TLV2773CDGSR Equivalent & Substitute Parts

Part Overview

The TLV2773CDGSR is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in a 10-VSSOP surface mount package. This device features rail-to-rail output capability and is designed for general-purpose analog signal conditioning applications requiring low input bias current and low input offset voltage.

The TLV2773CDGSR is classified as Obsolete, necessitating identification of equivalent and substitute components for new designs or production continuity. Active alternatives with compatible electrical and mechanical specifications are available from multiple manufacturers.

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	700	µV
Current - Supply (x2 Channels)	1	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	0 to 70	°C
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2773CDGSR is determined by the following critical parameters:

Electrical Compatibility Criteria:

Dual-channel (2 circuits) configuration
Rail-to-rail output capability
Supply voltage range: 2.5 V to 5.5 V minimum overlap
Surface mount packaging in 10-pin TFSOP/MSOP form factor
ROHS3 compliance and MSL Level 1 rating

Acceptable Substitutes:

Substitute parts are grouped into two categories based on amplifier topology and performance characteristics:

Category 1: CMOS Topology (Direct Electrical Match)

TLV2773CDGS (Texas Instruments): Identical electrical specifications, different packaging (Tube vs. Tape & Reel), Last Time Buy status

Category 2: General Purpose Topology (Functional Equivalents)

LMV823IST (STMicroelectronics): General purpose amplifier, active product status, automotive qualified (AEC-Q100), extended temperature range (-40°C to 125°C)
MAX4327EUB+ (Analog Devices Inc./Maxim Integrated): General purpose amplifier, active product status, extended supply voltage range (2.4 V to 6.5 V)
MAX4338EUB+ and MAX4338EUB+T (Analog Devices Inc./Maxim Integrated): General purpose amplifier, active product status, higher output current capability (110 mA vs. 50 mA)

All substitute parts maintain the 10-pin TFSOP/MSOP package footprint, surface mount mounting type, and ROHS3/MSL Level 1 compliance.

Parameter Comparison

Parameter	TLV2773CDGSR	TLV2773CDGS	LMV823IST	MAX4327EUB+	MAX4338EUB+	MAX4338EUB+T
Manufacturer	Texas Instruments	Texas Instruments	STMicroelectronics	Analog Devices Inc./Maxim	Analog Devices Inc./Maxim	Analog Devices Inc./Maxim
Product Status	Obsolete	Last Time Buy	Active	Active	Active	Active
Amplifier Type	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	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
Slew Rate (V/µs)	10.5	10.5	1.9	2	1.8	1.8
Gain Bandwidth Product (MHz)	5.1	5.1	5.5	5	5	5
Current - Input Bias (pA/nA)	2 pA	2 pA	60 nA	50 nA	100 nA	100 nA
Voltage - Input Offset (µV/mV)	700 µV	700 µV	3.5 mV	1.2 mV	600 µV	600 µV
Current - Supply (µA/mA)	1 mA	1 mA	300 µA	725 µA	1.3 mA	1.3 mA
Current - Output / Channel (mA)	50	50	70	50	110	110
Voltage - Supply Span Min (V)	2.5	2.5	2.5	2.4	2.7	2.7
Voltage - Supply Span Max (V)	5.5	5.5	5.5	6.5	5.5	5.5
Operating Temperature (°C)	0 to 70	0 to 70	-40 to 125	-40 to 85	-40 to 85	-40 to 85
Package / Case	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

TLV2773CDGS is the direct equivalent to TLV2773CDGSR, offering identical electrical specifications and package footprint. This part is classified as Last Time Buy, indicating limited availability. Selection of this substitute is appropriate for applications requiring CMOS topology with ultra-low input bias current (2 pA) and high slew rate (10.5 V/µs).

For Active Product Status (Recommended for New Designs):

LMV823IST, MAX4327EUB+, MAX4338EUB+, and MAX4338EUB+T are all classified as Active products, ensuring long-term availability and supply chain continuity. These general-purpose amplifiers provide functional equivalence with the following considerations:

LMV823IST provides automotive qualification (AEC-Q100) and extended operating temperature range (-40°C to 125°C), suitable for automotive and industrial applications.
MAX4327EUB+ offers extended maximum supply voltage (6.5 V) and lower supply current (725 µA), beneficial for battery-powered applications.
MAX4338EUB+ and MAX4338EUB+T provide higher output current capability (110 mA vs. 50 mA), suitable for applications requiring increased load drive capability.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q1: Can TLV2773CDGS be used as a direct replacement for TLV2773CDGSR?

A: Yes. TLV2773CDGS is electrically identical to TLV2773CDGSR, with the same CMOS topology, slew rate (10.5 V/µs), gain bandwidth product (5.1 MHz), and input bias current (2 pA). The primary difference is packaging format (Tube vs. Tape & Reel). However, TLV2773CDGS is classified as Last Time Buy, indicating limited future availability.

Q2: What are the key differences between CMOS and General Purpose amplifier substitutes?

A: CMOS amplifiers (TLV2773CDGS) feature ultra-low input bias current (2 pA) and higher slew rate (10.5 V/µs), making them suitable for high-impedance signal sources and fast transient applications. General Purpose amplifiers (LMV823IST, MAX4327EUB+, MAX4338EUB+, MAX4338EUB+T) have higher input bias current (50–100 nA) but offer active product status, extended temperature ranges, and in some cases, higher output current capability.

Q3: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts are housed in 10-pin TFSOP/MSOP packages with 0.118" (3.00 mm) width, maintaining identical PCB footprint compatibility. Surface mount assembly processes remain unchanged.

Q4: Which substitute part is recommended for automotive applications?

A: LMV823IST is qualified to AEC-Q100 automotive standard and operates across an extended temperature range (-40°C to 125°C), making it suitable for automotive and industrial environments. This part is also classified as Active, ensuring long-term availability.

Q5: Which substitute part provides the highest output current capability?

A: MAX4338EUB+ and MAX4338EUB+T both provide 110 mA output current per channel, compared to 50 mA for the original TLV2773CDGSR. These parts are suitable for applications requiring increased load drive capability.

Q6: What is the significance of "Last Time Buy" status for TLV2773CDGS?

A: Last Time Buy status indicates that the manufacturer will accept orders only until a specified cutoff date, after which the part will no longer be available. For long-term production continuity, selection of an Active substitute part (LMV823IST, MAX4327EUB+, MAX4338EUB+, or MAX4338EUB+T) is recommended.

Q7: Do all substitute parts meet RoHS3 and MSL Level 1 requirements?

A: Yes. All substitute parts listed are ROHS3 compliant and rated MSL Level 1 (Unlimited), ensuring compatibility with standard lead-free PCB assembly processes and storage conditions without moisture baking requirements.

Q8: Which substitute part offers the lowest supply current consumption?

A: LMV823IST operates at 300 µA total supply current (x2 channels), compared to 1 mA for the original TLV2773CDGSR. This makes LMV823IST suitable for battery-powered and low-power applications.

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