AD8061ART-REEL7 Equivalent & Substitute Parts

Part Overview

The AD8061ART-REEL7 is a voltage feedback operational amplifier manufactured by Analog Devices Inc., housed in a SOT-23-5 surface mount package. This device features rail-to-rail output capability with a slew rate of 650V/µs and -3dB bandwidth of 320 MHz, designed for high-speed signal conditioning applications. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Direct manufacturer variants and cross-manufacturer alternatives are available with comparable or enhanced electrical characteristics.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	650	V/µs
-3dB Bandwidth	320	MHz
Current - Input Bias	3.5	µA
Voltage - Input Offset	1	mV
Current - Supply	6.8	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	8	V
Operating Temperature	-40 to 85	°C
Package / Case	SC-74A, SOT-753	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the AD8061ART-REEL7 is determined by the following critical parameters: amplifier type (voltage feedback), number of circuits (1), output type (rail-to-rail), package type (SOT-23-5), and mounting configuration (surface mount). The substitute parts are grouped into two categories:

Direct Manufacturer Equivalent: AD8061ARTZ-REEL7 maintains identical electrical specifications and amplifier topology, differing only in product status (active versus obsolete) and packaging format (Digi-Reel versus standard reel).

Cross-Manufacturer Alternatives: Parts from Analog Devices (LTC6240 series), Microchip Technology (MCP6L series), and Texas Instruments (OPA356 series) provide functional substitution with variations in amplifier type (general purpose versus voltage feedback), slew rate, bandwidth, and supply current. These alternatives are selected based on compatibility with the SOT-23-5 package, rail-to-rail output, and surface mount configuration. Electrical parameter differences must be evaluated against specific application requirements.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	Bandwidth (MHz)	Input Bias (µA)	Supply Current (mA)	Output Current (mA)	Supply Span Min (V)	Supply Span Max (V)	Temp Range (°C)	Product Status
AD8061ART-REEL7	Analog Devices	Voltage Feedback	650	320	3.5	6.8	50	2.7	8	-40 to 85	Obsolete
AD8061ARTZ-REEL7	Analog Devices	Voltage Feedback	650	320	3.5	6.8	50	2.7	8	-40 to 85	Active
LTC6240CS5#TRMPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	0 to 70	Active
LTC6240CS5#TRPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	0 to 70	Active
LTC6240HS5#TRMPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	-40 to 125	Active
LTC6240HS5#TRPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	-40 to 125	Active
LTC6240IS5#TRMPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	-40 to 85	Active
LTC6240IS5#TRPBF	Analog Devices	General Purpose	10	18	0.0002	2	30	2.8	6	-40 to 85	Active
MCP6L71T-E/OT	Microchip Technology	General Purpose	0.9	2	0.001	0.15	—	2	6	-40 to 125	Active
MCP6L91T-E/OT	Microchip Technology	General Purpose	7	10	0.001	0.85	—	2.4	6	-40 to 125	Active
OPA356AQDBVRQ1	Texas Instruments	Voltage Feedback	360	450	0.003	8.3	100	2.5	5.5	-40 to 125	Active

Engineering Selection Recommendations

Direct Replacement: AD8061ARTZ-REEL7 is the primary direct substitute for AD8061ART-REEL7. Both parts maintain identical electrical specifications and voltage feedback topology. AD8061ARTZ-REEL7 is active and ROHS3 compliant, providing continuity for existing designs without circuit modification.

Analog Devices LTC6240 Series: The LTC6240 family (CS5, HS5, IS5 variants) offers active alternatives with lower supply current (2 mA versus 6.8 mA) and reduced input bias current (0.2 pA versus 3.5 µA). These parts employ general purpose amplifier topology rather than voltage feedback. Operating temperature ranges vary by grade: commercial (0 to 70°C), industrial (-40 to 125°C), and intermediate (-40 to 85°C). Supply voltage span is narrower (2.8 to 6 V versus 2.7 to 8 V). All LTC6240 variants are ROHS3 compliant and REACH unaffected.

Microchip Technology MCP6L Series: MCP6L71T-E/OT and MCP6L91T-E/OT provide general purpose alternatives with significantly lower supply current (150 µA and 850 µA respectively). Slew rates are substantially reduced (0.9 V/µs and 7 V/µs). Both are active, ROHS3 compliant, and rated for -40 to 125°C operation. These parts are suitable for low-power applications where bandwidth and slew rate requirements are less stringent than the original AD8061ART-REEL7.

