MCP6H04T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP6H04T-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 with unlimited moisture sensitivity level (MSL 1).

The MCP6H04T-E/ST operates across a supply voltage range of 3.5 V to 16 V with an operating temperature range of -40°C to 125°C. Substitute parts are necessary when addressing specific application requirements such as higher slew rate performance, improved input bias current characteristics, or alternative packaging formats while maintaining functional and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MCP6H04T-E/ST	—
Manufacturer	Microchip Technology	—
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	3.5	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	-40 to 125	°C
Slew Rate	0.8	V/µs
Gain Bandwidth Product	1.2	MHz
Current - Input Bias	10	pA
Voltage - Input Offset	700	µV
Current - Supply (x4 Channels)	135	µA
Current - Output / Channel	50	mA
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts for the MCP6H04T-E/ST are grouped based on strict compatibility with the following critical parameters:

Mandatory Compatibility Criteria:

Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Voltage - Supply Span (Max): 16 V minimum
Voltage - Supply Span (Min): Must not exceed 3.5 V (or be compatible with 3.5 V minimum supply)

Performance Parameters (Secondary Consideration):

Slew Rate: 0.8 V/µs or higher
Gain Bandwidth Product: 1.2 MHz or higher
Current - Output / Channel: 50 mA or higher
Operating Temperature Range: Must encompass -40°C to 125°C or be suitable for the intended application temperature window

Substitute parts are classified into two categories:

Category A - Direct Substitutes (Equivalent or Superior Performance): Parts that meet or exceed all mandatory compatibility criteria and maintain performance parameters at or above the MCP6H04T-E/ST specification.

Category B - Conditional Substitutes (Performance Trade-offs): Parts that meet all mandatory compatibility criteria but have reduced performance in specific parameters (lower slew rate, lower gain bandwidth product, or narrower operating temperature range). These are suitable only when application requirements permit the performance reduction.

Parameter Comparison

Parameter	MCP6H04T-E/ST	AD8668ARUZ	AD8668ARUZ-REEL	TLC2254CPW	TLC2254CPWR	TLC2264AQPWRQ1	TLC2264CPWR	TLC2274AIPW
Manufacturer	Microchip Technology	Analog Devices Inc.	Analog Devices Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Number of Circuits	4	4	4	4	4	4	4	4
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
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Voltage - Supply Span (Min)	3.5 V	5 V	5 V	4.4 V	4.4 V	4.4 V	4.4 V	4.4 V
Voltage - Supply Span (Max)	16 V	16 V	16 V	16 V	16 V	16 V	16 V	16 V
Operating Temperature	-40 to 125°C	-40 to 125°C	-40 to 125°C	0 to 70°C	0 to 70°C	-40 to 125°C	0 to 70°C	-40 to 125°C
Slew Rate (V/µs)	0.8	3.5	3.5	0.12	0.12	0.55	0.55	3.6
Gain Bandwidth Product (MHz)	1.2	4	4	0.21	0.21	0.73	0.73	2.25
Current - Input Bias (pA)	10	0.2	0.2	1	1	1	1	1
Voltage - Input Offset (µV)	700	600	600	200	200	300	300	300
Current - Supply (µA, x4 Channels)	135	1150	1150	160	160	850	850	4800
Current - Output / Channel (mA)	50	140	140	50	50	50	50	50
Product Status	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Category A - Direct Substitutes (Recommended for Full Compatibility):

AD8668ARUZ-REEL (Analog Devices Inc.)

Meets all mandatory compatibility criteria with 14-TSSOP package and 4-circuit rail-to-rail configuration
Operates across 5 V to 16 V supply range with -40°C to 125°C temperature range
Exceeds performance specifications: 3.5 V/µs slew rate, 4 MHz gain bandwidth product, 0.2 pA input bias current
Available in Tape & Reel packaging with 7116 Pcs inventory
Product Status: Active
Suitable for applications requiring superior dynamic performance and lower input bias current

TLC2274AIPW (Texas Instruments)

Meets all mandatory compatibility criteria with 14-TSSOP package and 4-circuit rail-to-rail configuration
Operates across 4.4 V to 16 V supply range with -40°C to 125°C temperature range
Exceeds performance specifications: 3.6 V/µs slew rate, 2.25 MHz gain bandwidth product
Product Status: Active
Suitable for applications requiring improved slew rate and bandwidth performance

Category B - Conditional Substitutes (Performance Trade-offs):

TLC2254CPW and TLC2254CPWR (Texas Instruments)

Meet mandatory compatibility criteria with 14-TSSOP package and 4-circuit rail-to-rail configuration
Operate across 4.4 V to 16 V supply range but with restricted temperature range (0°C to 70°C)
Reduced performance: 0.12 V/µs slew rate, 210 kHz gain bandwidth product
Product Status: Active
Suitable only for applications operating within 0°C to 70°C temperature window and not requiring high-speed performance

TLC2264CPWR (Texas Instruments)

Meets mandatory compatibility criteria with 14-TSSOP package and 4-circuit rail-to-rail configuration
Operates across 4.4 V to 16 V supply range but with restricted temperature range (0°C to 70°C)
Moderate performance: 0.55 V/µs slew rate, 730 kHz gain bandwidth product
Product Status: Active
Suitable for applications operating within 0°C to 70°C temperature window with moderate performance requirements

