LM346M National Semiconductor, LM346M Datasheet - Page 14

• Manufacturer Part Number: LM346M
• Description: IC, OP AMP, QUAD, 16SOIC
• Manufacturer: National Semiconductor

Specifications of LM346M

• Op Amp Type: Low Power
• No. Of Amplifiers: 4
• Bandwidth: 1.2MHz
• Slew Rate: 0.4V/µs
• Supply Voltage Range: 3V To 36V
• Amplifier Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +70°C
• Svhc: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Active Filters Applications
Ex: f
Fine tuning can be further accomplished through R
Miscellaneous Applications
• Since for this filter the GBW product of all 4 amplifiers has been designed to be the same (∼1 MHz) only one current source can be used to bias the circuit.
• For better performance, use a matched NPN pair.
c
= 20 kHz, H
o
(gain of the filter) = 1, Q
A 4th Order Butterworth Low Pass Capacitorless Filter
01
= 0.541, Q
b
.
o2
(Continued)
= 1.306.
with Bias Current Reduction
A Unity Gain Follower
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