LF351N National Semiconductor, LF351N Datasheet - Page 8

• Manufacturer Part Number: LF351N
• Description: IC OP AMP JFET SINGLE 8-DIP
• Manufacturer: National Semiconductor
• Series: BI-FET II™r

Specifications of LF351N

• Amplifier Type: J-FET
• Number Of Circuits: 1
• Slew Rate: 13 V/µs
• Gain Bandwidth Product: 4MHz
• Current - Input Bias: 50pA
• Voltage - Input Offset: 5000µV
• Current - Supply: 1.8mA
• Voltage - Supply, Single/dual (±): ±5 V ~ 15 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• Current - Output / Channel: -
• -3db Bandwidth: -
• Other names: *LF351N; LF351

Typical Applications
Ultra-Low (or High) Duty Cycle
t
t
where V
low leakage capacitor
OUTPUT HIGH
OUTPUT LOW
Pulse Generator
Supply Current Indicator Limiter
S
e
V
V
OUT
a
R2C
a
R1C
switches high when R
l
V
b
l
n
n
2V
4 8
V
4 8
S
S
b
b
b
b
7 8
2V
V
7 8
S
S
S
I
S l
V
D
8
Low leakage capacitor
50k pot used for less sensitive V
Long Time Integrator
Parasitic input capacitance C1 j (3 pF for LF351
plus any additional layout capacitance) interacts
with feedback elements and creates undesirable
high frequency pole To compensate add C2 such
that R2C2 j R1C1
Hi-Z
IN
Inverting Amplifier
OS
adjust
TL H 5648– 10