AD848JR Equivalent & Substitute Parts

Part Overview

The AD848JR 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, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity. The AD848JR operates across a 9V to 36V supply span with a slew rate of 300V/µs and gain bandwidth product of 175 MHz, making it suitable for general-purpose amplification applications requiring moderate bandwidth and supply flexibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	AD848JR
Manufacturer	Analog Devices Inc.
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	1
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Slew Rate	300V/µs
Gain Bandwidth Product	175 MHz
Current - Input Bias	3.3 µA
Voltage - Input Offset	200 µV
Current - Supply	5.1 mA
Current - Output / Channel	32 mA
Voltage - Supply Span (Min)	9 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	0°C ~ 70°C
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AD848JR is determined by compatibility across the following critical parameters: package type (8-SOIC surface mount), number of circuits (1), mounting configuration, and electrical operating ranges. The substitute parts are grouped into two categories based on functional alignment:

Direct Equivalents: Parts maintaining identical or near-identical electrical specifications and amplifier classification, enabling drop-in replacement with minimal circuit redesign.

Functional Alternatives: Parts with differing amplifier types (audio or differential) or modified electrical characteristics that require circuit evaluation but operate within compatible package and supply voltage parameters.

The key parameters governing substitution eligibility are:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Number of Circuits: 1
Voltage - Supply Span compatibility
Operating Temperature range compatibility
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Parameter	AD848JR	AD848JRZ	THS4131CDR	THS4131IDR	THS4131ID	OPA1632D	OPA1632DR
Manufacturer	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	Differential	Differential	Differential	Audio	Audio
Number of Circuits	1	1	1	1	1	1	1
Package / Case	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
Slew Rate	300V/µs	300V/µs	52V/µs	52V/µs	52V/µs	50V/µs	50V/µs
Gain Bandwidth Product	175 MHz	175 MHz	225 MHz	225 MHz	225 MHz	N/A	N/A
-3dB Bandwidth	N/A	N/A	150 MHz	150 MHz	150 MHz	180 MHz	180 MHz
Current - Input Bias	3.3 µA	3.3 µA	2 µA	2 µA	2 µA	2 µA	2 µA
Voltage - Input Offset	200 µV	200 µV	200 µV	200 µV	200 µV	500 µV	500 µV
Current - Supply	5.1 mA	5.1 mA	12.3 mA	12.3 mA	12.3 mA	14 mA	14 mA
Current - Output / Channel	32 mA	32 mA	85 mA	85 mA	85 mA	85 mA	85 mA
Voltage - Supply Span (Min)	9 V	9 V	4 V	4 V	4 V	5 V	5 V
Voltage - Supply Span (Max)	36 V	36 V	33 V	33 V	33 V	32 V	32 V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Obsolete	Active	Last Time Buy	Active	Last Time Buy	Last Time Buy	Active
RoHS Status	N/A	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

AD848JRZ (Direct Equivalent - Recommended Primary Substitute)

The AD848JRZ is the direct equivalent to the AD848JR, manufactured by Analog Devices Inc. with identical electrical specifications and package configuration. This part maintains the same slew rate (300V/µs), gain bandwidth product (175 MHz), supply voltage range (9V to 36V), and operating temperature span (0°C to 70°C). The AD848JRZ carries Active product status and ROHS3 compliance, providing long-term availability and regulatory alignment. This part enables direct drop-in replacement without circuit modification.

THS4131IDR (Active Status Alternative)

The THS4131IDR is a differential amplifier from Texas Instruments with Active product status, ensuring sustained availability. This part operates within compatible supply voltage parameters (4V to 33V minimum, overlapping the AD848JR range) and shares the same 8-SOIC package. The THS4131IDR exhibits higher gain bandwidth product (225 MHz) and output current capability (85 mA versus 32 mA), with lower input bias current (2 µA versus 3.3 µA). The extended operating temperature range (-40°C to 85°C) provides broader environmental coverage. Circuit evaluation is required due to the differential amplifier topology and modified electrical characteristics.

