TLV2772CDGK Equivalent & Substitute Parts

Part Overview

The TLV2772CDGK is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in an 8-VSSOP surface mount package. This device features rail-to-rail output capability and is designed for low-power analog signal processing applications. The part is classified as Last Time Buy, indicating that Texas Instruments has discontinued this specific configuration. Equivalent and substitute parts are necessary to maintain design continuity and ensure long-term component availability for production and field service applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
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	500	µV
Current - Supply (per Channel)	1	mA
Current - Output per Channel	50	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	0 to 70	°C
Mounting Type	Surface Mount	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2772CDGK is determined by the following critical parameters: amplifier type (CMOS), number of circuits (2), output type (rail-to-rail), supply voltage range (2.5 V to 5.5 V), package compatibility (8-VSSOP, 8-MSOP, or 8-MiniSO), and surface mount mounting type. Substitute parts must maintain functional equivalence within the specified electrical operating window and physical footprint constraints.

The substitute parts are grouped into the following categories:

Direct Equivalent (Active Status): TLV2772CDGKR from Texas Instruments provides identical electrical specifications with active product status, ensuring long-term availability.

CMOS Amplifiers with Enhanced Performance: AD8602ARMZ and AD8602ARMZ-REEL from Analog Devices Inc. offer improved input bias current (0.2 pA versus 2 pA), lower input offset voltage (80 µV versus 500 µV), and extended operating temperature range (-40°C to 125°C). These devices maintain CMOS architecture and rail-to-rail output within compatible package formats.

General Purpose Amplifiers: AD8692ARMZ-REEL from Analog Devices Inc. and LMV822IST/LMV822IYST from STMicroelectronics provide general-purpose amplifier functionality with rail-to-rail output. These parts accommodate the supply voltage range and offer extended temperature ratings. LMV822 variants include automotive-grade qualification (AEC-Q100).

Legacy and Obsolete Options: FAN4852IMU8X from onsemi is marked as obsolete but remains available in inventory. MAX4252EUA+, MAX4252EUA+T, and MAX4257EUA+ from Analog Devices Inc./Maxim Integrated offer push-pull rail-to-rail output with varying slew rates and gain bandwidth products.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
TLV2772CDGK	Texas Instruments	CMOS	2	Rail-to-Rail	10.5	5.1	2	500	1	50	2.5	5.5	0 to 70	8-VSSOP	Last Time Buy
TLV2772CDGKR	Texas Instruments	CMOS	2	Rail-to-Rail	10.5	5.1	2	500	1	50	2.5	5.5	0 to 70	8-VSSOP	Active
AD8602ARMZ	Analog Devices Inc.	CMOS	2	Rail-to-Rail	6	8.4	0.2	80	0.75	50	2.7	5.5	-40 to 125	8-MSOP	Active
AD8602ARMZ-REEL	Analog Devices Inc.	CMOS	2	Rail-to-Rail	6	8.4	0.2	80	0.75	50	2.7	5.5	-40 to 125	8-MSOP	Active
AD8692ARMZ-REEL	Analog Devices Inc.	General Purpose	2	Rail-to-Rail	5	10	1	400	0.95	80	2.7	6	-40 to 125	8-MSOP	Active
FAN4852IMU8X	onsemi	CMOS	2	Rail-to-Rail	6.1	9	0.1	300	0.9	90	2.5	5	-40 to 85	8-MSOP	Obsolete
LMV822IST	STMicroelectronics	General Purpose	2	Rail-to-Rail	1.9	5.5	60	3500	0.3	70	2.5	5.5	-40 to 125	8-MiniSO	Active
LMV822IYST	STMicroelectronics	General Purpose	2	Rail-to-Rail	1.9	5.5	60	3500	0.3	70	2.5	5.5	-40 to 125	8-MiniSO	Active
MAX4252EUA+	Analog Devices Inc./Maxim Integrated	General Purpose	2	Push-Pull, Rail-to-Rail	0.3	3	0.1	70	0.42	68	2.4	5.5	-40 to 85	8-uMAX/uSOP	Active
MAX4252EUA+T	Analog Devices Inc./Maxim Integrated	General Purpose	2	Push-Pull, Rail-to-Rail	0.3	3	0.1	70	0.42	68	2.4	5.5	-40 to 85	8-uMAX/uSOP	Active
MAX4257EUA+	Analog Devices Inc./Maxim Integrated	General Purpose	2	Push-Pull, Rail-to-Rail	2.1	22	0.1	70	0.42	68	2.4	5.5	-40 to 85	8-uMAX/uSOP	Active

Engineering Selection Recommendations

Primary Recommendation: TLV2772CDGKR from Texas Instruments is the direct equivalent with identical electrical specifications and active product status. This part maintains full compatibility with existing designs and provides assured long-term availability from the original manufacturer.

