BU7242SNUX-TR Equivalent & Substitute Parts

Part Overview

The BU7242SNUX-TR is a CMOS amplifier manufactured by Rohm Semiconductor, featuring 2 circuits with rail-to-rail output capability in an 8-UFDFN exposed pad package. This device is classified as a linear amplifier and is currently active in production. The part is designed for applications requiring low-power, dual-channel amplification with supply voltages ranging from 1.8 V to 5.5 V and operating temperatures from -40°C to 105°C.

Equivalent and substitute parts are identified when alternative amplifier devices meet or exceed the electrical and mechanical specifications of the BU7242SNUX-TR, allowing for design flexibility, supply chain alternatives, or inventory optimization without compromising circuit performance.

Key Parameters

Parameter	BU7242SNUX-TR
Manufacturer	Rohm Semiconductor
Amplifier Type	CMOS
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	0.4 V/µs
Gain Bandwidth Product	900 kHz
Current - Input Bias	1 pA
Voltage - Input Offset	1 mV
Current - Supply	180 µA
Current - Output / Channel	12 mA
Voltage - Supply Span (Min)	1.8 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C to 105°C
Mounting Type	Surface Mount
Package / Case	8-UFDFN Exposed Pad
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
Part Status	Active

Substitute Part Grouping Explanation

Substitute parts for the BU7242SNUX-TR are qualified based on the following critical parameters:

Mandatory Compatibility Criteria:

Number of Circuits: 2 (dual-channel configuration)
Output Type: Rail-to-Rail
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 1.8 V, Maximum ≥ 5.5 V
Operating Temperature Range: Minimum -40°C, Maximum ≥ 105°C
RoHS3 Compliance
Package Type: 8-pin DFN or TDFN variants with exposed pad

Performance Parameters for Substitution:

Slew Rate: ≥ 0.4 V/µs (equal or higher performance)
Gain Bandwidth Product: ≥ 900 kHz (equal or higher performance)
Current - Input Bias: ≤ 1 pA (equal or lower)
Voltage - Input Offset: ≤ 1 mV (equal or lower)
Current - Supply: ≤ 180 µA (equal or lower for power efficiency)
Current - Output / Channel: ≥ 12 mA (equal or higher capability)

Substitute parts are grouped by amplifier type (CMOS or General Purpose) and packaging format (Tape & Reel or Cut Tape). All qualified substitutes maintain active production status and ROHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (kHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
BU7242SNUX-TR	Rohm Semiconductor	CMOS	0.4	900	1	1	180	12	1.8	5.5	-40 to 105	8-UFDFN	Active
MCP6002-E/MC	Microchip Technology	General Purpose	0.6	1000	1	4.5	100	23	1.8	6	-40 to 125	8-VFDFN	Active
MCP6002T-E/MC	Microchip Technology	General Purpose	0.6	1000	1	4.5	100	23	1.8	6	-40 to 125	8-VFDFN	Active
MCP6052T-E/MNY	Microchip Technology	CMOS	0.15	385	1	0.15	30	26	1.8	6	-40 to 125	8-WFDFN	Active
MCP6062T-E/MNY	Microchip Technology	CMOS	0.25	730	1	0.15	60	27	1.8	6	-40 to 125	8-WFDFN	Active
MCP6072T-E/MNY	Microchip Technology	General Purpose	0.5	1200	1	0.15	110	28	1.8	6	-40 to 125	8-WFDFN	Active
MCP6232T-E/MNY	Microchip Technology	General Purpose	0.15	300	1	5	20	23	1.8	6	-40 to 125	8-WFDFN	Active
MCP6402T-E/MNY	Microchip Technology	General Purpose	0.5	1000	1	0.8	45	15	1.8	6	-40 to 125	8-WFDFN	Active
MCP6442T-E/MNY	Microchip Technology	CMOS	0.003	9	1	4.5	0.45	22	1.4	6	-40 to 125	8-WFDFN	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

MCP6002T-E/MC and MCP6002-E/MC are functionally equivalent to the BU7242SNUX-TR for applications where general-purpose amplification is acceptable. Both parts maintain the same dual-circuit configuration, rail-to-rail output, and 1.8 V to 6 V supply range. The MCP6002 series offers superior slew rate (0.6 V/µs vs. 0.4 V/µs) and higher gain bandwidth product (1 MHz vs. 900 kHz), with increased output current capability (23 mA vs. 12 mA). Both are ROHS3 compliant and active in production. The MCP6002T-E/MC variant is packaged in Cut Tape format, matching the BU7242SNUX-TR's tape and reel availability.

Performance-Enhanced Substitutes:

MCP6072T-E/MNY provides superior performance characteristics with 0.5 V/µs slew rate and 1.2 MHz gain bandwidth product, exceeding the BU7242SNUX-TR specifications. This general-purpose amplifier maintains ROHS3 compliance and operates across -40°C to 125°C. Output current capability is 28 mA, significantly higher than the original part.

MCP6402T-E/MNY offers balanced performance with 0.5 V/µs slew rate and 1 MHz gain bandwidth product, combined with lower supply current (45 µA vs. 180 µA), making it suitable for power-constrained applications. This part is ROHS3 compliant and active in production.

