TLV2381IDBVT Equivalent & Substitute Parts

Part Overview

The TLV2381IDBVT is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This single-circuit, rail-to-rail output amplifier operates across a 2.7 V to 16 V supply range and is designed for low-power applications with a supply current of 7 µA. The device is ROHS3 compliant and carries an active product status with unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when equivalent functional performance can be achieved within the constraints of the application's electrical and mechanical requirements. Alternative models from Analog Devices Inc. are listed based on compatible package formats, output characteristics, and supply voltage specifications.

Key Parameters

Parameter	TLV2381IDBVT
Manufacturer	Texas Instruments
Amplifier Type	General Purpose
Number of Circuits	1
Output Type	Rail-to-Rail
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Mounting Type	Surface Mount
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	16 V
Operating Temperature	-40°C ~ 125°C
Slew Rate	0.06 V/µs
Gain Bandwidth Product	160 kHz
Current - Supply	7 µA
Current - Output / Channel	400 µA
Current - Input Bias	1 pA
Voltage - Input Offset	500 µV
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts are organized into two functional groups based on performance characteristics and operating temperature ranges:

Group 1: LT1782 Series (Analog Devices Inc.) The LT1782 family provides equivalent rail-to-rail output performance with improved slew rate (0.075 V/µs) and higher gain bandwidth product (225 kHz) compared to the TLV2381IDBVT. Supply voltage range spans 2.5 V to 18 V, encompassing the TLV2381IDBVT operating window. Input bias current is specified at 8 nA. Temperature-rated variants include commercial (0°C ~ 70°C), industrial (-40°C ~ 85°C), and extended (-40°C ~ 125°C) grades. All variants are packaged in TSOT-23-5 format with SOT-23-5 Thin mechanical compatibility.

Group 2: LT1783 Series (Analog Devices Inc.) The LT1783 family offers higher performance with slew rate of 0.45 V/µs and gain bandwidth product of 1.3 MHz. Input bias current increases to 40 nA, and supply current rises to 230 µA. Supply voltage range remains 2.5 V to 18 V. Temperature variants span industrial (-40°C ~ 85°C) and extended (-40°C ~ 125°C) grades. TSOT-23-5 packaging maintains mechanical compatibility.

Group 3: LT1784 Series (Analog Devices Inc.) The LT1784 represents the highest performance option with slew rate of 2.2 V/µs and gain bandwidth product of 2.6 MHz. Input offset voltage increases to 1.6 mV, and supply current reaches 750 µA. Commercial temperature rating (0°C ~ 70°C) is available. TSOT-23-5 packaging is maintained.

All substitute parts share the following critical compatibility parameters with the TLV2381IDBVT:

Single-circuit general-purpose amplifier topology
Rail-to-rail output configuration
SOT-23-5 surface mount package format
ROHS3 compliance
MSL 1 rating
Active product status

Parameter Comparison

Parameter	TLV2381IDBVT	LT1782CS5#TRMPBF	LT1782HS5#TRPBF	LT1782IS5#TRPBF	LT1783HS5#TRMPBF	LT1783IS5#TRMPBF	LT1784CS5#TRMPBF
Manufacturer	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	SC-74A, SOT-753	SOT-23-5 Thin, TSOT-23-5	SOT-23-5 Thin, TSOT-23-5	SOT-23-5 Thin, TSOT-23-5	SOT-23-5 Thin, TSOT-23-5	SOT-23-5 Thin, TSOT-23-5	SOT-23-5 Thin, TSOT-23-5
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	2.7 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V
Voltage - Supply Span (Max)	16 V	18 V	18 V	18 V	18 V	18 V	18 V
Operating Temperature	-40°C ~ 125°C	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C	0°C ~ 70°C
Slew Rate	0.06 V/µs	0.075 V/µs	0.075 V/µs	0.075 V/µs	0.45 V/µs	0.45 V/µs	2.2 V/µs
Gain Bandwidth Product	160 kHz	225 kHz	225 kHz	225 kHz	1.3 MHz	1.3 MHz	2.6 MHz
Current - Supply	7 µA	45 µA	45 µA	45 µA	230 µA	230 µA	750 µA
Current - Output / Channel	400 µA	30 mA	30 mA	30 mA	30 mA	30 mA	27 mA
Current - Input Bias	1 pA	8 nA	8 nA	8 nA	40 nA	40 nA	250 nA
Voltage - Input Offset	500 µV	500 µV	500 µV	500 µV	500 µV	500 µV	1.6 mV
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Extended Temperature Range Applications (-40°C ~ 125°C)

Applications requiring full extended temperature operation must select parts with -40°C ~ 125°C ratings. The TLV2381IDBVT operates across this range natively. Among substitutes, LT1782HS5#TRMPBF and LT1783HS5#TRMPBF provide equivalent extended temperature coverage. LT1782HS5#TRMPBF maintains lower supply current (45 µA) and input bias current (8 nA) compared to LT1783HS5#TRMPBF (230 µA supply current, 40 nA input bias). Selection between these depends on bandwidth and slew rate requirements of the specific application.

