AD848JRZ-REEL Equivalent & Substitute Parts

Part Overview

The AD848JRZ-REEL 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 AD848JRZ-REEL delivers a slew rate of 300V/µs and gain bandwidth product of 175 MHz, suitable for general-purpose amplification applications requiring moderate to high-speed performance.

Key Parameters

Parameter	Value
Manufacturer Part Number	AD848JRZ-REEL
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 AD848JRZ-REEL is determined by compatibility across the following critical parameters: package type (8-SOIC surface mount), number of circuits (1), mounting configuration, and electrical performance specifications including slew rate, bandwidth, input bias current, input offset voltage, supply current, output current capability, and supply voltage range.

The substitute parts identified fall into two functional categories:

Category 1: Differential Amplifiers (THS4131 Series) The THS4131CDR, THS4131CD, THS4131ID, and THS4131IDR represent differential amplifier variants with enhanced slew rate (52V/µs), higher gain bandwidth product (225 MHz), and differential output configuration. These devices maintain the 8-SOIC package format and operate within compatible supply voltage ranges (4V to 33V).

Category 2: Audio Amplifiers (OPA1632 Series) The OPA1632D and OPA1632DR are audio-grade amplifiers with differential output configuration, 50V/µs slew rate, and 180 MHz bandwidth. These devices support supply voltages from 5V to 32V and are housed in the same 8-SOIC package.

Category 3: Differential Amplifiers (THS4130 Series) The THS4130ID is a differential amplifier with 52V/µs slew rate, 225 MHz gain bandwidth product, and 150 MHz -3dB bandwidth, operating across 4V to 33V supply range in 8-SOIC packaging.

All substitute parts maintain identical package geometry, single-circuit configuration, and surface mount compatibility with the original AD848JRZ-REEL.

Parameter Comparison

Parameter	AD848JRZ-REEL	THS4131CDR	THS4131CD	THS4131ID	THS4131IDR	THS4130ID	OPA1632D	OPA1632DR
Manufacturer	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	Differential	Differential	Differential	Differential	Differential	Audio	Audio
Number of Circuits	1	1	1	1	1	1	1	1
Package / Case	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
Slew Rate	300V/µs	52V/µs	52V/µs	52V/µs	52V/µs	52V/µs	50V/µs	50V/µs
Gain Bandwidth Product	175 MHz	225 MHz	225 MHz	225 MHz	225 MHz	225 MHz	—	—
-3dB Bandwidth	—	150 MHz	150 MHz	150 MHz	150 MHz	150 MHz	180 MHz	180 MHz
Current - Input Bias	3.3 µA	2 µA	2 µA	2 µA	2 µA	2 µA	2 µA	2 µA
Voltage - Input Offset	200 µV	200 µV	200 µV	200 µV	200 µV	200 µV	500 µV	500 µV
Current - Supply	5.1 mA	12.3 mA	12.3 mA	12.3 mA	12.3 mA	12.3 mA	14 mA	14 mA
Current - Output / Channel	32 mA	85 mA	85 mA	85 mA	85 mA	85 mA	85 mA	85 mA
Voltage - Supply Span (Min)	9 V	4 V	4 V	4 V	4 V	4 V	5 V	5 V
Voltage - Supply Span (Max)	36 V	33 V	33 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	-40°C ~ 85°C
Product Status	Obsolete	Last Time Buy	Last Time Buy	Last Time Buy	Active	Obsolete	Last Time Buy	Active
RoHS Status	—	ROHS3 Compliant	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)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: THS4131IDR

The THS4131IDR is the preferred substitute for the AD848JRZ-REEL. This device is currently in Active product status, ensuring long-term availability and supply chain stability. The THS4131IDR maintains the 8-SOIC package format and single-circuit configuration identical to the original part. It achieves higher gain bandwidth product (225 MHz versus 175 MHz) and enhanced output current capability (85 mA versus 32 mA). The device is ROHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements. Operating temperature range extends to -40°C to 85°C, providing broader environmental coverage than the original 0°C to 70°C specification. Supply voltage compatibility spans 4V to 33V, encompassing the original 9V to 36V range with lower minimum threshold.

Secondary Recommendation: OPA1632DR

The OPA1632DR serves as an alternative substitute with Active product status and highest inventory availability (16,447 pieces). This audio-grade amplifier operates within 5V to 32V supply range and delivers 180 MHz bandwidth with 50V/µs slew rate. The device is ROHS3 compliant and REACH unaffected. Extended operating temperature range (-40°C to 85°C) and differential output configuration provide enhanced performance characteristics. Higher input offset voltage (500 µV versus 200 µV) and increased supply current (14 mA versus 5.1 mA) represent trade-offs requiring circuit evaluation.

