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TLV2404IDR Equivalent & Substitute Parts
Part Overview
The TLV2404IDR is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-SOIC surface-mount package. This device operates across a wide supply voltage range of 2.5 V to 16 V and maintains active product status with full RoHS3 compliance. The TLV2404IDR is designed for low-power applications requiring rail-to-rail output capability and minimal input bias current. Substitute parts are identified based on matching circuit count, output type, package compatibility, and electrical operating parameters within acceptable tolerance ranges.
Substiute Parts
Key Parameters
| Parameter | TLV2404IDR | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | — |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 16 | V |
| Operating Temperature | -40°C ~ 125°C | — |
| Mounting Type | Surface Mount | — |
| Product Status | Active | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the TLV2404IDR are grouped based on the following critical parameters that determine functional equivalence:
Primary Matching Criteria:
- Number of circuits: 4 independent amplifier circuits required
- Output type: Rail-to-rail output capability
- Package type: 14-pin surface-mount packages (14-SOIC or 14-TSSOP)
- Supply voltage range: Minimum 2.5 V to maximum 16 V overlap
- Operating temperature range: -40°C to 125°C minimum
- Mounting type: Surface mount only
- Compliance: RoHS3 compliant, REACH unaffected
Substitution Logic: Substitute parts are divided into two categories based on package compatibility. Parts in 14-SOIC packages (AD8040ARZ, AD8040ARZ-REEL7, AD8044ARZ-14, AD8054ARZ) provide direct pin-compatible replacement with identical footprint. Parts in 14-TSSOP packages (AD8040ARUZ, AD8040ARUZ-REEL7, AD8040WARUZ-REEL7, AD8054ARUZ) require PCB layout modification but offer improved thermal characteristics. The LMC6464BIM/NOPB substitute operates with CMOS technology and obsolete product status, suitable only for legacy system maintenance. The AD8044ANZ operates in 14-DIP through-hole package and is not recommended for new surface-mount designs.
Parameter Comparison
| Parameter | TLV2404IDR | AD8040ARZ | AD8040ARZ-REEL7 | AD8040ARUZ | AD8040ARUZ-REEL7 | AD8040WARUZ-REEL7 | AD8044ARZ-14 | AD8054ARZ | AD8054ARUZ | LMC6464BIM/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 14-SOIC | 14-SOIC | 14-SOIC | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-SOIC | 14-SOIC | 14-TSSOP | 14-SOIC |
| Voltage - Supply Span (Min) | 2.5 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 3 V | 3 V | 3 V | 3 V |
| Voltage - Supply Span (Max) | 16 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 15.5 V |
| Operating Temperature (Min) | -40°C | -40°C | -40°C | -40°C | -40°C | -40°C | -40°C | -40°C | -40°C | -40°C |
| Operating Temperature (Max) | 125°C | 125°C | 125°C | 125°C | 125°C | 125°C | 85°C | 125°C | 125°C | 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Pin-Compatible Substitutes (14-SOIC Package):
The AD8040ARZ and AD8040ARZ-REEL7 provide direct electrical and mechanical substitution for the TLV2404IDR in 14-SOIC surface-mount packages. Both parts maintain active product status and full RoHS3 compliance. The primary trade-off is reduced maximum supply voltage (12 V versus 16 V) and increased input bias current (700 nA versus 100 pA). These parts are suitable for applications operating within 2.7 V to 12 V supply range. The AD8040ARZ-REEL7 variant offers cut-tape and Digi-Reel packaging for automated assembly processes.
The AD8044ARZ-14 and AD8054ARZ provide 14-SOIC package compatibility with enhanced bandwidth performance (160 MHz versus 5.5 kHz). However, these parts operate with reduced maximum temperature rating (85°C versus 125°C) and higher supply current requirements. The AD8054ARZ is recommended only for applications requiring higher bandwidth and operating within -40°C to 125°C temperature range with 3 V to 12 V supply voltage.