Low-Power Substitutes:

MCP6232T-E/MNY is optimized for ultra-low-power applications with supply current of only 20 µA. This general-purpose amplifier maintains ROHS3 compliance and operates across the extended temperature range (-40°C to 125°C). Trade-offs include reduced slew rate (0.15 V/µs) and lower gain bandwidth product (300 kHz).

MCP6442T-E/MNY is the lowest-power option with supply current of 450 nA, suitable for battery-powered applications. This CMOS amplifier is ROHS3 compliant but operates with significantly reduced performance metrics (0.003 V/µs slew rate, 9 kHz gain bandwidth product). Minimum supply voltage is 1.4 V.

CMOS-Type Substitutes:

MCP6052T-E/MNY and MCP6062T-E/MNY are CMOS amplifiers matching the BU7242SNUX-TR's amplifier type classification. MCP6062T-E/MNY provides closer performance alignment with 0.25 V/µs slew rate and 730 kHz gain bandwidth product, with significantly lower supply current (60 µA). Both are ROHS3 compliant and operate across -40°C to 125°C.

Compliance and Production Status:

All substitute parts listed are ROHS3 compliant, active in production, and carry unlimited moisture sensitivity level (MSL 1), providing superior handling characteristics compared to the BU7242SNUX-TR (MSL 2, 1 Year). All parts are classified under HTSUS 8542.33.0001 and carry EAR99 ECCN designation.

Frequently Asked Questions (FAQ)

Q: Can MCP6002T-E/MC directly replace BU7242SNUX-TR in existing designs?

A: MCP6002T-E/MC is functionally compatible for applications requiring dual-channel, rail-to-rail amplification. Both parts feature 2 circuits, identical input bias current (1 pA), and overlapping supply voltage ranges (1.8 V minimum). The MCP6002T-E/MC offers superior slew rate and gain bandwidth product. Physical package dimensions differ (8-VFDFN vs. 8-UFDFN), requiring PCB layout verification. Both are ROHS3 compliant and active in production.

Q: What is the key difference between CMOS and General Purpose amplifier types in this list?

A: CMOS amplifiers (BU7242SNUX-TR, MCP6052T-E/MNY, MCP6062T-E/MNY, MCP6442T-E/MNY) are optimized for ultra-low input bias current and reduced power consumption. General Purpose amplifiers (MCP6002 series, MCP6072T-E/MNY, MCP6232T-E/MNY, MCP6402T-E/MNY) provide broader performance characteristics and higher output current capability. Selection depends on application requirements for power efficiency versus performance bandwidth.

Q: Which substitute offers the lowest power consumption?

A: MCP6442T-E/MNY provides the lowest supply current at 450 nA per channel, making it suitable for battery-powered and energy-harvesting applications. This part operates with minimum supply voltage of 1.4 V. Performance is significantly reduced (0.003 V/µs slew rate, 9 kHz gain bandwidth product), limiting use to low-frequency signal conditioning applications.

Q: Are all substitute parts available in Tape & Reel packaging?

A: MCP6052T-E/MNY is explicitly specified as Tape & Reel (TR) packaging. MCP6002T-E/MC, MCP6062T-E/MNY, MCP6072T-E/MNY, MCP6232T-E/MNY, MCP6402T-E/MNY, and MCP6442T-E/MNY are available in Cut Tape (CT) & Digi-Reel® format. MCP6002-E/MC is available in Tube packaging. Verify packaging format with supplier for production requirements.

Q: What is the operating temperature range difference between BU7242SNUX-TR and substitutes?

A: BU7242SNUX-TR operates from -40°C to 105°C. All Microchip Technology substitutes extend the maximum operating temperature to 125°C, providing broader thermal operating range. Minimum operating temperature remains -40°C across all parts. This extended range may be beneficial for industrial and automotive applications.

Q: How do input offset voltage specifications compare?

A: BU7242SNUX-TR specifies 1 mV input offset voltage. MCP6002 series specifies 4.5 mV. MCP6052T-E/MNY, MCP6062T-E/MNY, and MCP6072T-E/MNY specify 0.15 mV, providing superior precision. MCP6232T-E/MNY specifies 5 mV. MCP6402T-E/MNY specifies 0.8 mV. MCP6442T-E/MNY specifies 4.5 mV. Selection depends on application sensitivity to DC offset errors.

Q: What is the maximum supply voltage for each substitute?

A: BU7242SNUX-TR supports maximum 5.5 V supply. All Microchip Technology substitutes support 6 V maximum supply, providing 0.5 V additional headroom. This extended range accommodates applications with higher supply voltage tolerance requirements.

Q: Are all parts RoHS3 compliant?

A: Yes. BU7242SNUX-TR and all listed substitute parts are ROHS3 compliant. All parts carry REACH Unaffected status and EAR99 ECCN classification, meeting regulatory requirements for commercial and industrial applications.

Q: Which substitute provides the highest output current per channel?

A: MCP6072T-E/MNY provides the highest output current at 28 mA per channel, followed by MCP6062T-E/MNY at 27 mA and MCP6002 series at 23 mA. BU7242SNUX-TR provides 12 mA output current. Selection depends on load driving requirements and output impedance specifications.

Q: What is the moisture sensitivity level (MSL) difference?

A: BU7242SNUX-TR is specified as MSL 2 with 1-year shelf life. All Microchip Technology substitutes are specified as MSL 1 with unlimited shelf life, providing superior moisture resistance and extended storage capability without baking requirements.

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