MP8104DJ-LF-Z Equivalent & Substitute Parts

Part Overview

The MP8104DJ-LF-Z is a general-purpose operational amplifier manufactured by Monolithic Power Systems Inc., housed in a TSOT-23-5 surface mount package. This device features rail-to-rail output capability and operates across a 1.8 V to 5.5 V supply voltage range, making it suitable for low-power analog signal processing applications.

The MP8104DJ-LF-Z carries a "Not For New Designs" product status, indicating that Monolithic Power Systems Inc. has discontinued active development and support for this part number. This status necessitates identification of functionally equivalent alternatives for ongoing production requirements, maintenance applications, and new design implementations.

Substiute Parts

MP8104DJ-LF-Z

Monolithic Power Systems Inc.In Stock: 44261MP8104DJ-LF-Z Datasheet

Current PartRFQ

MP8102DJ-LF-Z

Monolithic Power Systems Inc.In Stock: 205348MP8102DJ-LF-Z Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP8104DJ-LF-Z is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Amplifier Type: General Purpose
• Number of Circuits: 1
• Output Type: Rail-to-Rail
• Package / Case: SOT-23-5 Thin (TSOT-23-5)
• Mounting Type: Surface Mount
• Voltage - Supply Span: 1.8 V (Min) to 5.5 V (Max)
• Operating Temperature Range: -40°C to 85°C
• RoHS Compliance: ROHS3 Compliant

The MP8102DJ-LF-Z meets all mandatory matching parameters and qualifies as a direct substitute. Both devices share identical supply voltage specifications, operating temperature range, package configuration, and compliance certifications. The MP8102DJ-LF-Z maintains the same electrical interface and pinout compatibility required for drop-in replacement applications.

Parameter Comparison

Engineering Selection Recommendations

The MP8102DJ-LF-Z is qualified as a direct substitute for the MP8104DJ-LF-Z based on the following engineering criteria:

Compliance and Certification Alignment: Both part numbers maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with current manufacturing and environmental standards. REACH status is unaffected for both devices, and both carry the same ECCN (EAR99) and HTSUS (8542.33.0001) classifications.

Electrical Interface Compatibility: Identical supply voltage specifications (1.8 V to 5.5 V), operating temperature range (-40°C to 85°C), and input bias current (2 pA) ensure seamless integration into existing circuit designs. The matching input offset voltage (1 mV) maintains signal fidelity requirements.

Product Status Consideration: The MP8102DJ-LF-Z carries "Active" product status, indicating ongoing manufacturer support, availability, and continued development. This status provides long-term supply chain stability compared to the "Not For New Designs" designation of the MP8104DJ-LF-Z.

Performance Trade-offs: The MP8102DJ-LF-Z exhibits lower supply current (7.5 µA versus 11 µA), resulting in reduced power consumption. However, the substitute part demonstrates lower slew rate (0.1 V/µs versus 0.2 V/µs) and reduced -3dB bandwidth (0.6 MHz versus 1 MHz). These differences require application-level evaluation for time-sensitive or high-frequency signal processing circuits.

Frequently Asked Questions (FAQ)

Q: Can the MP8102DJ-LF-Z replace the MP8104DJ-LF-Z in existing designs without PCB modifications?

A: Yes. Both devices share identical TSOT-23-5 package geometry, pinout configuration, and supply voltage specifications. No PCB layout changes are required for mechanical or electrical interface compatibility.

Q: What are the key performance differences between these two parts?

A: The MP8102DJ-LF-Z operates at lower supply current (7.5 µA versus 11 µA), reducing power consumption. However, it provides lower slew rate (0.1 V/µs versus 0.2 V/µs) and reduced bandwidth (0.6 MHz versus 1 MHz). Applications requiring high-speed signal processing or fast transient response must evaluate these performance differences.

Q: Why is the MP8104DJ-LF-Z marked "Not For New Designs"?

A: This designation indicates that Monolithic Power Systems Inc. has discontinued active development and support for this part number. The MP8102DJ-LF-Z, with "Active" status, represents the current product offering and is recommended for new design implementations.

Q: Are there any compliance or certification differences between these parts?

A: No. Both devices maintain identical RoHS3 compliance, MSL Level 1 rating, REACH status, ECCN classification, and HTSUS codes. Compliance requirements are fully satisfied by either part number.

Q: What is the inventory availability difference?

A: The MP8104DJ-LF-Z has 44,200 pieces in stock, while the MP8102DJ-LF-Z has 205,300 pieces available. The substitute part offers significantly higher inventory levels, supporting sustained production requirements.

Q: Is the MP8102DJ-LF-Z suitable for battery-powered applications?

A: Yes. The lower supply current (7.5 µA) of the MP8102DJ-LF-Z makes it more suitable for battery-powered applications compared to the MP8104DJ-LF-Z (11 µA). Both devices operate across the 1.8 V to 5.5 V range, supporting single-cell and multi-cell battery configurations.

Q: Can I use the MP8102DJ-LF-Z in high-frequency signal conditioning circuits?

A: Application-dependent. The MP8102DJ-LF-Z provides 0.6 MHz bandwidth and 0.1 V/µs slew rate. If your circuit requires the higher bandwidth (1 MHz) and slew rate (0.2 V/µs) of the MP8104DJ-LF-Z, alternative parts should be evaluated. Consult detailed application requirements before substitution.