LTC1051CSW Equivalent & Substitute Parts

Part Overview

The LTC1051CSW is an active chopper (zero-drift) amplifier integrated circuit manufactured by Analog Devices Inc. This device contains two independent amplifier circuits in a 16-SOIC surface mount package. The LTC1051CSW is classified as an Active product and is suitable for precision analog signal conditioning applications requiring extremely low input offset voltage and minimal drift characteristics.

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and packaging specifications are maintained across alternative part numbers or manufacturer offerings. The LTC1051CSW has direct substitutes available that provide identical functional performance while offering different packaging or distribution formats.

Substiute Parts

LTC1051CSW

Analog Devices Inc.In Stock: 1474LTC1051CSW Datasheet

Current PartRFQ

LTC1051CSW#PBF

Analog Devices Inc.In Stock: 2500LTC1051CSW#PBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LTC1051CSW is determined by strict equivalence across the following critical parameters:

Electrical Performance Criteria:

• Amplifier type classification (Chopper/Zero-Drift)
• Number of independent circuits (2 circuits)
• Slew rate (4 V/µs)
• Gain bandwidth product (2.5 MHz)
• Input bias current (15 pA)
• Input offset voltage (0.5 µV)
• Supply current per channel (1 mA)
• Supply voltage range (4.75 V to 16 V)
• Operating temperature range (-40°C to 85°C)

Mechanical & Packaging Criteria:

• Mounting type (Surface Mount)
• Package type (16-SOIC with 0.295" / 7.50mm width)
• Pin configuration and lead spacing

Compliance & Regulatory Criteria:

• RoHS3 compliance status
• Moisture sensitivity level (MSL 1)
• REACH status (Unaffected)

Substitute parts must maintain identical values across all listed parameters. Variations in packaging format (such as tube versus tape-and-reel distribution) do not affect functional substitution when the base part number, electrical specifications, and physical package dimensions remain unchanged.

Parameter Comparison

Engineering Selection Recommendations

The LTC1051CSW and LTC1051CSW#PBF are functionally equivalent devices. Both parts are manufactured by Analog Devices Inc., maintain Active product status, and comply with ROHS3 and REACH regulatory requirements.

The primary distinction between these parts is the packaging format. The LTC1051CSW is supplied in standard packaging, while the LTC1051CSW#PBF is supplied in tube packaging. This difference affects only the distribution and handling method, not the electrical performance or mechanical compatibility of the device.

Selection between these equivalent parts should be based on:

1. Inventory Availability: LTC1051CSW#PBF currently has higher inventory (2400 pcs) compared to LTC1051CSW (1375 pcs).

2. Supply Chain Requirements: Tube packaging (LTC1051CSW#PBF) is suitable for automated assembly processes and bulk handling, while standard packaging accommodates various distribution and storage methods.

3. Regulatory Compliance: Both parts satisfy identical compliance requirements and are suitable for applications requiring ROHS3 and REACH compliance.

4. Mechanical Integration: Both parts utilize identical 16-SOIC surface mount packages with 0.295" (7.50mm) width, ensuring direct PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can LTC1051CSW#PBF be used as a direct replacement for LTC1051CSW?

A: Yes. The LTC1051CSW#PBF is a direct functional equivalent. All electrical parameters, operating characteristics, and mechanical specifications are identical. The only difference is the packaging format (tube versus standard), which does not affect circuit performance or PCB integration.

Q: What does the "#PBF" suffix indicate?

A: The "#PBF" suffix designates the packaging format as tube packaging. This is a distribution and handling specification only and does not alter the device's electrical or mechanical properties.

Q: Are both parts suitable for the same PCB assembly process?

A: Yes. Both the LTC1051CSW and LTC1051CSW#PBF use the identical 16-SOIC surface mount package with 0.295" (7.50mm) width. They are compatible with the same PCB footprints and assembly equipment.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1) ratings. They satisfy equivalent regulatory requirements for industrial and commercial applications.

Q: What are the key electrical parameters that define substitution for the LTC1051CSW?

A: Substitution is determined by maintaining identical values for: amplifier type (chopper/zero-drift), number of circuits (2), slew rate (4 V/µs), gain bandwidth product (2.5 MHz), input bias current (15 pA), input offset voltage (0.5 µV), supply current (1 mA per channel), supply voltage range (4.75 V to 16 V), and operating temperature range (-40°C to 85°C).

Q: Can the LTC1051CSW be used in applications requiring extended temperature ranges beyond -40°C to 85°C?

A: No. The LTC1051CSW is specified for operation within the -40°C to 85°C temperature range. Applications requiring extended temperature operation require alternative device selection outside this specification.

Q: What is the significance of the 0.5 µV input offset voltage specification?

A: The 0.5 µV input offset voltage is a defining characteristic of the chopper (zero-drift) amplifier architecture. This extremely low offset voltage is maintained through the operating temperature range and is critical for precision analog signal conditioning applications. Substitute devices must maintain this specification.