LM4128AQ1MFX1.8/NOPB屬于集成電路（IC）的電壓基準(zhǔn)。由美國德州儀器公司制造生產(chǎn)的LM4128AQ1MFX1.8/NOPB電壓基準(zhǔn)產(chǎn)品屬于基準(zhǔn)電壓源系列，可通過相對較不穩(wěn)定的電源提供穩(wěn)定的電勢，電壓值始終保持恒定，以便在測量、控制和類似應(yīng)用中用作比較的標(biāo)準(zhǔn)。其功能行為可能與用于大功率調(diào)節(jié)的線性穩(wěn)壓器相似，但基準(zhǔn)電壓源器件卻不適合用于此類用途。用作比較標(biāo)準(zhǔn)時(shí)，若輸出電流容量或?qū)嶋H負(fù)載電流增大，其性能通常會降低。

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.