Texas Instruments OPA356AQDBVRQ1: This voltage feedback alternative provides higher slew rate (360 V/µs) and bandwidth (450 MHz) with enhanced output current capability (100 mA). The part is automotive qualified (AEC-Q100) and active. Supply voltage span is narrower (2.5 to 5.5 V). Moisture sensitivity is MSL 2 (1 Year) versus MSL 1 (Unlimited) for the original part.

All substitute parts maintain SOT-23-5 package compatibility and surface mount configuration. Selection depends on specific application requirements for bandwidth, slew rate, supply current, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can AD8061ARTZ-REEL7 be used as a direct replacement for AD8061ART-REEL7?

A: Yes. AD8061ARTZ-REEL7 is electrically identical to AD8061ART-REEL7, with the same voltage feedback topology, slew rate (650 V/µs), bandwidth (320 MHz), and operating temperature range (-40 to 85°C). The primary difference is product status: AD8061ARTZ-REEL7 is active while AD8061ART-REEL7 is obsolete. Packaging format differs (Digi-Reel versus standard reel), but both use SOT-23-5 surface mount configuration.

Q: What are the key differences between voltage feedback and general purpose amplifier types?

A: Voltage feedback amplifiers (AD8061ART-REEL7, OPA356AQDBVRQ1) are optimized for high-speed, high-bandwidth applications with faster slew rates and wider bandwidth. General purpose amplifiers (LTC6240 series, MCP6L series) prioritize lower power consumption and reduced input bias current, with correspondingly lower slew rates and bandwidth. Selection depends on application bandwidth and speed requirements.

Q: Are the LTC6240 series parts suitable replacements for high-bandwidth applications?

A: The LTC6240 series provides lower bandwidth (18 MHz) and slew rate (10 V/µs) compared to AD8061ART-REEL7 (320 MHz bandwidth, 650 V/µs slew rate). These parts are suitable only for applications where bandwidth and slew rate requirements are significantly lower than the original specification. They offer advantages in supply current (2 mA versus 6.8 mA) and input bias current (0.2 pA versus 3.5 µA).

Q: What is the significance of operating temperature range differences?

A: Operating temperature range affects component reliability and performance across environmental conditions. AD8061ART-REEL7 operates from -40 to 85°C. LTC6240HS5 and OPA356AQDBVRQ1 extend to -40 to 125°C, providing wider temperature coverage for industrial and automotive applications. LTC6240CS5 is limited to 0 to 70°C commercial range. Application environment determines the appropriate temperature specification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (AD8061ARTZ-REEL7, LTC6240 series, MCP6L series, OPA356AQDBVRQ1) are ROHS3 compliant. The original AD8061ART-REEL7 does not specify ROHS status. All substitute parts are REACH unaffected.

Q: What packaging considerations apply to these substitutes?

A: All substitute parts use SOT-23-5 surface mount package (SC-74A, SOT-753 case designation). Physical footprint and pin configuration are identical, enabling direct PCB layout compatibility. Packaging format variations (Cut Tape & Digi-Reel versus Tape & Reel) affect supply chain logistics but not electrical or mechanical compatibility.

Q: Why does OPA356AQDBVRQ1 have higher moisture sensitivity (MSL 2) than the original part (MSL 1)?

A: Moisture sensitivity level (MSL) indicates the maximum time a component can be stored in ambient conditions before requiring baking prior to reflow soldering. MSL 1 (Unlimited) allows indefinite storage without baking. MSL 2 (1 Year) requires baking if storage exceeds one year. This difference affects component handling and storage procedures but does not impact electrical performance or circuit functionality.

Q: Can MCP6L71T-E/OT be used in applications requiring 50 mA output current?

A: No. MCP6L71T-E/OT does not specify output current capability in the provided data. AD8061ART-REEL7 provides 50 mA output current per channel. Applications requiring this output current level must use parts with documented output current specifications: AD8061ARTZ-REEL7 (50 mA), LTC6240 series (30 mA), or OPA356AQDBVRQ1 (100 mA).

Q: What supply voltage considerations apply when substituting parts?

A: AD8061ART-REEL7 operates from 2.7 to 8 V. LTC6240 series operates from 2.8 to 6 V (narrower range). OPA356AQDBVRQ1 operates from 2.5 to 5.5 V (narrower range). MCP6L71T-E/OT operates from 2 to 6 V. Applications using supply voltages above 6 V require AD8061ARTZ-REEL7 or equivalent to maintain specified performance.

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