ADA4610-2ARZ Equivalent & Substitute Parts

Part Overview

The ADA4610-2ARZ is a J-FET input operational amplifier manufactured by Analog Devices Inc., configured as a dual-channel (2 circuit) rail-to-rail output device in an 8-SOIC surface mount package. This device is classified as Active product status and is ROHS3 compliant. The ADA4610-2ARZ is utilized in applications requiring high input impedance, low input bias current, and fast slew rate performance. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	ADA4610-2ARZ	—
Manufacturer	Analog Devices Inc.	—
Category	Linear, Amplifiers	—
Amplifier Type	J-FET	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	61	V/µs
Gain Bandwidth Product	16.3	MHz
Current - Input Bias	5	pA
Voltage - Input Offset	400	µV
Current - Supply	1.6	mA (x2 Channels)
Current - Output / Channel	79	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	-40 to 125	°C
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts for the ADA4610-2ARZ are identified based on the following critical parameters that define functional equivalence:

Primary Substitution Criteria:

Number of Circuits: 2 (dual-channel configuration)
Output Type: Rail-to-Rail
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Product Status: Active
RoHS Compliance: ROHS3 Compliant

Secondary Electrical Parameters for Compatibility Assessment:

Slew Rate: 61 V/µs (ADA4610-2ARZ baseline)
Gain Bandwidth Product: 16.3 MHz (ADA4610-2ARZ baseline)
Current - Input Bias: 5 pA (ADA4610-2ARZ baseline)
Voltage - Supply Span: 10 V to 30 V (ADA4610-2ARZ baseline)
Operating Temperature Range: -40°C to 125°C (ADA4610-2ARZ baseline)

The substitute parts listed below are organized by amplifier type and electrical performance characteristics. LT1498 series devices are General Purpose amplifiers with lower slew rates and gain bandwidth products compared to the J-FET ADA4610-2ARZ. LT1678 series devices are General Purpose amplifiers with higher gain bandwidth products (20 MHz) and lower input bias currents (2 nA) than the ADA4610-2ARZ. All substitute parts maintain the dual-channel configuration, rail-to-rail output, 8-SOIC package, surface mount technology, Active product status, and ROHS3 compliance.

Parameter Comparison

Parameter	ADA4610-2ARZ	LT1498CS8#PBF	LT1498CS8#TRPBF	LT1498HS8#PBF	LT1498IS8#PBF	LT1498IS8#TRPBF	LT1498MPS8#PBF	LT1678CS8#PBF	LT1678CS8#TRPBF	LT1678IS8#PBF	LT1678IS8#TRPBF
Amplifier Type	J-FET	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	61	6	6	6	6	6	6	6	6	6	6
Gain Bandwidth Product (MHz)	16.3	10.5	10.5	10.5	10.5	10.5	10.5	20	20	20	20
Current - Input Bias (pA)	5	250000	250000	250000	250000	250000	250000	2	2	2	2
Voltage - Input Offset (µV)	400	200	200	200	200	200	200	20	20	20	20
Current - Supply (mA x2 Channels)	1.6	1.8	1.8	1.8	1.8	1.8	1.8	2.5	2.5	2.5	2.5
Current - Output / Channel (mA)	79	30	30	30	30	30	30	35	35	35	35
Voltage - Supply Span Min (V)	10	2.2	2.2	2.2	2.2	2.2	2.2	2.7	2.7	2.7	2.7
Voltage - Supply Span Max (V)	30	36	36	36	36	36	36	36	36	36	36
Operating Temperature (°C)	-40 to 125	0 to 70	0 to 70	-40 to 125	-40 to 85	-40 to 85	-55 to 125	-40 to 85	-40 to 85	-40 to 85	-40 to 85
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory and supply chain continuity with the ADA4610-2ARZ.

LT1498 Series Selection (LT1498CS8#PBF, LT1498CS8#TRPBF, LT1498HS8#PBF, LT1498IS8#PBF, LT1498IS8#TRPBF, LT1498MPS8#PBF):

The LT1498 series comprises General Purpose amplifiers with identical dual-channel, rail-to-rail, 8-SOIC surface mount configuration. These devices exhibit lower slew rate (6 V/µs versus 61 V/µs) and lower gain bandwidth product (10.5 MHz versus 16.3 MHz) compared to the ADA4610-2ARZ. Input bias current is significantly higher (250 nA versus 5 pA). Supply voltage minimum is lower (2.2 V versus 10 V), while maximum supply voltage is higher (36 V versus 30 V). Output current per channel is lower (30 mA versus 79 mA). Temperature range variants are available: LT1498CS8#PBF and LT1498CS8#TRPBF operate 0°C to 70°C; LT1498HS8#PBF operates -40°C to 125°C; LT1498IS8#PBF and LT1498IS8#TRPBF operate -40°C to 85°C; LT1498MPS8#PBF operates -55°C to 125°C. Packaging variants include Tube and Cut Tape (CT) & Digi-Reel® options.

LT1678 Series Selection (LT1678CS8#PBF, LT1678CS8#TRPBF, LT1678IS8#PBF, LT1678IS8#TRPBF):

The LT1678 series comprises General Purpose amplifiers with identical dual-channel, rail-to-rail, 8-SOIC surface mount configuration. These devices exhibit lower slew rate (6 V/µs versus 61 V/µs) but higher gain bandwidth product (20 MHz versus 16.3 MHz) compared to the ADA4610-2ARZ. Input bias current is significantly lower (2 nA versus 5 pA) and input offset voltage is substantially lower (20 µV versus 400 µV). Supply voltage minimum is lower (2.7 V versus 10 V), while maximum supply voltage is higher (36 V versus 30 V). Output current per channel is lower (35 mA versus 79 mA). All LT1678 variants operate -40°C to 85°C. Packaging variants include Tube and Tape & Reel (TR) options.

