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1FEATURES

2? Output Voltage Initial Accuracy 0.1%

? Low Temperature Coefficient 75 ppm/°C

? Low Supply Current, 60 μA

? Enable Pin Allowing a 3 μA Shutdown Mode

? Up to 20 mA Output Current

? Voltage Options 1.8V, 2.048V, 2.5V, 3.0V, 3.3V,

4.096V

? Custom Voltage Options Available (1.8V to

4.096V)

? VIN Range of VREF + 400 mV to 5.5V @10 mA

? Stable with Low ESR Ceramic Capacitors

? 5-Pin SOT-23 Package

? ?40°C to 125°C Junction Temperature Range

? LM4128AQ/BQ/CQ/DQ are AEC-Q100 Grade 1

Qualified and are Manufactured on an

Automotive Grade Flow

APPLICATIONS

? Instrumentation & Process Control

? Test Equipment

? Data Acquisition Systems

? Base Stations

? Servo Systems

? Portable, Battery Powered Equipment

? Automotive & Industrial Electronics

? Precision Regulators

? Battery Chargers

? Communications

? Medical Equipment

DESCRIPTION

Ideal for space critical applications, the LM4128

precision voltage reference is available in the SOT-23

surface-mount package. The LM4128’s advanced

design eliminates the need for an external stabilizing

capacitor while ensuring stability with capacitive loads

up to 10 μF, thus making the LM4128 easy to use.

Series references provide lower power consumption

than shunt references, since they do not have to idle

the maximum possible load current under no load

conditions. This advantage, the low quiescent current

(60 μA), and the low dropout voltage (400 mV) make

the LM4128 ideal for battery-powered solutions.

The LM4128 is available in four grades (A, B, C, and

D) for greater flexibility. The best grade devices (A)

have an initial accuracy of 0.1% with ensured

temperature coefficient of 75 ppm/°C or less, while

the lowest grade parts (D) have an initial accuracy of

1.0% and a tempco of 100 ppm/°C.