MCP6034-E/ST Equivalent & Substitute Parts

Part Overview

The MCP6034-E/ST is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail amplifier in a 14-TSSOP surface-mount package. This device is classified as Active product status and is ROHS3 compliant. The MCP6034-E/ST is supplied in Tube packaging with 14,532 units currently in stock.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to supply constraints, design optimization, or application-specific requirements. Substitution is valid only when the alternative part maintains compatibility across critical electrical parameters and package specifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	0.004	V/µs
Gain Bandwidth Product	10	kHz
Current - Input Bias	1	pA
Voltage - Input Offset	150	µV
Current - Supply (x4 Channels)	900	nA
Current - Output / Channel	23	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution logic for the MCP6034-E/ST is based on the following critical parameters:

Primary Substitution Criteria:

Package compatibility: 14-TSSOP form factor (0.173", 4.40mm Width)
Circuit configuration: 4-circuit operational amplifier
Output architecture: Rail-to-rail output capability
Supply voltage range: Minimum 1.8 V to maximum 5.5 V overlap
Operating temperature range: -40°C to 125°C minimum coverage
Surface-mount technology compatibility

Electrical Performance Boundaries: Substitute parts must maintain functional equivalence within the following parameter ranges:

Slew Rate: 0.004 V/µs to 11 V/µs (performance envelope)
Gain Bandwidth Product: 10 kHz to 24 MHz (performance envelope)
Input Bias Current: 0.3 pA to 50 nA (performance envelope)
Input Offset Voltage: 150 µV to 1 mV (performance envelope)
Supply Current: 45 µA to 1.5 mA per channel (performance envelope)
Output Current per Channel: 10 mA to 120 mA (performance envelope)

Compliance Requirements: All substitute parts must maintain ROHS3 compliance and MSL rating of 1 (Unlimited) or equivalent moisture sensitivity classification.

Packaging Variants: Direct substitutes include packaging variants (Tube vs. Tape & Reel) of the same base part number, as well as functionally equivalent parts from alternative manufacturers meeting the above criteria.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	GBW (kHz/MHz)	Input Bias (pA/nA)	Input Offset (µV/mV)	Supply Current	Output Current/Ch (mA)	Supply Span (V)	Temp Range (°C)	Package	Packaging Type
MCP6034-E/ST	Microchip	General Purpose	4	0.004	10 kHz	1 pA	150 µV	900 nA	23	1.8–5.5	-40 to 125	14-TSSOP	Tube
MCP6034T-E/ST	Microchip	General Purpose	4	0.004	10 kHz	1 pA	150 µV	900 nA	23	1.8–5.5	-40 to 125	14-TSSOP	Tape & Reel
AD8648ARUZ	Analog Devices	General Purpose	4	11	24 MHz	0.3 pA	600 µV	1.5 mA	120	2.7–5.5	-40 to 125	14-TSSOP	Tube
AD8648ARUZ-REEL	Analog Devices	General Purpose	4	11	24 MHz	0.3 pA	600 µV	1.5 mA	120	2.7–5.5	-40 to 125	14-TSSOP	Tape & Reel
BD12734FVJ-E2	Rohm	General Purpose	4	0.4	1 MHz	50 nA	1 mV	1.2 mA	12	1.8–5.0	-40 to 85	14-TSSOP	Tape & Reel
LMR934FVJ-E2	Rohm	General Purpose	4	0.35	1.4 MHz	5 nA	1 mV	250 µA	90	1.8–5.0	-40 to 85	14-TSSOP	Tape & Reel
OPA4348AQPWRQ1	Texas Instruments	CMOS	4	0.5	1 MHz	8 pA	1 mV	45 µA	10	2.1–5.5	-40 to 125	14-TSSOP	Tape & Reel
TSV624AIPT	STMicroelectronics	CMOS	4	0.14	420 kHz	1 pA	800 µV	29 µA	74	1.5–5.5	-40 to 125	14-TSSOP	Tape & Reel
TSV634AIPT	STMicroelectronics	General Purpose	4	0.34	880 kHz	1 pA	800 µV	50 µA	74	1.5–5.5	-40 to 125	14-TSSOP	Tape & Reel
TSV714IPT	STMicroelectronics	CMOS	4	0.06	150 kHz	1 pA	200 µV	10 µA	56	1.5–5.5	-40 to 125	14-TSSOP	Tape & Reel
TSV734IPT	STMicroelectronics	CMOS	4	0.35	900 kHz	1 pA	200 µV	58 µA	68	1.5–5.5	-40 to 125	14-TSSOP	Tape & Reel

