LTC1150CS8 Equivalent & Substitute Parts

Part Overview

The LTC1150CS8 is an active chopper (zero-drift) amplifier manufactured by Analog Devices Inc., designed for precision analog signal conditioning applications. This single-circuit operational amplifier operates across a wide supply voltage range of 4.75 V to 32 V and delivers extremely low input offset voltage of 0.5 µV, making it suitable for high-precision measurement and instrumentation systems. The device is classified as Active and carries ROHS3 compliance certification. Substitute parts are identified to address inventory availability, extended operating temperature requirements, or packaging format preferences while maintaining electrical and mechanical compatibility.

Substiute Parts

LTC1150CS8

Analog Devices Inc.In Stock: 5723LTC1150CS8 Datasheet

Current PartRFQ

LTC1150CS8#PBF

Analog Devices Inc.In Stock: 2505LTC1150CS8#PBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LTC1150CS8 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Amplifier Type: Chopper (Zero-Drift) topology
• Number of Circuits: Single circuit configuration
• Slew Rate: 3 V/µs
• Gain Bandwidth Product: 2.5 MHz
• Input Bias Current: 10 pA
• Input Offset Voltage: 0.5 µV
• Supply Current: 800 µA
• Supply Voltage Range: 4.75 V to 32 V minimum and maximum

Mechanical Equivalence Requirements:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Supplier Device Package: 8-SO

Compliance Requirements:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The LTC1150CS8#PBF qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. Operating temperature range differences do not preclude substitution when application requirements fall within the narrower temperature specification of the primary part.

Parameter Comparison

Engineering Selection Recommendations

LTC1150CS8#PBF Substitution Criteria:

The LTC1150CS8#PBF is electrically and mechanically equivalent to the LTC1150CS8 across all specified operational parameters. Both devices share identical electrical characteristics including slew rate, gain bandwidth product, input bias current, input offset voltage, and supply current specifications. Both are manufactured by Analog Devices Inc. and packaged in the 8-SOIC form factor suitable for surface mount assembly.

Operational Temperature Consideration:

The LTC1150CS8#PBF operates across an extended temperature range of -40°C to 85°C, compared to the primary part's 0°C to 70°C specification. When application requirements fall within the 0°C to 70°C window, both parts deliver identical performance. Applications requiring operation below 0°C or above 70°C must use the LTC1150CS8#PBF.

Packaging Format Difference:

The LTC1150CS8#PBF is supplied in Tube packaging, whereas the primary part packaging format is not specified. This distinction affects handling, storage, and assembly logistics but does not impact electrical or mechanical compatibility.

Compliance Status:

Both parts maintain ROHS3 compliance and carry MSL rating of 1 (Unlimited), confirming suitability for standard manufacturing and storage environments without moisture-related constraints.

Frequently Asked Questions (FAQ)

Q: Can LTC1150CS8#PBF be used as a direct replacement for LTC1150CS8 in all applications?

A: Yes, the LTC1150CS8#PBF is electrically and mechanically equivalent to the LTC1150CS8. All electrical parameters, including slew rate, gain bandwidth product, input offset voltage, and supply voltage range, are identical. Both devices use the same 8-SOIC package and surface mount configuration. The primary difference is the extended operating temperature range of the substitute part and its Tube packaging format.

Q: What is the significance of the operating temperature range difference?

A: The LTC1150CS8 operates from 0°C to 70°C, while the LTC1150CS8#PBF operates from -40°C to 85°C. If your application operates exclusively within the 0°C to 70°C window, both parts perform identically. If your application requires operation outside this range, the LTC1150CS8#PBF must be selected.

Q: Are there any package compatibility issues between these parts?

A: Both parts use the 8-SOIC (0.154", 3.90mm Width) package and are configured for surface mount assembly. The packaging format difference (Tube for the substitute) affects logistics and handling but does not impact PCB layout, footprint, or assembly compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the LTC1150CS8 and LTC1150CS8#PBF are ROHS3 compliant and carry MSL rating 1 (Unlimited). Both are REACH Unaffected and classified under ECCN EAR99. Compliance certifications are equivalent.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is based on matching the following parameters: Amplifier Type (Chopper/Zero-Drift), Number of Circuits (1), Slew Rate (3 V/µs), Gain Bandwidth Product (2.5 MHz), Input Bias Current (10 pA), Input Offset Voltage (0.5 µV), Supply Current (800 µA), and Supply Voltage Range (4.75 V to 32 V). All these parameters are identical between the primary part and substitute.

Q: Is the #PBF suffix significant for substitution purposes?

A: The #PBF suffix indicates lead-free (Pb-free) plating and is part of the formal part number designation. It does not affect electrical performance or substitution eligibility. The suffix reflects manufacturing and environmental compliance standards.

Q: Can inventory availability influence substitution decisions?

A: Inventory status is provided for reference (LTC1150CS8: 5645 Pcs; LTC1150CS8#PBF: 2456 Pcs) but does not affect technical substitution eligibility. Substitution decisions should be based on electrical, mechanical, and compliance parameters. Inventory considerations are separate from engineering compatibility assessment.