TLV2772AMDR CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLV2772AMDR is a dual-channel CMOS operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability and is designed for low-power analog signal processing applications. The TLV2772AMDR is classified as obsolete product status, making identification of functionally equivalent active alternatives essential for new designs and production continuity.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	10.5	V/µs
Gain Bandwidth Product	5.1	MHz
Current - Input Bias	2	pA
Voltage - Input Offset	360	µV
Current - Supply (per Channel)	1	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature Range	-55 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the TLV2772AMDR is determined by strict alignment of the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB footprint compatibility without layout redesign.

Functional Architecture: Dual-channel (2 circuits) configuration with rail-to-rail output capability is mandatory for functional equivalence.

Electrical Operating Range: Supply voltage span must encompass or exceed the original 2.5V to 5.5V range. Operating temperature range must support the application's thermal requirements.

Performance Characteristics: Slew rate, gain bandwidth product, input bias current, input offset voltage, and output current drive capability determine signal fidelity and circuit performance. Substitutes with comparable or superior specifications maintain functional compatibility.

Amplifier Type Classification: CMOS amplifiers are grouped separately from general-purpose operational amplifiers due to distinct input impedance and bias current characteristics.

Substitute parts are organized into two functional groups: CMOS amplifiers (direct technology match) and general-purpose amplifiers (functional equivalents with different input stage topology).

Parameter Comparison

Parameter	TLV2772AMDR	AD8602ARZ	AD8602ARZ-REEL	AD8602ARZ-REEL7	AD8602WARZ-R7	LMV822IDT	LMV822IYDT	MAX4326ESA+	MAX4326ESA+T	MCP602T-E/SN	MCP6282-E/SN
Manufacturer	Texas Instruments	Analog Devices	Analog Devices	Analog Devices	Analog Devices	STMicroelectronics	STMicroelectronics	Analog Devices/Maxim	Analog Devices/Maxim	Microchip	Microchip
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
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	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	10.5	6	6	6	6	1.9	1.9	2	2	2.3	2.5
Gain Bandwidth Product (MHz)	5.1	8.4	8.4	8.4	8.4	5.5	5.5	5	5	2.8	5
Current - Input Bias (pA)	2	0.2	0.2	0.2	0.2	60 nA	60 nA	50 nA	50 nA	1	1
Voltage - Input Offset (µV)	360	80	80	80	80	3500	3500	700	700	700	3000
Current - Supply per Channel (µA)	1000	750	750	750	750	300	300	725	725	230	450
Current - Output / Channel (mA)	50	50	50	50	50	70	70	50	50	22	25
Voltage - Supply Span Min (V)	2.5	2.7	2.7	2.7	2.7	2.5	2.5	2.4	2.4	2.7	2.2
Voltage - Supply Span Max (V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	6.5	6.5	6	5.5
Operating Temperature (°C)	-55 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-40 to 125	-40 to 125
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary CMOS Substitutes (Recommended for Direct Replacement):

The AD8602 series (AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7) from Analog Devices represents the closest functional equivalent to the TLV2772AMDR. All variants maintain CMOS amplifier architecture with dual-channel rail-to-rail output in 8-SOIC packaging. These parts are in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). The AD8602 series demonstrates superior input bias current (0.2 pA versus 2 pA) and lower input offset voltage (80 µV versus 360 µV), providing improved precision. Gain bandwidth product of 8.4 MHz exceeds the original specification. Supply voltage range (2.7V to 5.5V) encompasses the TLV2772AMDR operating window. Packaging variants (tube, tape & reel, cut tape & digi-reel) accommodate different procurement and assembly workflows.

Secondary CMOS Substitute (Lower Power Alternative):

The MCP602T-E/SN from Microchip Technology provides CMOS amplifier architecture with dual channels and rail-to-rail output in 8-SOIC package. This device operates at reduced supply current (230 µA per channel versus 1 mA), making it suitable for battery-powered or power-constrained applications. Operating temperature range extends to 125°C. Trade-offs include lower gain bandwidth product (2.8 MHz) and reduced output current capability (22 mA versus 50 mA). Supply voltage range (2.7V to 6V) is compatible.