For Industrial Temperature Range Applications (-40°C ~ 85°C)

Industrial applications operating below 125°C can utilize LT1782IS5#TRPBF or LT1783IS5#TRMPBF. Both devices maintain ROHS3 compliance and MSL 1 ratings. LT1782IS5#TRPBF offers moderate performance increase with 225 kHz bandwidth and 45 µA supply current. LT1783IS5#TRMPBF provides higher performance with 1.3 MHz bandwidth at the cost of 230 µA supply current.

For Commercial Temperature Range Applications (0°C ~ 70°C)

Commercial-grade applications can select LT1782CS5#TRMPBF or LT1784CS5#TRMPBF. LT1782CS5#TRMPBF provides conservative performance with 225 kHz bandwidth and 45 µA supply current. LT1784CS5#TRMPBF delivers maximum performance with 2.6 MHz bandwidth and 2.2 V/µs slew rate, suitable for high-speed signal conditioning applications, at the expense of 750 µA supply current and 1.6 mV input offset voltage.

Supply Voltage Compatibility

All substitute parts operate across 2.5 V to 18 V, which encompasses the TLV2381IDBVT range of 2.7 V to 16 V. No supply voltage derating is required for direct substitution.

Package and Compliance Considerations

All listed substitutes are housed in TSOT-23-5 (SOT-23-5 Thin) packages, maintaining mechanical and electrical compatibility with SOT-23-5 PCB layouts. All parts carry ROHS3 compliance and MSL 1 ratings, matching the TLV2381IDBVT environmental specifications. No additional handling or storage procedures are required.

Frequently Asked Questions (FAQ)

Q: Can LT1782 series parts directly replace the TLV2381IDBVT in all applications?

A: LT1782 series parts are mechanically and electrically compatible with the TLV2381IDBVT in SOT-23-5 package footprints. However, performance differences exist. The LT1782 offers higher slew rate (0.075 V/µs vs. 0.06 V/µs) and bandwidth (225 kHz vs. 160 kHz), with increased supply current (45 µA vs. 7 µA). Temperature-rated variants must match application requirements. LT1782CS5#TRMPBF is limited to 0°C ~ 70°C, while LT1782HS5#TRMPBF and LT1782HS5#TRPBF extend to -40°C ~ 125°C.

Q: What is the difference between LT1782HS5#TRMPBF and LT1782HS5#TRPBF?

A: Both parts are identical in electrical specifications and temperature rating (-40°C ~ 125°C). The difference lies in packaging format: LT1782HS5#TRMPBF is supplied in Cut Tape (CT) & Digi-Reel format with 61,800 pieces in stock, while LT1782HS5#TRPBF is supplied in Tape & Reel (TR) format with 2,100 pieces in stock. Selection depends on procurement volume and assembly line requirements.

Q: When should I select LT1783 or LT1784 series instead of LT1782?

A: LT1783 and LT1784 series parts provide higher performance for applications requiring faster signal processing. LT1783 offers 1.3 MHz bandwidth and 0.45 V/µs slew rate, suitable for moderate-speed applications. LT1784 delivers 2.6 MHz bandwidth and 2.2 V/µs slew rate for high-speed signal conditioning. These performance improvements come at the cost of increased supply current (230 µA for LT1783, 750 µA for LT1784) and higher input bias current. Select these parts only when application bandwidth or slew rate requirements exceed LT1782 capabilities.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status, matching the TLV2381IDBVT environmental specification. No additional compliance verification is required for direct substitution in ROHS3-regulated applications.

Q: What is the significance of MSL 1 rating for all parts?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including the TLV2381IDBVT and all Analog Devices substitutes, carry this rating. Standard storage conditions (less than 30°C and 85% relative humidity) are sufficient. No special handling procedures are required prior to assembly.

Q: Can I use LT1782IS5#TRMPBF in place of LT1782IS5#TRPBF?

A: Both parts are electrically and thermally identical with -40°C ~ 85°C operating range and 225 kHz bandwidth. The difference is packaging format: LT1782IS5#TRMPBF uses Cut Tape (CT) & Digi-Reel format (1,245 pieces in stock), while LT1782IS5#TRPBF uses Tape & Reel (TR) format (2,900 pieces in stock). Selection depends on procurement volume and assembly equipment compatibility.

Q: What are the key electrical differences between TLV2381IDBVT and LT1783HS5#TRMPBF?

A: The primary differences are slew rate (0.06 V/µs vs. 0.45 V/µs), gain bandwidth product (160 kHz vs. 1.3 MHz), supply current (7 µA vs. 230 µA), and input bias current (1 pA vs. 40 nA). Both maintain 500 µV input offset voltage and rail-to-rail output. LT1783HS5#TRMPBF provides superior high-frequency performance at the cost of increased power consumption. Both support -40°C ~ 125°C operation and ROHS3 compliance.

Q: Is the input offset voltage difference between LT1784CS5#TRMPBF (1.6 mV) and TLV2381IDBVT (500 µV) significant?

A: The 1.1 mV difference in input offset voltage is application-dependent. For precision DC amplification or instrumentation requiring offset nulling, this difference may require additional calibration. For AC-coupled applications or high-gain configurations where offset is negligible relative to signal amplitude, this difference is not significant. Evaluate application requirements before selecting LT1784 series parts.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message