LM4040

Description

The LM4040 is a family of bandgap circuits designed to achieve precision micro-power voltage references of 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V. The devices are available in 0.2% B-grade, 0.5% Cgrade and 1% D-grade initial tolerances. They are available in the small-outline SOT23 surface mount package, which is ideal for applications where saving space is important. The LM4040 maintains excellent performance over the 60µA to 15mA operating current range with a typical temperature coefficient of only 20ppm/°C. The device has been designed to be highly tolerant of capacitive loads, which supports excellent stability. This device offers a pin-for-pin compatible alternative to the LM4040 voltage reference. The LM4040 is also available with AEC-Q100 approval; see LM4040Q datasheet

Feature(s)

• Small packages: SOT23
• No output capacitor required
• Output voltage tolerance
• LM4040B ......................................... ±0.2% at 25°C
• LM4040C ......................................... ±0.5% at 25°C
• LM4040D ......................................... ±1% at 25°C
• Low output noise
• (10 Hz to 10kHz) .................................. 45μV_RMS
• Wide operating current range ........... 60μA to 15mA
• Extended temperature range ............ -40°C to +125°C
• Low temperature coefficient ……....... 100ppm/°C (max)

Application(s)

• Battery powered equipment
• Precision power supplies
• Portable instrumentation
• Portable communications devices
• Notebook and palmtop computers
• Data acquisition systems