Engineering Selection Recommendations

Direct Equivalent (Packaging Variant): MCP6034T-E/ST is the direct equivalent of MCP6034-E/ST, differing only in packaging format (Tape & Reel vs. Tube). Both parts are manufactured by Microchip Technology with identical electrical specifications. Selection between these variants depends on procurement and assembly requirements.

Higher Performance Alternative: AD8648ARUZ and AD8648ARUZ-REEL offer significantly enhanced performance characteristics, including 11 V/µs slew rate and 24 MHz gain-bandwidth product compared to the MCP6034-E/ST baseline of 0.004 V/µs and 10 kHz. These parts maintain full 4-circuit configuration, rail-to-rail output, and -40°C to 125°C operating range. Minimum supply voltage requirement increases to 2.7 V. Both parts are ROHS3 compliant with MSL 1 rating.

Low-Power CMOS Alternatives: TSV624AIPT, TSV714IPT, and TSV734IPT are CMOS-based 4-circuit amplifiers from STMicroelectronics. These parts feature significantly reduced supply current (10–58 µA) compared to MCP6034-E/ST (900 nA per channel). All three maintain 14-TSSOP packaging, rail-to-rail output, and -40°C to 125°C operating range. Supply voltage range extends to 1.5 V minimum. Selection among these variants depends on bandwidth requirements: TSV714IPT (150 kHz), TSV624AIPT (420 kHz), or TSV734IPT (900 kHz).

General-Purpose Alternatives with Extended Temperature: TSV634AIPT (STMicroelectronics) is a general-purpose amplifier with AEC-Q100 automotive qualification. It provides 880 kHz bandwidth, 50 µA supply current, and maintains -40°C to 125°C operating range with 14-TSSOP packaging.

Rohm Semiconductor Options: BD12734FVJ-E2 and LMR934FVJ-E2 are general-purpose 4-circuit amplifiers in 14-TSSOP packaging. Both are ROHS3 compliant with MSL 1 rating. Operating temperature range is limited to -40°C to 85°C. Supply voltage maximum is 5.0 V (vs. 5.5 V for MCP6034-E/ST).

Texas Instruments Automotive-Grade Option: OPA4348AQPWRQ1 is an AEC-Q100 qualified CMOS amplifier with 1 MHz bandwidth and 45 µA supply current. MSL rating is 3 (168 hours), requiring controlled moisture exposure during storage and assembly. Minimum supply voltage is 2.1 V.

All listed substitute parts maintain ROHS3 compliance and are classified as Active product status.

Frequently Asked Questions (FAQ)

Q1: Can MCP6034T-E/ST be used as a direct replacement for MCP6034-E/ST?

A: Yes. MCP6034T-E/ST is electrically and functionally identical to MCP6034-E/ST. The only difference is packaging format: MCP6034-E/ST is supplied in Tube, while MCP6034T-E/ST is supplied in Tape & Reel. Both parts are manufactured by Microchip Technology with identical electrical specifications, operating temperature range (-40°C to 125°C), and 14-TSSOP package dimensions.

Q2: What are the key differences between MCP6034-E/ST and AD8648ARUZ?

A: Both are 4-circuit rail-to-rail general-purpose amplifiers in 14-TSSOP packaging with -40°C to 125°C operating range. AD8648ARUZ provides higher performance: 11 V/µs slew rate (vs. 0.004 V/µs), 24 MHz gain-bandwidth product (vs. 10 kHz), and 120 mA output current per channel (vs. 23 mA). AD8648ARUZ requires minimum 2.7 V supply (vs. 1.8 V for MCP6034-E/ST) and draws higher supply current (1.5 mA vs. 900 nA). Selection depends on application bandwidth and power budget requirements.

