OP183GSZ Equivalent & Substitute Parts

Part Overview

The OP183GSZ is a general purpose operational amplifier manufactured by Analog Devices Inc., housed in an 8-SOIC surface mount package. This device is classified as obsolete, indicating it is no longer in active production. The OP183GSZ provides a single amplifier circuit with moderate performance characteristics suitable for general signal conditioning and amplification applications. Due to its obsolete status, equivalent and substitute parts are necessary for new designs, production continuity, and long-term system support.

Key Parameters

Parameter	OP183GSZ	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	15	V/µs
Gain Bandwidth Product	5	MHz
Current - Input Bias	300	nA
Voltage - Input Offset	10	µV
Current - Supply	1.2	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the OP183GSZ is determined by compatibility across the following critical parameters: amplifier type (general purpose), number of circuits (single channel), package form factor (8-SOIC surface mount), and electrical performance envelope (slew rate, gain bandwidth product, input bias current, supply voltage range, and operating temperature).

Substitute parts are grouped into two categories:

Direct Functional Equivalents (General Purpose Amplifiers): Parts that maintain the same amplifier type classification and single-circuit configuration within the 8-SOIC package. These include the LT1007CS8#TRPBF, LT1037CS8#PBF, LT1037CS8#TRPBF, LT1037IS8#PBF, and LT1037IS8#TRPBF. These devices preserve the core functionality and package compatibility of the OP183GSZ while offering active product status and modern compliance certifications.

Alternative Amplifier Architectures: Parts that differ in amplifier type (J-FET, differential, or CMOS) but maintain the 8-SOIC package and single-circuit configuration. These include the AD8610ARZ (J-FET), INA149AID (differential), and LMC6042AIMX/NOPB (CMOS dual-channel). These alternatives are suitable when the application permits different input impedance characteristics or performance trade-offs.

Cross-Manufacturer Options: The OPA131UA (Texas Instruments) provides general purpose amplification in the 8-SOIC package with active product status. The TLV2774AIPW represents a multi-channel CMOS alternative in a different package form factor (14-TSSOP).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA/pA)	Input Offset (µV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
OP183GSZ	Analog Devices	General Purpose	1	15	5	300 nA	10	3	36	-40 to 85	8-SOIC	Obsolete
LT1037CS8#TRPBF	Analog Devices	General Purpose	1	15	60	15 nA	20	8	36	0 to 70	8-SOIC	Active
LT1037IS8#TRPBF	Analog Devices	General Purpose	1	15	60	15 nA	20	8	36	-40 to 85	8-SOIC	Active
LT1037IS8#PBF	Analog Devices	General Purpose	1	15	60	15 nA	20	8	36	-40 to 85	8-SOIC	Active
LT1037CS8#PBF	Analog Devices	General Purpose	1	15	60	15 nA	20	8	36	0 to 70	8-SOIC	Active
LT1007CS8#TRPBF	Analog Devices	General Purpose	1	2.5	8	15 nA	20	8	36	0 to 70	8-SOIC	Active
OPA131UA	Texas Instruments	General Purpose	1	10	4	5 pA	200	9	36	-40 to 85	8-SOIC	Active
AD8610ARZ	Analog Devices	J-FET	1	60	25	3 pA	85	10	26	-40 to 125	8-SOIC	Active
INA149AID	Texas Instruments	Differential	1	5	—	—	350	4	36	-40 to 125	8-SOIC	Active
LMC6042AIMX/NOPB	Texas Instruments	CMOS	2	0.02	0.1	0.002 pA	1000	4.5	15.5	-40 to 85	8-SOIC	Active
TLV2774AIPW	Texas Instruments	CMOS	4	10.5	5.1	2 pA	700	2.5	5.5	-40 to 125	14-TSSOP	Last Time Buy

Engineering Selection Recommendations

For Direct Replacement (Same Functional Class):

The LT1037IS8#TRPBF and LT1037IS8#PBF are the primary recommended substitutes for the OP183GSZ. Both devices maintain general purpose amplifier classification, single-circuit configuration, and 8-SOIC package compatibility. The LT1037 series offers superior gain bandwidth product (60 MHz versus 5 MHz), lower input bias current (15 nA versus 300 nA), and extended operating temperature range matching the original (-40°C to 85°C). Both parts carry ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). The LT1037IS8#TRPBF is supplied in Tape & Reel packaging with 1900 units in stock, while the LT1037IS8#PBF is supplied in Tube packaging with 1300 units in stock.

