MCP6044T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP6044T-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 MCP6044T-E/ST operates across a supply voltage range of 1.4 V to 6 V with an operating temperature range of -40°C to 125°C. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	0.003	V/µs
Gain Bandwidth Product	14	kHz
Current - Input Bias	1	pA
Voltage - Input Offset	3	mV
Current - Supply (x4 Channels)	600	nA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	1.4	V
Voltage - Supply Span (Max)	6	V
Operating Temperature	-40 to 125	°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MCP6044T-E/ST are identified based on the following criteria:

Primary Substitution Criteria:

Amplifier Type: General Purpose or CMOS
Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Electrical Performance Parameters:

Slew Rate: 0.003 V/µs or higher
Gain Bandwidth Product: 14 kHz or higher
Current - Input Bias: 1 pA
Voltage - Supply Span (Min): 1.4 V or lower
Voltage - Supply Span (Max): 6 V or higher
Operating Temperature: -40°C to 125°C or compatible range
Current - Output / Channel: 20 mA or higher

Substitutes are grouped into two categories: Direct Packaging Equivalents (identical packaging format) and Functional Equivalents (same electrical classification with enhanced or alternative performance characteristics).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (kHz)	Input Offset (mV/µV)	Supply Current (nA/µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Packaging
MCP6044T-E/ST	Microchip Technology	General Purpose	0.003	14	3 mV	600 nA	20	1.4	6	-40 to 125	Tape & Reel (TR)
MCP6044-E/ST	Microchip Technology	General Purpose	0.003	14	3 mV	600 nA	20	1.4	6	-40 to 125	Tube
AD8504ARUZ	Analog Devices Inc.	CMOS	0.004	7	500 µV	750 nA	5	1.8	5.5	-40 to 125	Tube
TSU104IPT	STMicroelectronics	CMOS	0.003	9	100 µV	650 nA	11	1.5	5.5	-40 to 85	Cut Tape (CT) & Digi-Reel®
TSV714IPT	STMicroelectronics	CMOS	0.06	150	200 µV	10 µA	56	1.5	5.5	-40 to 125	Cut Tape (CT)
TSV734IPT	STMicroelectronics	CMOS	0.35	900	200 µV	58 µA	68	1.5	5.5	-40 to 125	Tape & Reel (TR)
TSV914AIPT	STMicroelectronics	General Purpose	4.5	8000	1.5 mV	780 µA	35	2.5	5.5	-40 to 125	Cut Tape (CT) & Digi-Reel®
TSV914IPT	STMicroelectronics	General Purpose	4.5	8000	100 µV	780 µA	35	2.5	5.5	-40 to 125	Cut Tape (CT) & Digi-Reel®
TSV994AIPT	STMicroelectronics	General Purpose	10	20000	100 µV	820 µA	35	2.5	5.5	-40 to 125	Cut Tape (CT) & Digi-Reel®
TSV994IPT	STMicroelectronics	General Purpose	10	20000	100 µV	820 µA	35	2.5	5.5	-40 to 125	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Direct Equivalent (Identical Electrical Performance):

MCP6044-E/ST is a direct electrical equivalent to MCP6044T-E/ST, differing only in packaging format (Tube versus Tape & Reel). Both parts are manufactured by Microchip Technology, maintain identical electrical specifications, and are ROHS3 compliant with MSL 1 rating. Selection between these two depends on procurement and assembly requirements.

Functional Equivalents with Enhanced Performance:

TSV914AIPT and TSV914IPT (STMicroelectronics) are general purpose amplifiers with significantly higher slew rate (4.5 V/µs versus 0.003 V/µs) and gain bandwidth product (8 MHz versus 14 kHz). These parts maintain 4-circuit configuration, rail-to-rail output, 14-TSSOP packaging, and -40°C to 125°C operating range. Both are AEC-Q100 qualified for automotive applications. TSV914IPT features lower input offset voltage (100 µV) compared to TSV914AIPT (1.5 mV). Minimum supply voltage requirement increases to 2.5 V.

TSV994AIPT and TSV994IPT (STMicroelectronics) provide the highest performance tier with 10 V/µs slew rate and 20 MHz gain bandwidth product. These parts are also AEC-Q100 qualified, maintain identical package and circuit configuration, and operate across -40°C to 125°C. Minimum supply voltage is 2.5 V. Input offset voltage is 100 µV for both variants.

CMOS Alternatives:

TSU104IPT (STMicroelectronics) is a CMOS amplifier with 0.003 V/µs slew rate matching the main part, 9 kHz gain bandwidth product, and superior input offset voltage (100 µV). Operating temperature range is -40°C to 85°C. Supply voltage range is 1.5 V to 5.5 V. Output current per channel is 11 mA.

