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OP282GS-REEL7 Equivalent & Substitute Parts
Part Overview
The OP282GS-REEL7 is a J-FET operational amplifier with dual-circuit configuration in 8-SOIC surface mount packaging, manufactured by Analog Devices Inc. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The OP282GS-REEL7 serves applications requiring low input bias current, low input offset voltage, and moderate bandwidth in dual-channel amplifier configurations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Amplifier Type | J-FET |
| Number of Circuits | 2 |
| Slew Rate | 9 V/µs |
| Gain Bandwidth Product | 4 MHz |
| Current - Input Bias | 3 pA |
| Voltage - Input Offset | 200 µV |
| Current - Supply | 210 µA (x2 Channels) |
| Current - Output / Channel | 10 mA |
| Voltage - Supply Span (Min) | 9 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the OP282GS-REEL7 is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:
Critical Parameters for Substitution:
- Amplifier Type: J-FET configuration
- Number of Circuits: Dual-channel (2 circuits)
- Package / Case: 8-SOIC form factor
- Mounting Type: Surface Mount
- Voltage Supply Range: Minimum 9 V to maximum 36 V overlap
- Operating Temperature Range: Compatibility with -40°C ~ 85°C
- Input Bias Current: 3 pA or lower
- Input Offset Voltage: 200 µV or lower
- Slew Rate: 9 V/µs or higher
- Gain Bandwidth Product: 4 MHz or higher
Substitutes are grouped into two categories:
Direct Equivalent: OP282GSZ-REEL7 maintains identical electrical specifications and differs only in packaging format and product status (Active vs. Obsolete).
Similar Alternatives: LT1057 and LT1113 series devices provide J-FET dual-channel amplification in 8-SOIC packaging with enhanced performance characteristics, though with variations in supply current, slew rate, and input bias current specifications.
Cross-Manufacturer Alternative: LF253DT from STMicroelectronics provides J-FET dual-channel amplification in 8-SOIC packaging with superior slew rate and output current capability.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OP282GS-REEL7 | Analog Devices | Obsolete | 9 | 4 | 3 | 200 | 210 | 10 | 9 | 36 | -40 ~ 85 | 8-SOIC |
| OP282GSZ-REEL7 | Analog Devices | Active | 9 | 4 | 3 | 200 | 210 | 10 | 9 | 36 | -40 ~ 85 | 8-SOIC |
| LT1057IS8#PBF | Analog Devices | Active | 13 | 5 | 7 | 220 | 1700 | N/A | 20 | 36 | -40 ~ 85 | 8-SOIC |
| LT1057IS8#TRPBF | Analog Devices | Active | 13 | 5 | 7 | 220 | 1700 | N/A | 20 | 36 | -40 ~ 85 | 8-SOIC |
| LT1057S8#PBF | Analog Devices | Active | 13 | 5 | 7 | 220 | 1700 | N/A | 20 | 36 | 0 ~ 70 | 8-SOIC |
| LT1057S8#TRPBF | Analog Devices | Active | 13 | 5 | 7 | 220 | 1700 | N/A | 20 | 36 | 0 ~ 70 | 8-SOIC |
| LT1113CS8#PBF | Analog Devices | Active | 3.9 | 5.6 | 300 | 550 | 5300 | N/A | 9 | 40 | -40 ~ 85 | 8-SOIC |
| LT1113CS8#TRPBF | Analog Devices | Active | 3.9 | 5.6 | 300 | 550 | 5300 | N/A | 9 | 40 | -40 ~ 85 | 8-SOIC |
| LT1169CS8#PBF | Analog Devices | Active | 4.2 | 5.3 | 4 | 600 | 5300 | N/A | 9 | 40 | 0 ~ 70 | 8-SOIC |
| LT1169CS8#TRPBF | Analog Devices | Active | 4.2 | 5.3 | 4 | 600 | 5300 | N/A | 9 | 40 | 0 ~ 70 | 8-SOIC |
| LF253DT | STMicroelectronics | Active | 16 | 4 | 20 | 3000 | 1400 | 40 | 6 | 36 | -40 ~ 105 | 8-SOIC |
Engineering Selection Recommendations
Direct Replacement (Recommended for Obsolete Part Mitigation):
OP282GSZ-REEL7 is the primary direct equivalent. This part maintains identical electrical specifications and mechanical compatibility with the OP282GS-REEL7. The device is Active in product status, ensuring long-term availability and supply chain continuity. OP282GSZ-REEL7 carries ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements. Packaging differs only in format (Cut Tape & Digi-Reel® versus Reel), which does not affect electrical performance or PCB integration.