Q3: Are CMOS alternatives (TSV624AIPT, TSV714IPT, TSV734IPT) compatible with MCP6034-E/ST designs?

A: CMOS alternatives are mechanically compatible (14-TSSOP package, 4-circuit configuration, rail-to-rail output) and electrically compatible within the specified supply voltage range (1.5–5.5 V overlap). However, CMOS amplifiers exhibit different electrical characteristics: significantly lower supply current (10–58 µA vs. 900 nA), lower slew rates (0.06–0.35 V/µs vs. 0.004 V/µs), and different input offset voltage specifications (200–800 µV vs. 150 µV). Circuit redesign or performance verification is required when substituting CMOS alternatives.

Q4: What is the significance of the 14-TSSOP package specification?

A: The 14-TSSOP (Thin Shrink Small Outline Package) is a surface-mount package with 0.173-inch width and 4.40 mm body width. All listed substitute parts use identical 14-TSSOP packaging, ensuring mechanical compatibility with PCB layouts, solder reflow processes, and assembly equipment. Package compatibility is a primary substitution criterion.

Q5: Can Rohm Semiconductor parts (BD12734FVJ-E2, LMR934FVJ-E2) replace MCP6034-E/ST in all applications?

A: Rohm parts are mechanically compatible (14-TSSOP, 4-circuit, rail-to-rail) but have operating temperature range limited to -40°C to 85°C (vs. -40°C to 125°C for MCP6034-E/ST). Maximum supply voltage is 5.0 V (vs. 5.5 V). These limitations restrict use to applications not requiring full temperature range or 5.5 V supply operation. Electrical characteristics differ significantly: BD12734FVJ-E2 provides 1 MHz bandwidth with 12 mA output current; LMR934FVJ-E2 provides 1.4 MHz bandwidth with 90 mA output current.

Q6: What does AEC-Q100 qualification mean for OPA4348AQPWRQ1 and TSV634AIPT?

A: AEC-Q100 is an automotive-grade qualification standard indicating the part has passed stress testing for automotive applications. OPA4348AQPWRQ1 and TSV634AIPT are qualified for automotive use. However, OPA4348AQPWRQ1 has MSL rating of 3 (168 hours), requiring controlled moisture exposure during storage and assembly, whereas MCP6034-E/ST and TSV634AIPT have MSL 1 (Unlimited), allowing indefinite dry storage.

Q7: Why is supply current specification important when selecting a substitute?

A: Supply current directly impacts power consumption and thermal design. MCP6034-E/ST draws 900 nA per channel (3.6 µA total for 4 channels). CMOS alternatives draw 10–58 µA total, reducing power consumption by 97–98%. Conversely, AD8648ARUZ draws 1.5 mA per channel (6 mA total), increasing power consumption by 67×. Application power budget and thermal constraints determine acceptable supply current ranges.

Q8: What packaging variants are available for substitute parts?

A: Packaging variants refer to delivery format: Tube (individual parts in plastic tubes), Tape & Reel (parts on continuous tape for automated assembly), and Cut Tape (tape cut to specific lengths). MCP6034-E/ST is supplied in Tube; MCP6034T-E/ST is supplied in Tape & Reel. Packaging variant selection depends on assembly process requirements and procurement volume. Electrical specifications remain identical across packaging variants of the same part number.

Q9: Is supply voltage range overlap sufficient for substitution?

A: Supply voltage range overlap is necessary but not sufficient for substitution. MCP6034-E/ST operates from 1.8–5.5 V. Substitute parts must support the actual supply voltage used in the application. For example, if the application uses 1.5 V supply, only TSV624AIPT, TSV714IPT, or TSV734IPT are compatible (1.5 V minimum). AD8648ARUZ requires minimum 2.7 V and cannot be used in 1.5 V applications.

Q10: What compliance certifications apply to all listed parts?

A: All listed substitute parts are ROHS3 compliant, indicating compliance with Restriction of Hazardous Substances Directive. All parts are REACH Unaffected, meaning they are not subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) restrictions. All parts are classified as ECCN EAR99 (Export Control Classification Number), indicating general commercial electronic components. HTSUS code 8542.33.0001 applies to all parts (integrated circuits, semiconductor devices).

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