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LF444CMX/NOPB

Op Amp Quad Low Power Amplifier ±18V 14-Pin SOIC T/R

Inventory:6,708

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  • Part Number : LF444CMX/NOPB

  • Package/Case : SOIC-14

  • Brands : TI

  • Components Categories : AmplifiersInstrumentation, OP Amps, Buffer Amps

  • Datesheet : LF444CMX/NOPB DataSheet (PDF)

Quick Inquiry

Please submit RFQ for LF444CMX/NOPB or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of LF444CMX/NOPB

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. The amplifier has the same bandwidth, slew rate, and gain (10 kΩ load) as the LM148 and only draws one fourth the supply current of the LM148. In addition the well matched high voltage JFET input devices of the LF444 reduce the input bias and offset currents by a factor of 10,000 over the LM148. The LF444 also has a very low equivalent input noise voltage for a low power amplifier.

The LF444 is pin compatible with the LM148 allowing an immediate 4 times reduction in power drain in many applications. The LF444 should be used wherever low power dissipation and good electrical characteristics are the major considerations.

Key Features

  • ¼ 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 35 nV/√Hz
  • Low Input Noise Current 0.01 pA/√Hz 
  • High Input Impedance: 1012Ω
  • High Gain: 50k (min)

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Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 6 Rail-to-rail In to V+
GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 1
Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.15
Vn at 1 kHz (typ) (nV√Hz) 35 Rating Catalog
Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10
Input bias current (max) (pA) 50 CMRR (typ) (dB) 100
Iout (typ) (A) 0.014 Architecture FET
Input common mode headroom (to negative supply) (typ) (V) 4 Input common mode headroom (to positive supply) (typ) (V) -5
Output swing headroom (to negative supply) (typ) (V) 2

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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