Performance-Enhanced Alternatives (When Specifications Allow):
LT1057 series devices (LT1057IS8#PBF, LT1057IS8#TRPBF, LT1057S8#PBF, LT1057S8#TRPBF) provide improved slew rate (13 V/µs) and gain bandwidth product (5 MHz) compared to the OP282GS-REEL7. These devices maintain J-FET architecture and dual-circuit configuration in 8-SOIC packaging. All variants are Active in product status with ROHS3 compliance. Temperature range variants exist: industrial grade (-40°C ~ 85°C) and commercial grade (0°C ~ 70°C). Supply current is significantly higher (1.7 mA vs. 210 µA), which may impact power budget in battery-operated applications.
LT1113 series devices (LT1113CS8#PBF, LT1113CS8#TRPBF) and LT1169 series devices (LT1169CS8#PBF, LT1169CS8#TRPBF) offer extended supply voltage range (9 V to 40 V) and higher gain bandwidth product (5.3 to 5.6 MHz). These alternatives exhibit higher supply current consumption (5.3 mA) and higher input offset voltage (550 to 600 µV), making them suitable for applications where power consumption and precision offset are not critical constraints.
Cross-Manufacturer Alternative:
LF253DT from STMicroelectronics provides J-FET dual-channel amplification in 8-SOIC packaging with superior slew rate (16 V/µs) and output current capability (40 mA). This device operates across an extended temperature range (-40°C ~ 105°C) and supports lower minimum supply voltage (6 V). LF253DT carries ROHS3 compliance and REACH Unaffected status. Input bias current (20 pA) and input offset voltage (3 mV) are higher than the OP282GS-REEL7, requiring circuit-level evaluation for precision applications.
Frequently Asked Questions (FAQ)
Q: Can OP282GSZ-REEL7 be used as a direct drop-in replacement for OP282GS-REEL7?
A: Yes. OP282GSZ-REEL7 maintains identical electrical specifications, operating temperature range, and 8-SOIC package form factor. The only difference is packaging format (Cut Tape & Digi-Reel® versus Reel) and product status (Active versus Obsolete). No circuit modifications are required.
Q: What are the key differences between OP282GS-REEL7 and LT1057 series devices?
A: LT1057 devices provide higher slew rate (13 V/µs vs. 9 V/µs) and higher gain bandwidth product (5 MHz vs. 4 MHz). However, supply current is approximately 8 times higher (1.7 mA vs. 210 µA). Input bias current is slightly higher (7 pA vs. 3 pA). Minimum supply voltage is higher (20 V vs. 9 V). These differences make LT1057 suitable for applications prioritizing speed over power efficiency.
Q: Is LF253DT compatible with OP282GS-REEL7 in all applications?
A: LF253DT shares the same 8-SOIC package and dual J-FET amplifier architecture. However, input bias current (20 pA) and input offset voltage (3 mV) are significantly higher than OP282GS-REEL7 (3 pA and 200 µV respectively). Applications requiring precision input signal conditioning may require circuit redesign. LF253DT is suitable for general-purpose amplification where input precision is not critical.
Q: What is the significance of the minimum supply voltage difference between OP282GS-REEL7 and LT1057 devices?
A: OP282GS-REEL7 operates with a minimum supply voltage of 9 V, while LT1057 devices require a minimum of 20 V. This means LT1057 cannot be used in circuits designed for single-supply operation below 20 V. Dual-supply operation (±10 V) is compatible with both devices.
Q: Are all substitute parts ROHS3 compliant?
A: OP282GSZ-REEL7, LT1057 series, LT1113 series, LT1169 series, and LF253DT are all ROHS3 compliant. The original OP282GS-REEL7 (Obsolete) does not carry ROHS3 certification. For new designs and production requiring regulatory compliance, use only Active-status alternatives with ROHS3 certification.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Cut Tape (CT) & Digi-Reel®, Tube, and Tape & Reel (TR). All variants maintain the same 8-SOIC physical form factor and electrical specifications. Packaging selection depends on production volume and assembly equipment compatibility, not electrical performance.
Q: Can LT1113 or LT1169 devices replace OP282GS-REEL7 in precision measurement circuits?
A: LT1113 and LT1169 devices have higher input offset voltage (550 to 600 µV vs. 200 µV) and higher input bias current (300 to 4 pA vs. 3 pA). These characteristics make them less suitable for precision measurement applications where input offset voltage must be minimized. OP282GSZ-REEL7 or LT1057 series are better choices for precision applications.
Q: What is the impact of supply current differences on circuit design?
A: OP282GS-REEL7 draws 210 µA per dual-channel package, while LT1057 draws 1.7 mA and LT1113/LT1169 draw 5.3 mA. In battery-powered applications, this difference directly impacts battery life. In AC-powered applications, higher supply current increases heat dissipation and may require larger power supply capacity. Circuit design must account for these differences in power budget calculations.
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