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LM4128Q

Texas Instruments
Part Number LM4128Q
Manufacturer Texas Instruments
Description SOT-23 Precision Micropower Series Voltage Reference
Published Sep 14, 2020
Detailed Description LM4128, LM4128Q www.ti.com SNVS475E – NOVEMBER 2006 – REVISED APRIL 2013 LM4128/LM4128Q SOT-23 Precision Micropower S...
Datasheet PDF File LM4128Q PDF File

LM4128Q
LM4128Q

Overview
LM4128, LM4128Q www.
ti.
com SNVS475E – NOVEMBER 2006 – REVISED APRIL 2013 LM4128/LM4128Q SOT-23 Precision Micropower Series Voltage Reference Check for Samples: LM4128, LM4128Q FEATURES 1 •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.
Typical Application Circuit Input VIN VREF CIN* LM4128 Outpu...


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