Alternative Package Substitutes (14-TSSOP Package):
The AD8040ARUZ, AD8040ARUZ-REEL7, and AD8040WARUZ-REEL7 provide functional equivalence in 14-TSSOP surface-mount packages. These parts require PCB layout redesign due to different pin pitch (0.173" versus 0.154") but offer identical electrical performance to the 14-SOIC variants. The AD8040WARUZ-REEL7 variant includes extended temperature qualification. All three TSSOP variants maintain active product status and RoHS3 compliance.
The AD8054ARUZ provides 14-TSSOP package option with enhanced bandwidth (160 MHz) and full -40°C to 125°C temperature rating. This part is suitable for high-speed applications requiring TSSOP package footprint.
Legacy Substitution (Obsolete Status):
The LMC6464BIM/NOPB operates as a CMOS amplifier with obsolete product status. This part is not recommended for new designs. Use only for legacy system maintenance where original TLV2404IDR supply is exhausted and design modification is not feasible. The LMC6464BIM/NOPB operates with reduced maximum temperature rating (85°C) and significantly higher supply current (90 µA versus 900 nA).
Through-Hole Package (Not Recommended for New Designs):
The AD8044ANZ operates in 14-DIP through-hole package and is not suitable for surface-mount PCB designs. This part is listed for reference only in legacy through-hole system applications.
Frequently Asked Questions (FAQ)
Q: Can I use AD8040ARZ as a direct replacement for TLV2404IDR without PCB modification?
A: Yes. The AD8040ARZ operates in identical 14-SOIC package with matching pin configuration. No PCB layout modification is required. However, verify that your application operates within the reduced maximum supply voltage of 12 V (TLV2404IDR supports 16 V maximum).
Q: What is the difference between AD8040ARZ and AD8040ARZ-REEL7?
A: Both parts are electrically identical. The difference is packaging format. AD8040ARZ is supplied in tube packaging for manual handling. AD8040ARZ-REEL7 is supplied in cut-tape and Digi-Reel format for automated pick-and-place assembly. Select based on your manufacturing process requirements.
Q: Why do AD8040ARUZ variants use 14-TSSOP package instead of 14-SOIC?
A: The 14-TSSOP package offers improved thermal characteristics and smaller footprint (0.173" width versus 0.154" width). However, pin pitch differs, requiring PCB layout redesign. Use TSSOP variants only if your design already accommodates this package or if thermal performance is critical.
Q: Can I substitute TLV2404IDR with LMC6464BIM/NOPB?
A: The LMC6464BIM/NOPB is obsolete and not recommended for new designs. Use only for legacy system maintenance. This part operates with reduced temperature rating (85°C maximum) and significantly higher supply current consumption (90 µA versus 900 nA).
Q: What is the impact of using AD8044ARZ-14 or AD8054ARZ instead of TLV2404IDR?
A: Both parts provide enhanced bandwidth performance (160 MHz versus 5.5 kHz) but operate with reduced maximum temperature rating (85°C versus 125°C). Use these parts only in applications requiring higher bandwidth and operating within -40°C to 85°C temperature range.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed maintain RoHS3 compliance and REACH unaffected status, matching the TLV2404IDR environmental certification requirements.
Q: Which substitute part offers the best low-power performance?
A: The TLV2404IDR maintains the lowest supply current (900 nA across four channels). All AD8040 variants consume 1.4 mA supply current. The LMC6464BIM/NOPB consumes 90 µA, which is higher than TLV2404IDR but lower than AD8040 series. For ultra-low-power applications, the TLV2404IDR remains the optimal choice.
Q: Can I use AD8040WARUZ-REEL7 in applications requiring -40°C to 125°C temperature range?
A: Yes. The AD8040WARUZ-REEL7 is qualified for -40°C to 125°C operating temperature range, matching the TLV2404IDR specification. This part is suitable for extended temperature applications requiring 14-TSSOP package format.
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