Tertiary Recommendation: THS4131ID

The THS4131ID provides substantial inventory availability (65,880 pieces) with Last Time Buy status. This differential amplifier matches the electrical performance of THS4131IDR with identical slew rate (52V/µs), gain bandwidth product (225 MHz), and output current (85 mA). Extended operating temperature range (-40°C to 85°C) and ROHS3 compliance support modern design requirements. Tube packaging format requires consideration for automated assembly processes.

Obsolete Alternatives: THS4130ID

The THS4130ID is classified as Obsolete and should not be selected for new designs despite technical compatibility. This device exhibits identical electrical performance to the THS4131 series but lacks long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can the THS4131CDR directly replace the AD848JRZ-REEL in existing designs?

A: The THS4131CDR maintains identical 8-SOIC package geometry and single-circuit configuration, enabling direct physical substitution. However, functional differences require circuit evaluation. The THS4131CDR operates as a differential amplifier with differential output, whereas the AD848JRZ-REEL is a general-purpose amplifier. Supply voltage range compatibility (4V to 33V encompasses 9V to 36V) and enhanced output current (85 mA versus 32 mA) support most applications. Input offset voltage remains identical at 200 µV. Last Time Buy status indicates limited future availability.

Q: What are the key electrical differences between the AD848JRZ-REEL and THS4131IDR?

A: The THS4131IDR exhibits higher gain bandwidth product (225 MHz versus 175 MHz), lower input bias current (2 µA versus 3.3 µA), and significantly higher output current capability (85 mA versus 32 mA). Slew rate is lower (52V/µs versus 300V/µs), which may impact high-frequency transient response in specific applications. Supply current increases from 5.1 mA to 12.3 mA. Operating temperature range expands from 0°C to 70°C to -40°C to 85°C. All devices maintain 200 µV input offset voltage and 8-SOIC packaging.

Q: Is the OPA1632DR suitable for applications originally designed for the AD848JRZ-REEL?

A: The OPA1632DR provides functional substitution with identical 8-SOIC package and single-circuit configuration. This audio-grade amplifier delivers 180 MHz bandwidth and 50V/µs slew rate, supporting most general-purpose amplification requirements. Input offset voltage increases to 500 µV, requiring offset compensation evaluation in precision applications. Supply current rises to 14 mA. Output current capability matches THS4131 series at 85 mA. Supply voltage range (5V to 32V) encompasses the original 9V to 36V specification with higher minimum threshold. Active product status ensures long-term availability.

Q: Why is the THS4131IDR recommended over THS4131CD?

A: Both devices share identical electrical specifications and 8-SOIC packaging. The THS4131IDR is classified as Active product status, guaranteeing continued manufacturing and supply availability. The THS4131CD is Last Time Buy status, indicating production discontinuation and limited future procurement options. For new designs and long-term production requirements, Active status components provide superior supply chain reliability.

Q: What packaging options are available for THS4131 series substitutes?

A: The THS4131 series is available in multiple packaging formats: THS4131CDR (Cut Tape and Digi-Reel), THS4131CD (Tube), THS4131IDR (unspecified packaging), and THS4131ID (Tube). All variants maintain identical 8-SOIC (0.154", 3.90mm Width) case geometry. Packaging selection depends on assembly process requirements: reel formats support automated pick-and-place equipment, while tube packaging accommodates manual or semi-automated assembly. THS4131IDR is recommended for automated high-volume production due to reel compatibility.

Q: Are all substitute parts RoHS and REACH compliant?

A: All Texas Instruments substitute parts (THS4131 series and OPA1632 series) are ROHS3 compliant and REACH unaffected. The original AD848JRZ-REEL does not specify RoHS status. Modern design requirements and regulatory frameworks necessitate RoHS3 compliance for new component selection. All substitute parts meet these environmental and regulatory standards.

Q: What is the moisture sensitivity level for substitute parts?

A: All substitute parts maintain Moisture Sensitivity Level (MSL) 1 (Unlimited), identical to the original AD848JRZ-REEL. This classification indicates no moisture sensitivity restrictions and unlimited shelf life under standard storage conditions. No special moisture control measures are required during handling, storage, or assembly.

Q: Can multiple substitute parts be used interchangeably within the same production run?

A: Physical interchangeability is confirmed for all substitute parts due to identical 8-SOIC package geometry and single-circuit configuration. However, electrical performance variations require design validation. The THS4131 series (52V/µs slew rate, 225 MHz bandwidth) and OPA1632 series (50V/µs slew rate, 180 MHz bandwidth) exhibit different frequency response characteristics. Input offset voltage differs between THS4131/THS4130 (200 µV) and OPA1632 (500 µV) variants. Supply current ranges from 12.3 mA to 14 mA across substitutes versus 5.1 mA original. Mixing substitute parts within single production runs requires circuit-level compatibility verification and documented design change control.

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