OPA1632DR (Active Status Alternative)

The OPA1632DR is an audio amplifier from Texas Instruments with Active product status and high inventory availability (16,447 units). This part operates within compatible supply voltage parameters (5V to 32V) and shares the 8-SOIC package. The OPA1632DR provides extended operating temperature range (-40°C to 85°C) and higher output current capability (85 mA). The differential output topology and audio-specific design require circuit evaluation for compatibility with general-purpose amplification requirements.

THS4131CDR and THS4131ID (Last Time Buy Status)

The THS4131CDR and THS4131ID are differential amplifiers with Last Time Buy product status, indicating limited future availability. These parts share compatible package and supply voltage parameters but require circuit evaluation due to differential topology. Selection of these parts is appropriate only when inventory constraints or specific design requirements necessitate their use.

OPA1632D (Last Time Buy Status)

The OPA1632D is an audio amplifier with Last Time Buy status. This part shares compatible package and supply voltage parameters but carries limited availability designation. Selection is appropriate only when specific design requirements or inventory considerations justify its use.

Frequently Asked Questions (FAQ)

Q: Can the AD848JRZ be used as a direct replacement for the AD848JR?

A: Yes. The AD848JRZ is manufactured by Analog Devices Inc. and maintains identical electrical specifications, package configuration (8-SOIC), and operating parameters as the AD848JR. The primary difference is product status: AD848JRZ is Active while AD848JR is Obsolete. No circuit modification is required for substitution.

Q: What is the primary difference between the AD848JR and the THS4131 series?

A: The AD848JR is a general-purpose amplifier, while the THS4131 series (THS4131CDR, THS4131IDR, THS4131ID) are differential amplifiers. The THS4131 series exhibits higher gain bandwidth product (225 MHz versus 175 MHz), lower slew rate (52V/µs versus 300V/µs), and higher output current capability (85 mA versus 32 mA). These functional differences require circuit evaluation before substitution.

Q: Are all substitute parts available in the same 8-SOIC package?

A: Yes. All substitute parts listed operate in the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and footprint compatibility with the AD848JR.

Q: What is the significance of product status (Active, Last Time Buy, Obsolete)?

A: Product status indicates availability and manufacturer support. Active status ensures sustained production and long-term availability. Last Time Buy status indicates limited future production with a defined end-of-life date. Obsolete status indicates the part is no longer manufactured. For new designs and production continuity, Active status parts are preferred.

Q: Do all substitute parts meet RoHS3 compliance?

A: The AD848JRZ, THS4131CDR, THS4131IDR, THS4131ID, OPA1632D, and OPA1632DR all carry ROHS3 Compliant certification. The original AD848JR does not specify RoHS status. For applications requiring RoHS compliance, substitute parts provide regulatory alignment.

Q: What is the operating temperature range difference between the AD848JR and substitute parts?

A: The AD848JR operates across 0°C to 70°C. The THS4131IDR, THS4131ID, OPA1632D, and OPA1632DR extend this range to -40°C to 85°C, providing broader environmental coverage. The AD848JRZ and THS4131CDR maintain the 0°C to 70°C range.

Q: Can the OPA1632 series be used in general-purpose amplification applications?

A: The OPA1632 series is classified as audio amplifiers with differential output topology. While the 8-SOIC package and supply voltage parameters are compatible, the audio-specific design and differential output configuration require circuit evaluation to determine suitability for general-purpose amplification requirements.

Q: What is the supply voltage compatibility between the AD848JR and substitute parts?

A: The AD848JR operates across 9V to 36V. The THS4131 series operates across 4V to 33V, and the OPA1632 series operates across 5V to 32V. All substitute parts support the lower end of the AD848JR supply range (9V minimum), ensuring compatibility in applications using 9V to 32V supply voltages. Applications requiring supply voltages above 32V are limited to the AD848JR or AD848JRZ.

Q: Which substitute part offers the best long-term availability?

A: The AD848JRZ (Active status) and OPA1632DR (Active status) offer the best long-term availability. The AD848JRZ is the recommended choice for direct replacement due to identical specifications. The OPA1632DR provides high inventory availability (16,447 units) but requires circuit evaluation due to audio amplifier topology.

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