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Product Detailed Parameters
- Description：IC OPAMP JFET 2 CIRCUIT 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Amplifier Type：J-FET
- Number of Circuits：2
- Output Type：-
- Slew Rate：13V/µs
- Gain Bandwidth Product：3 MHz
- Current - Input Bias：50 pA
- Voltage - Input Offset：5 mV
- Current - Supply：3.6mA (x2 Channels)
- Current - Output / Channel：40 mA
- Voltage - Supply Span (Min)：7 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The LF353D is a dual wideband operational amplifier manufactured by Texas Instruments, featuring JFET inputs and housed in an 8-pin SOIC package. It operates within a supply voltage range of 7V to 36V and supports a temperature range from 0°C to +70°C. Key electrical parameters include a gain-bandwidth product of 3MHz, a slew rate of 13V/µs, and an input bias current of 200pA. The device provides an output current of 20mA per channel with a common-mode rejection ratio of 100dB.
Feature Summary
- Dual-channel architecture utilizing high-voltage JFET input devices for low noise and high impedance
- Internal trimming mechanism ensures very low input offset voltage without external adjustment
- Wide bandwidth and fast slew rate capability suitable for high-speed signal processing applications
Applications
- High-speed integrator circuits
- Fast digital-to-analog converters (DACs)
- Sample-and-hold circuits
Procurement Notes
Verify the specific suffix 'D' indicates the SOIC-8 surface-mount package variant distinct from through-hole versions. Confirm RoHS compliance status as datasheets may vary by production lot. Ensure the operating environment remains within the specified 0°C to +70°C commercial temperature range to maintain guaranteed performance specifications.
Selection Notes
Select this component when a dual-channel JFET-input amplifier is required for general-purpose wideband applications. It serves as a direct pin-compatible upgrade for LM1558 designs, offering improved performance metrics such as lower input bias current and higher slew rate while maintaining similar power consumption characteristics for existing circuit layouts.
Part Context
This part belongs to the LF353 series of dual JFET-input operational amplifiers known for their BI-FET II technology. The series is designed to provide high-speed performance with low power consumption, making it suitable for various analog signal conditioning tasks where low input current and high input impedance are critical requirements.
Replacement Considerations
LF353DR
FAQ
Is the LF353D rail-to-rail output?
No, the LF353D does not feature rail-to-rail output capabilities; it requires headroom from the supply rails.
What is the typical input bias current for this device?
The typical input bias current is 200pA, resulting from the matched high-voltage JFET input stage.