General-Purpose Amplifier Alternatives (Functional Equivalents):

The LMV822 series (LMV822IDT, LMV822IYDT) from STMicroelectronics and MAX4326 series (MAX4326ESA+, MAX4326ESA+T) from Analog Devices/Maxim Integrated provide general-purpose operational amplifier architecture with dual channels and rail-to-rail output in 8-SOIC packaging. These devices are active production status with ROHS3 compliance. The LMV822 series includes AEC-Q100 automotive qualification. Input bias current is significantly higher (50-60 nanoamperes) compared to CMOS devices, affecting high-impedance signal conditioning applications. The MAX4326 series supports extended supply voltage range (2.4V to 6.5V) but operates at reduced temperature maximum (85°C). MCP6282-E/SN from Microchip provides general-purpose amplification with extended lower supply voltage limit (2.2V).

Compliance and Regulatory Status:

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard manufacturing processes. REACH status is unaffected across all alternatives. ECCN classification remains EAR99 for all devices.

Frequently Asked Questions (FAQ)

Q: Can the AD8602ARZ directly replace the TLV2772AMDR without PCB modifications?

A: Yes. Both devices use identical 8-SOIC (0.154", 3.90mm Width) surface mount packaging with the same pinout configuration for dual-channel amplifiers. No PCB layout changes are required. Electrical performance of the AD8602ARZ meets or exceeds TLV2772AMDR specifications across all critical parameters.

Q: What is the primary difference between CMOS and general-purpose amplifier substitutes?

A: CMOS amplifiers (AD8602, MCP602) feature extremely low input bias current (picoampere range), making them suitable for high-impedance signal sources and precision instrumentation. General-purpose amplifiers (LMV822, MAX4326, MCP6282) exhibit higher input bias current (nanoampere range) but may offer lower cost or additional features. Selection depends on application input impedance requirements.

Q: Does the AD8602 series support the full -55°C to 125°C temperature range of the TLV2772AMDR?

A: The AD8602 series operates from -40°C to 125°C, covering the upper temperature range but not the extended lower limit (-55°C). For applications requiring -55°C operation, the TLV2772AMDR or equivalent parts with extended low-temperature ratings must be specified. The MCP602T-E/SN and MCP6282-E/SN support -40°C to 125°C range.

Q: What packaging options are available for the AD8602 substitute?

A: The AD8602 is available in three packaging formats: AD8602ARZ (tube), AD8602ARZ-REEL (tape & reel), and AD8602ARZ-REEL7 (cut tape & digi-reel). Selection depends on production volume and assembly equipment compatibility. All three variants are electrically identical.

Q: Is the MCP602T-E/SN suitable for high-speed signal processing applications?

A: The MCP602T-E/SN has a gain bandwidth product of 2.8 MHz and slew rate of 2.3 V/µs, which is lower than the TLV2772AMDR (5.1 MHz and 10.5 V/µs respectively). This device is optimized for low-power operation rather than high-speed performance. Applications requiring the original slew rate and bandwidth should use AD8602 or LMV822 series alternatives.

Q: Can the MAX4326 series operate at 2.5V supply voltage?

A: The MAX4326 series minimum supply voltage is 2.4V, which is compatible with 2.5V operation. However, the maximum operating temperature is limited to 85°C compared to the TLV2772AMDR specification of 125°C. Verify thermal requirements before selection.

Q: What is the significance of the "W" designation in AD8602WARZ-R7?

A: The "W" in the part number indicates a specific temperature or performance grade variant within the AD8602 family. All AD8602 variants (standard, W-grade) maintain the same electrical specifications and 8-SOIC packaging. Consult the manufacturer datasheet for grade-specific details.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and unlimited moisture sensitivity level (MSL 1), meeting current environmental and manufacturing standards.

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