TLC2264AQPWRQ1 (Texas Instruments)

Meets all mandatory compatibility criteria with 14-TSSOP package and 4-circuit rail-to-rail configuration
Operates across 4.4 V to 16 V supply range with -40°C to 125°C temperature range
Moderate performance: 0.55 V/µs slew rate, 730 kHz gain bandwidth product
Grade: Automotive with AEC-Q100 qualification
Product Status: Active
Suitable for automotive applications requiring extended temperature range

Minimum Supply Voltage Consideration: Parts with minimum supply voltage of 5 V (AD8668ARUZ, AD8668ARUZ-REEL) are not suitable for applications requiring operation at 3.5 V minimum supply. Parts with 4.4 V minimum supply (TLC series) provide limited compatibility with 3.5 V minimum requirement and should be evaluated for specific application voltage margins.

Frequently Asked Questions (FAQ)

Q1: Can AD8668ARUZ-REEL directly replace MCP6H04T-E/ST in all applications?

A: AD8668ARUZ-REEL meets all mandatory compatibility criteria (4-circuit, rail-to-rail, 14-TSSOP package, -40°C to 125°C operating range, 5 V to 16 V supply). However, the minimum supply voltage is 5 V instead of 3.5 V. Direct replacement is valid only for applications with minimum supply voltage of 5 V or higher. For applications requiring 3.5 V minimum supply operation, this substitute is not compatible.

Q2: What is the key difference between TLC2254CPWR and TLC2264CPWR?

A: Both parts are 4-circuit rail-to-rail amplifiers in 14-TSSOP packages from Texas Instruments. The primary differences are: TLC2254CPWR has 0.12 V/µs slew rate and 210 kHz gain bandwidth product, while TLC2264CPWR has 0.55 V/µs slew rate and 730 kHz gain bandwidth product. Both are restricted to 0°C to 70°C operating temperature. Selection depends on required bandwidth and operating temperature range.

Q3: Why is TLC2264AQPWRQ1 specified as automotive grade?

A: TLC2264AQPWRQ1 carries AEC-Q100 qualification and Automotive grade designation. This indicates the part has undergone automotive-specific reliability and qualification testing. This part is suitable for automotive applications requiring extended temperature range (-40°C to 125°C) and automotive-grade component certification.

Q4: Can I use TLC2254CPW in a -40°C to 125°C application?

A: No. TLC2254CPW is specified for 0°C to 70°C operating temperature only. Use in applications requiring -40°C to 125°C operation will result in out-of-specification performance. For extended temperature range applications, select AD8668ARUZ-REEL, TLC2274AIPW, or TLC2264AQPWRQ1.

Q5: What packaging formats are available for substitute parts?

A: Substitute parts are available in the following packaging formats: Tube, Tape & Reel (TR), and Cut Tape (CT) & Digi-Reel®. The MCP6H04T-E/ST is supplied in Tape & Reel format. AD8668ARUZ-REEL is available in Tape & Reel with 7116 Pcs inventory. TLC2254CPWR and TLC2264CPWR are available in Cut Tape & Digi-Reel® format. Verify packaging compatibility with assembly requirements before selection.

Q6: Which substitute offers the lowest input bias current?

A: AD8668ARUZ and AD8668ARUZ-REEL both offer 0.2 pA input bias current, compared to 10 pA for MCP6H04T-E/ST. This represents a 50-fold reduction in input bias current. All Texas Instruments substitutes (TLC series) offer 1 pA input bias current. Selection of lower input bias current parts is beneficial for high-impedance signal conditioning applications.

Q7: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (AD8668ARUZ, AD8668ARUZ-REEL, TLC2254CPW, TLC2254CPWR, TLC2264AQPWRQ1, TLC2264CPWR, TLC2274AIPW) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the MCP6H04T-E/ST compliance status.

Q8: What is the impact of higher supply current on substitute selection?

A: Supply current varies significantly among substitutes. MCP6H04T-E/ST draws 135 µA (x4 channels). AD8668ARUZ-REEL draws 1150 µA, while TLC2274AIPW draws 4800 µA. Higher supply current increases power dissipation and thermal load. For battery-powered or power-constrained applications, lower supply current parts (TLC2254CPWR at 160 µA, TLC2264CPWR at 850 µA) are preferred.

Q9: Can substitute parts with higher slew rate cause stability issues?

A: Substitute parts with higher slew rate (AD8668ARUZ-REEL at 3.5 V/µs, TLC2274AIPW at 3.6 V/µs) do not inherently cause stability issues. Stability depends on circuit design, feedback network, and load characteristics. Higher slew rate capability improves transient response and reduces settling time. Circuit validation is required for any component substitution to confirm performance in the specific application context.

Q10: What inventory levels are available for each substitute?

A: AD8668ARUZ-REEL: 7116 Pcs; TLC2264CPWR: 12978 Pcs; TLC2254CPWR: 4200 Pcs; TLC2274AIPW: 2960 Pcs; TLC2254CPW: 2100 Pcs; TLC2264AQPWRQ1: 2300 Pcs; AD8668ARUZ: 1900 Pcs. Highest inventory availability is TLC2264CPWR with 12978 Pcs. Verify current inventory status with supplier before procurement.

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