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OPA2652UG4 Equivalent & Substitute Parts
Part Overview
The OPA2652UG4 is a voltage feedback amplifier integrated circuit manufactured by Texas Instruments, configured as a dual-channel operational amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production requirements. The OPA2652UG4 operates within a 6V to 12V supply range and delivers a slew rate of 335V/µs with a gain bandwidth product of 200 MHz, making it suitable for applications requiring moderate-speed signal conditioning and amplification.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Voltage Feedback | — |
| Number of Circuits | 2 | Channels |
| Slew Rate | 335 | V/µs |
| Gain Bandwidth Product | 200 | MHz |
| -3dB Bandwidth | 700 | MHz |
| Current - Input Bias | 4 | µA |
| Voltage - Input Offset | 1.5 | mV |
| Current - Supply (per Channel) | 11 | mA |
| Current - Output per Channel | 140 | mA |
| Voltage - Supply Span (Min) | 6 | V |
| Voltage - Supply Span (Max) | 12 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 2 (1 Year) | — |
Substitute Part Grouping Explanation
Substitution of the OPA2652UG4 is determined by strict alignment of electrical and mechanical parameters within the voltage feedback amplifier category. The critical parameters governing substitution eligibility are:
Primary Substitution Criteria:
- Amplifier Type: Voltage Feedback (required match)
- Number of Circuits: 2 (required match)
- Package / Case: 8-SOIC form factor (required match)
- Mounting Type: Surface Mount (required match)
- Operating Temperature Range: Minimum -40°C and maximum ≥85°C
- Voltage Supply Span: Minimum ≤6V and maximum ≥12V
Secondary Compatibility Parameters:
- Slew Rate: 335V/µs or higher
- Gain Bandwidth Product: 200 MHz or higher
- Current - Input Bias: 4 µA or lower
- Voltage - Input Offset: 1.5 mV or lower
- Current - Supply: 11 mA per channel or lower
- Current - Output per Channel: 140 mA or higher
Substitute parts are grouped into two categories: direct equivalents (OPA2652U) and functional alternatives (AD8039 and AD8056/AD8058 series) that meet or exceed the electrical performance specifications while maintaining package compatibility.
Parameter Comparison
| Parameter | OPA2652UG4 | OPA2652U | AD8039ARZ | AD8056ARZ | AD8058ARZ |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Active | Active | Active | Active |
| Amplifier Type | Voltage Feedback | Voltage Feedback | Voltage Feedback | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 |
| Slew Rate (V/µs) | 335 | 335 | 425 | 1400 | 1150 |
| Gain Bandwidth Product (MHz) | 200 | 200 | — | — | — |
| -3dB Bandwidth (MHz) | 700 | 700 | 350 | 300 | 325 |
| Current - Input Bias (µA) | 4 | 4 | 0.4 | 0.4 | 0.5 |
| Voltage - Input Offset (mV) | 1.5 | 1.5 | 0.5 | 3 | 1 |
| Current - Supply (mA) | 11 (x2) | 11 (x2) | 1 (x2) | 10 | 14 |
| Current - Output per Channel (mA) | 140 | 140 | — | 60 | — |
| Voltage - Supply Span Min (V) | 6 | 6 | 3 | 8 | 3 |
| Voltage - Supply Span Max (V) | 12 | 12 | 12 | 12 | 12 |
| Operating Temperature Range (°C) | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 2 (1 Year) | 2 (1 Year) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Direct Equivalent (Recommended Primary Substitute):
The OPA2652U is the manufacturer-recommended direct equivalent for the obsolete OPA2652UG4. This part maintains identical electrical specifications including slew rate (335V/µs), gain bandwidth product (200 MHz), and -3dB bandwidth (700 MHz). The OPA2652U is currently in active production status with 5220 units in stock, ensuring supply continuity. Both parts share the same base product number (OPA2652) and are ROHS3 compliant. The primary difference is packaging format: OPA2652U is supplied in tube packaging, whereas OPA2652UG4 was supplied in tape and reel format. This substitution requires no circuit redesign and maintains full electrical and thermal performance characteristics.