TSV714IPT (STMicroelectronics) is a CMOS amplifier with enhanced performance: 0.06 V/µs slew rate, 150 kHz gain bandwidth product, and 56 mA output current per channel. Supply current increases to 10 µA. Operating range is -40°C to 125°C.

TSV734IPT (STMicroelectronics) represents the highest performance CMOS option with 0.35 V/µs slew rate, 900 kHz gain bandwidth product, and 68 mA output current. Supply current is 58 µA. Operating range is -40°C to 125°C.

AD8504ARUZ (Analog Devices Inc.) is a CMOS amplifier with 0.004 V/µs slew rate, 7 kHz gain bandwidth product, and 500 µV input offset voltage. Supply voltage range is 1.8 V to 5.5 V. Output current is 5 mA per channel. Operating range is -40°C to 125°C.

All substitute parts maintain ROHS3 compliance and MSL 1 rating. Selection criteria depend on required slew rate, gain bandwidth product, supply voltage constraints, output current requirements, and temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can MCP6044-E/ST replace MCP6044T-E/ST in all applications?

A: Yes. MCP6044-E/ST is electrically identical to MCP6044T-E/ST. The only difference is packaging format: MCP6044-E/ST is supplied in Tube packaging while MCP6044T-E/ST is supplied in Tape & Reel. Both use the same 14-TSSOP package footprint and are compatible with identical PCB designs. Selection depends on assembly line requirements and inventory management preferences.

Q: What is the primary difference between the MCP6044T-E/ST and TSV914 series?

A: The TSV914 series (TSV914AIPT and TSV914IPT) offers significantly higher performance. Slew rate increases from 0.003 V/µs to 4.5 V/µs, and gain bandwidth product increases from 14 kHz to 8 MHz. Both maintain 4-circuit rail-to-rail configuration in 14-TSSOP package. The trade-off is higher supply current (780 µA versus 600 nA) and higher minimum supply voltage requirement (2.5 V versus 1.4 V). TSV914 series is AEC-Q100 qualified for automotive applications.

Q: Is TSU104IPT suitable as a substitute if the application requires -40°C to 125°C operation?

A: No. TSU104IPT operates only to 85°C maximum, which does not meet the -40°C to 125°C requirement of the MCP6044T-E/ST. For applications requiring full -40°C to 125°C range, select from: MCP6044-E/ST, TSV714IPT, TSV734IPT, TSV914AIPT, TSV914IPT, TSV994AIPT, TSV994IPT, or AD8504ARUZ.

Q: What are the supply voltage compatibility constraints?

A: MCP6044T-E/ST operates from 1.4 V to 6 V. TSU104IPT and TSV714IPT operate from 1.5 V minimum. TSV734IPT, TSV914 series, and TSV994 series require minimum 2.5 V supply. AD8504ARUZ requires minimum 1.8 V. Maximum supply voltage for all substitutes is 5.5 V except MCP6044-E/ST which accepts 6 V maximum. Verify supply voltage compatibility before selection.

Q: Can CMOS alternatives (TSU104IPT, TSV714IPT, TSV734IPT, AD8504ARUZ) replace the general purpose MCP6044T-E/ST?

A: CMOS alternatives are functionally compatible in 14-TSSOP package with 4-circuit rail-to-rail configuration. However, electrical performance differs significantly. CMOS parts feature lower input offset voltage and different slew rate and gain bandwidth characteristics. TSU104IPT matches slew rate (0.003 V/µs) but has lower gain bandwidth (9 kHz). TSV714IPT and TSV734IPT offer higher performance. Selection depends on specific circuit requirements for slew rate, bandwidth, and input offset voltage specifications.

Q: Are all substitute parts ROHS3 compliant and MSL 1 rated?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of MCP6044T-E/ST.

Q: What is the significance of AEC-Q100 qualification on TSV914 and TSV994 series?

A: AEC-Q100 qualification indicates these parts meet automotive industry reliability and quality standards. TSV914AIPT, TSV914IPT, TSV994AIPT, and TSV994IPT are AEC-Q100 qualified, making them suitable for automotive applications. MCP6044T-E/ST and other substitutes do not carry this qualification. Selection of AEC-Q100 qualified parts is required for automotive designs.

Q: How do output current ratings affect substitution decisions?

A: MCP6044T-E/ST provides 20 mA output current per channel. TSV914 and TSV994 series provide 35 mA. TSV734IPT provides 68 mA. TSV714IPT provides 56 mA. TSU104IPT provides 11 mA. AD8504ARUZ provides 5 mA. Applications requiring higher output current should select TSV734IPT, TSV714IPT, TSV914, or TSV994 series. Applications with lower current requirements can use any substitute.

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