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EL5191ACSZ Equivalent & Substitute Parts
Part Overview
The EL5191ACSZ is a current feedback amplifier manufactured by Renesas Electronics Corporation, housed in an 8-SOIC surface mount package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The EL5191ACSZ delivers a 1 GHz bandwidth with a 2800 V/µs slew rate, suitable for high-speed signal conditioning applications. Substitute parts must maintain compatibility with the 8-SOIC package format and support the operating temperature range of -40°C to 85°C.
Substiute Parts
Key Parameters
| Parameter | EL5191ACSZ Value | Unit |
|---|---|---|
| Amplifier Type | Current Feedback | — |
| Number of Circuits | 1 | — |
| Slew Rate | 2800 | V/µs |
| -3dB Bandwidth | 1000 | MHz |
| Current - Input Bias | 40 | µA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 9 | mA |
| Current - Output / Channel | 120 | mA |
| Voltage - Supply Span (Min) | 5 | V |
| Voltage - Supply Span (Max) | 10 | V |
| Operating Temperature | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Product Status | Obsolete | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | — |
Substitute Part Grouping Explanation
Substitution of the EL5191ACSZ is determined by the following critical parameters:
Package Compatibility: All substitute parts must use the 8-SOIC surface mount package with 0.154" (3.90mm) width to ensure direct PCB footprint compatibility.
Amplifier Classification: The EL5191ACSZ is a current feedback amplifier. Substitute parts must maintain this amplifier topology to preserve circuit behavior and frequency response characteristics.
Operating Temperature Range: All substitutes must support the -40°C to 85°C operating temperature range.
Supply Voltage Compatibility: The EL5191ACSZ operates with a 5 V to 10 V supply span. Substitute parts must support at minimum a 5 V minimum supply voltage. Parts with extended maximum supply voltage (up to 12 V) provide additional design flexibility.
Single Circuit Configuration: The EL5191ACSZ contains one amplifier circuit. Substitute parts must be single-circuit devices.
Compliance Requirements: All substitute parts must maintain ROHS3 compliance and MSL 2 (1 Year) moisture sensitivity rating.
The following Texas Instruments current feedback amplifiers meet these substitution criteria: OPA683ID, OPA683IDR, OPA684ID, OPA684IDR, OPA691ID, OPA691IDR, OPA695ID, and OPA695IDR. The OPA693ID is a video buffer amplifier and does not qualify as a direct substitute due to its different amplifier classification.
Parameter Comparison
| Parameter | EL5191ACSZ | OPA683ID | OPA683IDR | OPA684ID | OPA684IDR | OPA691ID | OPA691IDR | OPA695ID | OPA695IDR | Unit |
|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | Current Feedback | Current Feedback | Current Feedback | Current Feedback | Current Feedback | Current Feedback | Current Feedback | Current Feedback | Current Feedback | — |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
| Slew Rate | 2800 | 540 | 540 | 820 | 820 | 2100 | 2100 | 4300 | 4300 | V/µs |
| -3dB Bandwidth | 1000 | 200 | 200 | 210 | 210 | 280 | 280 | 1700 | 1700 | MHz |
| Current - Input Bias | 40 | 3 | 3 | 5 | 5 | 15 | 15 | 20 | 20 | µA |
| Voltage - Input Offset | 1 | 1.5 | 1.5 | 1.5 | 1.5 | 0.5 | 0.5 | 0.3 | 0.3 | mV |
| Current - Supply | 9 | 0.94 | 0.94 | 1.7 | 1.7 | 5.1 | 5.1 | 12.9 | 12.9 | mA |
| Current - Output / Channel | 120 | 150 | 150 | 160 | 160 | 190 | 190 | 120 | 120 | mA |
| Voltage - Supply Span (Min) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | V |
| Voltage - Supply Span (Max) | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | V |
| Operating Temperature | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | °C |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | — |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | — |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Last Time Buy | Active | — |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
Engineering Selection Recommendations
Primary Substitutes for Active Production:
OPA695IDR and OPA695ID are the highest-performance substitutes, offering 4300 V/µs slew rate and 1.7 GHz bandwidth. OPA695IDR is available in Cut Tape (CT) & Digi-Reel® packaging with 8509 units in stock and Active product status, making it the preferred choice for new designs and production continuity. OPA695ID is available in Tube packaging with 1344 units in stock but carries Last Time Buy status.