Functional Alternatives (Secondary Substitutes):
The AD8039ARZ series (AD8039ARZ, AD8039ARZ-REEL, AD8039ARZ-REEL7, AD8039SRZ-EPR7) from Analog Devices Inc. provides enhanced performance characteristics with higher slew rate (425V/µs) and lower input bias current (400 nA versus 4 µA). However, the -3dB bandwidth is reduced to 350 MHz. These parts are suitable for applications where lower input bias current and higher slew rate are beneficial, provided the reduced bandwidth does not impact system performance. All AD8039 variants are active products with substantial inventory availability and feature improved moisture sensitivity (MSL 1 versus MSL 2).
The AD8056ARZ series (AD8056ARZ, AD8056ARZ-REEL, AD8056ARZ-REEL7) offers significantly higher slew rate (1400V/µs) and extended operating temperature range (-40°C to 125°C). However, this series requires a minimum supply voltage of 8V (versus 6V for OPA2652UG4) and delivers lower output current per channel (60 mA versus 140 mA). Selection of AD8056 variants is appropriate only for applications with 8V minimum supply availability and lower output current requirements.
The AD8058ARZ and AD8058ARZ-REEL7 provide intermediate performance with 1150V/µs slew rate and 325 MHz bandwidth. These parts maintain the 3V minimum supply voltage specification and are suitable for applications requiring higher slew rate than OPA2652UG4 while preserving low-voltage operation capability.
All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can OPA2652U directly replace OPA2652UG4 without circuit modification?
A: Yes. The OPA2652U is the manufacturer-recommended direct equivalent with identical electrical specifications. The only difference is packaging format (tube versus tape and reel). No circuit redesign is required.
Q: What is the primary reason for substituting OPA2652UG4?
A: The OPA2652UG4 is classified as obsolete. The OPA2652U provides continued access to equivalent performance in an active product with reliable supply.
Q: Are the AD8039 series parts suitable replacements for all OPA2652UG4 applications?
A: The AD8039 series meets the core substitution criteria (voltage feedback, dual-channel, 8-SOIC package, -40°C to 85°C operation, 6V to 12V supply range). However, the -3dB bandwidth is reduced from 700 MHz to 350 MHz. Substitution is appropriate only for applications where this bandwidth reduction does not degrade system performance.
Q: What are the key differences between AD8056 and OPA2652UG4?
A: The AD8056 offers higher slew rate (1400V/µs versus 335V/µs) and extended temperature range (-40°C to 125°C). However, it requires a minimum supply voltage of 8V (versus 6V) and provides lower output current per channel (60 mA versus 140 mA). These differences may limit applicability in designs with 6V supply or high output current requirements.
Q: Do all substitute parts maintain ROHS3 compliance?
A: Yes. All substitute parts listed (OPA2652U, AD8039 series, AD8056 series, AD8058 series) are ROHS3 compliant and REACH unaffected.
Q: What is the moisture sensitivity difference between OPA2652UG4 and Analog Devices substitutes?
A: The OPA2652UG4 has MSL 2 (1 Year), while all Analog Devices substitutes (AD8039, AD8056, AD8058) have MSL 1 (Unlimited). This represents improved moisture tolerance in the substitute parts.
Q: Are there packaging format options for substitute parts?
A: Yes. The OPA2652U is available in tube packaging. The AD8039 series is available in tube (AD8039ARZ) and cut tape/digi-reel formats (AD8039ARZ-REEL, AD8039ARZ-REEL7). The AD8056 series is available in tube and tape/reel formats. The AD8058 series is available in tube and cut tape/digi-reel formats. Selection depends on assembly process requirements.
Q: Can AD8058 replace OPA2652UG4 in a 6V supply application?
A: Yes. The AD8058 maintains the 3V minimum supply voltage specification, making it compatible with 6V supply designs. However, the -3dB bandwidth (325 MHz) is lower than OPA2652UG4 (700 MHz), and supply current is higher (14 mA versus 11 mA per channel).
Q: What inventory status should influence substitution decisions?
A: The OPA2652U has 5220 units in stock, providing reliable supply for direct replacement. The AD8039 series has substantial inventory (3220 to 18292 units depending on variant), and the AD8056/AD8058 series have 1360 to 3165 units available. All substitutes have sufficient inventory for production requirements.
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