Description
The LF444 quad low power operational amplifier provides many of the same AC characteristics as the industry standard LM148 while greatly improving the DC characteristics of the LM148..
Features
- n n n n n
1⁄4 supply current of a LM148: 200 µA/Amplifier (max) Low input bias current: 50 pA (max) High gain bandwidth: 1 MHz High slew rate: 1 V/µs Low noise voltage for low power
n Low input noise current
n High input impedance: 1012Ω n High gain VO = ± 10V, RL = 10k:
50k (min)
Simplified Schematic
1/4 Quad
Connection Diagram
Dual-In-Line Package
DS009156-2 DS009156-1
Ordering Information
LF444XYZ X indicates electrical grade Y indicates temperature range “M” for military, “C” for commercial Z indicates package type “D”, “M” or “N”
Top View Order Number LF444AMD, LF444CM, LF444ACN, LF444CN or LF444MD/883 See NS Package Number D14E, M14A or N14A
BI-FET™ and BI-FET II™ are trademarks of National Semiconductor Corporation. © 1999 National Semiconductor Corporation
DS009156
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