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LM4132
V
IN
Input
5V
Output
2.5V
V
REF
EN
GND
Enable
C
IN
C
OUT
*
*
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LM4132
,
LM4132-Q1
SNVS372D –AUGUST 2005–REVISED APRIL 2015
LM4132/LM4132-Q1 SOT-23 Precision Low Dropout Voltage Reference
1 Features 3 Description
The LM4132 family of precision voltage references
1
• Output Initial Voltage Accuracy 0.05%
performs comparable to the best laser-trimmed
• Low Temperature Coefficient 10 ppm/°C
bipolar references, but in cost effective CMOS
• Low Supply Current, 60 µA
technology. The key to this break through is the use
of EEPROM registers for correction of curvature,
• Enable Pin Allowing a 3 µA Shutdown Mode
tempco, and accuracy on a CMOS bandgap
• 20 mA Output Current
architecture that allows package level programming
• Voltage Options 1.8V, 2.048 V, 2.5 V, 3.0 V, 3.3
to overcome assembly shift. The shifts in voltage
V, 4.096 V
accuracy and tempco during assembly of die into
plastic packages limit the accuracy of references
• Custom Voltage Options Available (1.8V to
trimmed with laser techniques.
4.096V)
• V
IN
Range of V
REF
+ 400 mV to 5.5 V @ 10 mA
Unlike other LDO references, the LM4132 is capable
of delivering up to 20mA and does not require an
• Stable with Low ESR Ceramic Capacitors
output capacitor or buffer amplifier. These
• SOT23-5 Package
advantages and the SOT23 packaging are important
• LM4132AQ1/BQ1/CQ1/DQ1/EQ1 are AEC Q-100
for space-critical applications.
grade 1 qualified and are manufactured on an
Series references provide lower power consumption
Automotive Grade flow
than shunt references, since they do not have to idle
the maximum possible load current under no load
2 Applications
conditions. This advantage, the low quiescent current
(60µA), and the low dropout voltage (400mV) make
• Instrumentation & Process Control
the LM4132 ideal for battery-powered solutions.
• Test Equipment
The LM4132 is available in five grades (A, B, C, D
• Data Acquisition Systems
and E) for greater flexibility. The best grade devices
• Base Stations
(A) have an initial accuracy of 0.05% with a specified
• Servo Systems
temperature coefficient of 10ppm/°C or less, while the
lowest grade parts (E) have an initial accuracy of
• Portable, Battery Powered Equipment
0.5% and a tempco of 30ppm/°C.
• Automotive & Industrial
• Precision Regulators
• Battery Chargers
• Communications
• Medical Equipment
*Note: The capacitor C
IN
is required and
the capacitor C
OUT
is optional.
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.
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