000V, 8.192V,
• Portable, Battery-Powered Equipment
and 10.000V. The minimum operating current
increases from 60 μA for the LM4050-N-2.0 to 100
• Data Acquisition Systems
μA for the LM4050-N-10.0. All versions have a
• Instrumentation
maximum operating current of 15 mA.
• Process Control
The LM4050-N utilizes fuse and zener-zap reverse
• Energy Management
breakdown voltage trim during wafer sort to ensure
• Product Testing
that the prime parts have an accuracy of better than
±0.1% (A grade) at 25°C. Bandgap reference
• Automotive
temperature drift curvature correction and low
• Precision Audio Components
dynamic impedance ensure stable reverse
breakdown voltage accuracy over a wide range of
KEY SPECIFICATIONS (LM4050-N-2.5)
operating temperatures and currents.
• Output Voltage Tolerance (A grade, 25°C)
All grades and voltage options of the LM4050-N are
±0.1% (max)
available in both an industrial temperature range
(−40°C and +85°C) and an extended temperature
• Low Output Noise (10 Hz to 10 kHz) 41
range (−40°C and +125°C).
μVrms(typ)
• Wide Operating Current Range 60 μA to 15 mA
CONNECTION DIAGRAM
• Industrial Temperature Range −40°C to +85°C
• Extended Temperature Range −40°C to +125°C
• Low Temperature Coefficient 50 ppm/°C (max)
• LM4050-N-Q1A/-Q1B/-1QC are AECQ100 Grade
1 Qualified and are Manufactured on an
Automotive Grade Flow
*This pin must be left floating or connected
to pin 2.
Figure 1. SOT-23, Top View
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Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.