Secondary Recommendation for Enhanced Performance: AD8602ARMZ-REEL from Analog Devices Inc. offers superior input characteristics (0.2 pA input bias current, 80 µV input offset voltage) and extended operating temperature range (-40°C to 125°C). This part is suitable for applications requiring improved precision and wider temperature operation. Both AD8602ARMZ and AD8602ARMZ-REEL variants are ROHS3 compliant and carry identical electrical specifications; selection between them depends on packaging requirements (tube versus cut tape/reel).

Automotive-Grade Option: LMV822IST and LMV822IYST from STMicroelectronics provide AEC-Q100 automotive qualification with extended temperature range (-40°C to 125°C). These parts are suitable for automotive and industrial applications requiring formal qualification documentation. Note that input bias current (60 nA) and input offset voltage (3.5 mV) differ significantly from the TLV2772CDGK.

High-Speed Alternative: MAX4257EUA+ from Analog Devices Inc./Maxim Integrated provides the highest gain bandwidth product (22 MHz) among available substitutes with push-pull rail-to-rail output. This part is appropriate for applications requiring enhanced frequency response.

All recommended substitute parts maintain ROHS3 compliance, MSL Level 1 (unlimited moisture sensitivity), and surface mount mounting type. Selection should be based on specific application requirements for input offset voltage, input bias current, slew rate, gain bandwidth product, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can TLV2772CDGKR be used as a direct replacement for TLV2772CDGK?

A: Yes. TLV2772CDGKR provides identical electrical specifications, including slew rate (10.5 V/µs), gain bandwidth product (5.1 MHz), input bias current (2 pA), input offset voltage (500 µV), supply current (1 mA per channel), and output current (50 mA per channel). The primary difference is product status: TLV2772CDGKR is active, while TLV2772CDGK is Last Time Buy. Both use the 8-VSSOP package.

Q: What are the key differences between AD8602ARMZ and the TLV2772CDGK?

A: AD8602ARMZ maintains CMOS amplifier architecture and rail-to-rail output but differs in the following parameters: slew rate (6 V/µs versus 10.5 V/µs), gain bandwidth product (8.4 MHz versus 5.1 MHz), input bias current (0.2 pA versus 2 pA), input offset voltage (80 µV versus 500 µV), supply current (750 µA versus 1 mA per channel), and operating temperature range (-40°C to 125°C versus 0°C to 70°C). The package is 8-MSOP instead of 8-VSSOP, though both are 0.118" width, 3.00mm packages.

Q: Are LMV822IST and LMV822IYST interchangeable?

A: LMV822IST and LMV822IYST are functionally identical with the same electrical specifications. The difference is packaging: LMV822IST is supplied in tape and reel format, while LMV822IYST is supplied in cut tape and digi-reel format. Both are AEC-Q100 qualified for automotive applications.

Q: Can MAX4252EUA+ replace TLV2772CDGK in all applications?

A: MAX4252EUA+ is not a direct replacement. While both are dual-channel, rail-to-rail amplifiers in compatible packages, MAX4252EUA+ has significantly lower slew rate (0.3 V/µs versus 10.5 V/µs) and lower gain bandwidth product (3 MHz versus 5.1 MHz). MAX4252EUA+ is suitable only for applications where these reduced performance parameters are acceptable.

Q: What is the significance of the 8-VSSOP versus 8-MSOP package designation?

A: Both 8-VSSOP and 8-MSOP are surface mount packages with 0.118" width and 3.00mm body width, making them physically compatible on standard PCB layouts. However, they are distinct package types with different lead configurations. Verify PCB footprint compatibility before substitution. The TLV2772CDGK uses 8-VSSOP; most substitutes use 8-MSOP or 8-MiniSO.

Q: Why does FAN4852IMU8X have obsolete status?

A: FAN4852IMU8X is marked as obsolete by onsemi, indicating that the manufacturer has discontinued this product line. Although inventory is currently available (45,200 pieces), future availability is not assured. This part should be used only when no active alternatives are suitable.

Q: What does ROHS3 compliance mean for these amplifiers?

A: ROHS3 compliance indicates that the device meets the Restriction of Hazardous Substances Directive 3, which restricts the use of specific hazardous materials including lead, mercury, cadmium, hexavalent chromium, and certain brominated flame retardants. All listed substitute parts are ROHS3 compliant, ensuring environmental and regulatory conformance.

Q: How does input bias current affect circuit design?

A: Input bias current (measured in pA or nA) represents the small DC current flowing into the amplifier inputs. Lower input bias current reduces errors in high-impedance circuits and minimizes offset drift. TLV2772CDGK has 2 pA input bias current; AD8602ARMZ has 0.2 pA (10 times lower); LMV822 variants have 60 nA (30,000 times higher). Selection depends on circuit impedance and precision requirements.

Q: What is the difference between CMOS and General Purpose amplifier types?

A: CMOS amplifiers (TLV2772CDGK, AD8602ARMZ, FAN4852IMU8X) are optimized for low power consumption and high input impedance. General Purpose amplifiers (AD8692ARMZ-REEL, LMV822, MAX4252, MAX4257) offer broader performance characteristics and may include additional features such as automotive qualification or enhanced output drive capability. Selection depends on specific application requirements.

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