OPA691IDR and OPA691ID provide 2100 V/µs slew rate and 280 MHz bandwidth, closely matching the EL5191ACSZ performance envelope. OPA691IDR is available in Tape & Reel (TR) packaging with 8406 units in stock and Active product status. OPA691ID is available in Tube packaging with 1636 units in stock and Active product status.
Secondary Substitutes:
OPA684IDR and OPA684ID offer 820 V/µs slew rate and 210 MHz bandwidth with lower supply current (1.7 mA). OPA684IDR is available in Tape & Reel (TR) packaging with 5822 units in stock and Active product status. OPA684ID is available in Tube packaging with 1418 units in stock and Active product status.
OPA683IDR and OPA683ID provide 540 V/µs slew rate and 200 MHz bandwidth with the lowest supply current (0.94 mA). OPA683IDR is available in Tape & Reel (TR) packaging with 1990 units in stock and Active product status. OPA683ID is available in Tube packaging with 3738 units in stock and Active product status.
Compliance and Availability:
All recommended substitutes maintain ROHS3 compliance and MSL 2 (1 Year) moisture sensitivity rating, matching the EL5191ACSZ specifications. All substitutes support the -40°C to 85°C operating temperature range. Tape & Reel (TR) packaging variants are preferred for automated assembly processes. All substitute parts are manufactured by Texas Instruments, an established supplier with active product support.
Frequently Asked Questions (FAQ)
Q: Can OPA683ID or OPA683IDR be used as direct replacements for the EL5191ACSZ?
A: OPA683ID and OPA683IDR are electrically compatible substitutes with identical 8-SOIC packaging and operating temperature range. However, they deliver lower bandwidth (200 MHz versus 1000 MHz) and lower slew rate (540 V/µs versus 2800 V/µs). These parts are suitable only for applications where the reduced performance specifications are acceptable.
Q: What is the difference between OPA695ID and OPA695IDR?
A: OPA695ID and OPA695IDR are electrically identical current feedback amplifiers with identical electrical specifications. The difference is packaging format: OPA695ID is supplied in Tube packaging, while OPA695IDR is supplied in Cut Tape (CT) & Digi-Reel® packaging. OPA695IDR is preferred for automated assembly processes. OPA695IDR carries Active product status with 8509 units in stock, while OPA695ID carries Last Time Buy status with 1344 units in stock.
Q: Is the OPA693ID a suitable substitute for the EL5191ACSZ?
A: No. The OPA693ID is classified as a video buffer amplifier, not a current feedback amplifier. Although it shares the 8-SOIC package and similar bandwidth specifications, its different amplifier topology makes it unsuitable for direct substitution.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in three packaging formats: Tube, Tape & Reel (TR), and Cut Tape (CT) & Digi-Reel®. Tape & Reel and Cut Tape & Digi-Reel® formats are optimized for automated assembly. Tube packaging is suitable for manual assembly or lower-volume applications.
Q: Do all substitute parts support the same supply voltage range as the EL5191ACSZ?
A: The EL5191ACSZ operates with a 5 V to 10 V supply span. All substitute parts support a minimum 5 V supply voltage. All substitute parts extend the maximum supply voltage to 12 V, providing additional design flexibility for applications requiring higher supply voltages.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All recommended substitute parts maintain ROHS3 compliance and MSL 2 (1 Year) moisture sensitivity rating, matching the EL5191ACSZ environmental specifications.
Q: Which substitute offers the closest performance match to the EL5191ACSZ?
A: OPA695IDR and OPA695ID offer the highest bandwidth (1.7 GHz) and slew rate (4300 V/µs) among available substitutes, exceeding the EL5191ACSZ specifications. OPA691IDR and OPA691ID provide more moderate performance (280 MHz bandwidth, 2100 V/µs slew rate) that closely aligns with the EL5191ACSZ operating envelope.
Q: What is the inventory status of substitute parts?
A: OPA695IDR has the highest inventory availability with 8509 units in stock and Active product status. OPA691IDR has 8406 units in stock and Active product status. OPA684IDR has 5822 units in stock and Active product status. OPA683IDR has 1990 units in stock and Active product status. All other variants have lower inventory levels but remain available.
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