Packaging and Inventory Considerations:

Tube packaging is available for all substitute part numbers. Cut Tape (CT) & Digi-Reel® packaging is available for LT1498CS8#TRPBF, LT1498IS8#TRPBF, and LT1678IS8#TRPBF. Tape & Reel (TR) packaging is available for LT1678CS8#TRPBF. Current inventory levels range from 1,214 to 5,341 pieces across all substitute part numbers.

Frequently Asked Questions (FAQ)

Q: Can LT1498 series devices directly replace the ADA4610-2ARZ?

A: LT1498 series devices are mechanically compatible (8-SOIC package, surface mount, dual-channel, rail-to-rail output) and share Active product status and ROHS3 compliance. However, electrical performance differs significantly. The ADA4610-2ARZ is a J-FET amplifier with 61 V/µs slew rate, 5 pA input bias current, and 79 mA output current per channel. LT1498 devices are General Purpose amplifiers with 6 V/µs slew rate, 250 nA input bias current, and 30 mA output current per channel. Direct replacement is application-dependent and requires verification that lower slew rate, higher input bias current, and lower output current are acceptable for the specific circuit design.

Q: Can LT1678 series devices directly replace the ADA4610-2ARZ?

A: LT1678 series devices are mechanically compatible (8-SOIC package, surface mount, dual-channel, rail-to-rail output) and share Active product status and ROHS3 compliance. Electrical performance differs in specific parameters. The ADA4610-2ARZ is a J-FET amplifier with 61 V/µs slew rate, 5 pA input bias current, and 79 mA output current per channel. LT1678 devices are General Purpose amplifiers with 6 V/µs slew rate, 2 nA input bias current, and 35 mA output current per channel. The LT1678 offers superior input offset voltage (20 µV versus 400 µV) and higher gain bandwidth product (20 MHz versus 16.3 MHz). Direct replacement is application-dependent and requires verification that lower slew rate and lower output current are acceptable for the specific circuit design.

Q: What is the difference between LT1498 and LT1678 series devices?

A: Both series are General Purpose dual-channel rail-to-rail amplifiers in 8-SOIC packages. The primary differences are: LT1678 has higher gain bandwidth product (20 MHz versus 10.5 MHz), significantly lower input bias current (2 nA versus 250 nA), and substantially lower input offset voltage (20 µV versus 200 µV). LT1678 also has slightly higher supply current (2.5 mA versus 1.8 mA) and higher output current per channel (35 mA versus 30 mA). Temperature range options differ between series variants.

Q: What packaging options are available for substitute parts?

A: Tube packaging is standard across all substitute part numbers. Cut Tape (CT) & Digi-Reel® packaging is available for LT1498CS8#TRPBF, LT1498IS8#TRPBF, and LT1678IS8#TRPBF. Tape & Reel (TR) packaging is available for LT1678CS8#TRPBF. Selection depends on assembly process requirements and volume specifications.

Q: Are all substitute parts ROHS3 compliant and Active status?

A: Yes. All substitute parts listed are ROHS3 compliant and carry Active product status, matching the ADA4610-2ARZ compliance and lifecycle status.

Q: What are the temperature range options for substitute parts?

A: LT1498CS8#PBF and LT1498CS8#TRPBF operate 0°C to 70°C. LT1498HS8#PBF operates -40°C to 125°C. LT1498IS8#PBF and LT1498IS8#TRPBF operate -40°C to 85°C. LT1498MPS8#PBF operates -55°C to 125°C. All LT1678 variants (LT1678CS8#PBF, LT1678CS8#TRPBF, LT1678IS8#PBF, LT1678IS8#TRPBF) operate -40°C to 85°C. Selection depends on application temperature requirements.

Q: How do supply voltage ranges compare between the ADA4610-2ARZ and substitute parts?

A: The ADA4610-2ARZ operates with supply voltage span of 10 V to 30 V. LT1498 series devices operate 2.2 V to 36 V, providing lower minimum and higher maximum supply voltage capability. LT1678 series devices operate 2.7 V to 36 V, also providing lower minimum and higher maximum supply voltage capability. Applications requiring the 10 V minimum supply voltage of the ADA4610-2ARZ must account for this difference when selecting substitutes.

Q: What is the significance of input bias current differences?

A: The ADA4610-2ARZ has 5 pA input bias current due to its J-FET input architecture. LT1498 series devices have 250 nA input bias current (50,000 times higher), while LT1678 series devices have 2 nA input bias current (2.5 times lower). Applications with high-impedance signal sources or requiring minimal input loading current may be sensitive to these differences. High input bias current can introduce offset errors in transimpedance amplifier configurations or high-impedance sensor interfaces.

Q: What is the significance of slew rate differences?

A: The ADA4610-2ARZ has 61 V/µs slew rate. All substitute parts (LT1498 and LT1678 series) have 6 V/µs slew rate (approximately 10 times lower). Slew rate determines the maximum rate of change of output voltage. Applications requiring fast transient response or high-frequency signal amplification may be limited by the lower slew rate of substitute parts. For example, a 10 V step change requires approximately 1.64 microseconds with the ADA4610-2ARZ but approximately 16.4 microseconds with substitute parts.

Q: What is the significance of output current differences?

A: The ADA4610-2ARZ provides 79 mA output current per channel. LT1498 series devices provide 30 mA per channel (approximately 38% of ADA4610-2ARZ capability), while LT1678 series devices provide 35 mA per channel (approximately 44% of ADA4610-2ARZ capability). Applications driving low-impedance loads or requiring high output current may not be suitable for direct substitution with these lower-output-current devices.

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