The LT1037CS8#TRPBF and LT1037CS8#PBF provide identical electrical performance to the LT1037IS variants but operate over a narrower temperature range (0°C to 70°C). These are suitable for applications not requiring the extended low-temperature specification. The LT1037CS8#TRPBF has the highest inventory availability at 3845 units.

For Applications Requiring Lower Slew Rate:

The LT1007CS8#TRPBF offers general purpose amplification with lower slew rate (2.5 V/µs) and reduced gain bandwidth product (8 MHz), suitable for applications where bandwidth constraints are beneficial. This device maintains 8-SOIC package compatibility and ROHS3 compliance with 1302 units in stock.

For Cross-Manufacturer Compatibility:

The OPA131UA (Texas Instruments) provides general purpose amplification in the 8-SOIC package with active product status and ROHS3 compliance. This device operates over the same temperature range as the OP183GSZ (-40°C to 85°C) with 1827 units in stock. The OPA131UA exhibits lower slew rate (10 V/µs) and gain bandwidth product (4 MHz) compared to the LT1037 series.

For Alternative Architectures:

The AD8610ARZ (J-FET amplifier) is suitable when applications require extremely low input bias current (3 pA) and extended operating temperature range (-40°C to 125°C). This device offers significantly higher slew rate (60 V/µs) and gain bandwidth product (25 MHz) but requires minimum supply voltage of 10 V. The AD8610ARZ carries ROHS3 compliance with 2100 units in stock.

Compliance and Certification Status:

All recommended active substitutes carry ROHS3 compliance and REACH Unaffected status. The OP183GSZ original part carries no RoHS certification due to its obsolete status. Moisture sensitivity level is MSL 1 (unlimited) for all Analog Devices substitutes, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the LT1037 series directly replace the OP183GSZ without circuit modification?

A: The LT1037 series maintains electrical compatibility within the 8-SOIC package and general purpose amplifier classification. However, the minimum supply voltage requirement increases from 3 V to 8 V. Circuits designed for operation below 8 V supply voltage require redesign. The superior gain bandwidth product (60 MHz versus 5 MHz) and lower input bias current (15 nA versus 300 nA) may require compensation network adjustments in high-frequency applications.

Q: What is the difference between LT1037CS8 and LT1037IS8 variants?

A: The primary difference is operating temperature range. The LT1037CS8 operates from 0°C to 70°C (commercial grade), while the LT1037IS8 operates from -40°C to 85°C (industrial grade). Both variants are available in Tube (#PBF) and Tape & Reel (#TRPBF) packaging. Select the temperature grade matching your application requirements.

Q: Why does the AD8610ARZ require a higher minimum supply voltage?

A: The AD8610ARZ is a J-FET input amplifier architecture, which requires higher bias current levels for proper operation compared to bipolar input stages. The 10 V minimum supply voltage specification reflects the internal circuit topology requirements of this architecture.

Q: Is the TLV2774AIPW a suitable substitute despite the different package?

A: The TLV2774AIPW is a 4-channel CMOS amplifier in a 14-TSSOP package, representing a different form factor from the 8-SOIC OP183GSZ. This part is suitable only for new designs where the multi-channel configuration and different package footprint can be accommodated. It is not suitable for direct board-level replacement of the OP183GSZ.

Q: What does "Last Time Buy" status mean for the TLV2774AIPW?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this product. While currently available (806 units in stock), no further production is planned. This part should not be selected for new long-term production designs. The LT1037 series or OPA131UA are preferred for new designs requiring extended product availability.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed carry ROHS3 compliance certification. The original OP183GSZ, being obsolete, does not carry RoHS certification. For applications requiring RoHS compliance, any of the active substitute parts satisfy this requirement.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: MSL 1 (Unlimited) indicates the component can be stored indefinitely without moisture bake-out requirements prior to soldering. MSL 2 (1 Year) requires moisture bake-out if the component has been exposed to ambient humidity for more than one year. All Analog Devices substitutes carry MSL 1 rating, ensuring compatibility with standard supply chain practices.

Q: Can I use the INA149AID as a general purpose amplifier replacement?

A: The INA149AID is a differential amplifier, not a general purpose amplifier. While it shares the 8-SOIC package and single-circuit configuration, its internal architecture is optimized for differential signal measurement. It is suitable only for applications specifically requiring differential amplification with high common-mode rejection.

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