LF347N/NOPB National Semiconductor, LF347N/NOPB Datasheet - Page 10

• Manufacturer Part Number: LF347N/NOPB
• Description: IC OP AMP QUAD JFET WIDE 14-DIP
• Manufacturer: National Semiconductor
• Series: BI-FET II™r

Specifications of LF347N/NOPB

• Amplifier Type: J-FET
• Number Of Circuits: 4
• Slew Rate: 13 V/µs
• Gain Bandwidth Product: 4MHz
• Current - Input Bias: 50pA
• Voltage - Input Offset: 5000µV
• Current - Supply: 7.2mA
• Voltage - Supply, Single/dual (±): 8 V ~ 36 V, ±4 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Bandwidth: 4 MHz
• Channel Separation: -120
• Common Mode Rejection Ratio: 100
• Current, Input Bias: 50 pA
• Current, Input Offset: 25 pA
• Current, Output: 31 mA
• Current, Supply: 7.2 mA
• Harmonic Distortion: 0.02 %
• Impedance, Thermal: 75 °C/W
• Number Of Amplifiers: Quad
• Package Type: MDIP-14
• Power Dissipation: 1000 mW
• Resistance, Input: 10^12 Ohms
• Temperature, Operating, Range: 0 to +70 °C
• Voltage, Gain: 100 V/mV
• Voltage, Input: 8 to 36 V
• Voltage, Noise: 20 nV/sqrt Hz
• Voltage, Offset: 5 mV
• Voltage, Output, High: 13.5 V
• Voltage, Output, Low: -13.5 V
• Voltage, Supply: ±15 V
• Number Of Channels: 4
• Voltage Gain Db: 100 dB
• Common Mode Rejection Ratio (min): 70 dB
• Input Voltage Range (max): 36 V
• Input Voltage Range (min): 8 V
• Input Offset Voltage: 10 mV at +/- 15 V
• Supply Current: 11 mA at +/- 15 V
• Maximum Power Dissipation: 1000 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Maximum Dual Supply Voltage: +/- 18 V
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• Current - Output / Channel: -
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LF347N; *LF347N/NOPB; LF347; LF347NNS

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Typical Applications
All resistors 1% tolerance
• Accuracy of better than 0.4% with standard 1% value resistors
• Expandable to any number of stages
• Very high input impedance
No offset adjustment necessary
Digitally Selectable Precision Attenuator
A1
0
0
0
0
1
1
1
1
A2
0
0
1
1
0
0
1
1
A3
0
1
0
1
0
1
0
1
10
Attenuation
−1 dB
−2 dB
−3 dB
−4 dB
−5 dB
−6 dB
−7 dB
V
0
O
00564710