TLV2370IDBVRG4 Equivalent & Substitute Parts

Part Overview

The TLV2370IDBVRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 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 obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility through matching electrical specifications and package form factors.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	2.1	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	2	mV
Current - Supply	750	µA
Current - Output / Channel	16	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	-40 to 125	°C
Package / Case	SOT-23-6	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2370IDBVRG4 is determined by the following critical parameters:

Primary Compatibility Criteria:

Package form factor: SOT-23-6 or TSOT-23-6 (thin variant)
Mounting type: Surface mount
Output configuration: Rail-to-rail
Single circuit configuration
General-purpose amplifier classification

Secondary Compatibility Criteria:

Supply voltage range overlap: Minimum 2.7 V, maximum 16 V
Operating temperature range compatibility
Electrical performance parameters: slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current

Substitute parts are grouped into two categories:

Category 1: Texas Instruments TLV2370 Series (Direct Manufacturer Substitutes)

TLV2370IDBVR: Active product status, identical electrical specifications, same package, higher inventory availability

Category 2: Analog Devices LT1782/LT1783 Series (Cross-Manufacturer Substitutes)

LT1782 variants: Lower slew rate (0.075 V/µs), lower gain bandwidth product (225 kHz), lower supply current (45 µA), higher input bias current (8 nA)
LT1783 variants: Intermediate performance between LT1782 and TLV2370, slew rate 0.45 V/µs, gain bandwidth product 1.3 MHz

These substitutes maintain SOT-23-6 package compatibility and rail-to-rail output configuration while offering different performance trade-offs suitable for specific application requirements.

Parameter Comparison

Parameter	TLV2370IDBVRG4	TLV2370IDBVR	LT1782CS6#TRMPBF	LT1782HS6#TRMPBF	LT1782IS6#TRMPBF	LT1783CS6#TRMPBF
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	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
Slew Rate (V/µs)	2.1	2.1	0.075	0.075	0.075	0.45
Gain Bandwidth Product (MHz)	3	3	0.225	0.225	0.225	1.3
Current - Input Bias (pA/nA)	1 pA	1 pA	8 nA	8 nA	8 nA	40 nA
Voltage - Input Offset (mV/µV)	2 mV	2 mV	500 µV	500 µV	500 µV	500 µV
Current - Supply (µA)	750	750	45	45	45	230
Current - Output / Channel (mA)	16	16	30	30	30	30
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.5 V	2.5 V	2.5 V	2.5 V
Voltage - Supply Span (Max)	16 V	16 V	18 V	18 V	18 V	18 V
Operating Temperature (°C)	-40 to 125	-40 to 125	0 to 70	-40 to 125	-40 to 85	0 to 70
Package / Case	SOT-23-6	SOT-23-6	TSOT-23-6	TSOT-23-6	TSOT-23-6	TSOT-23-6
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
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute: TLV2370IDBVR

The TLV2370IDBVR is the recommended direct substitute for the obsolete TLV2370IDBVRG4. This part maintains identical electrical specifications, package configuration, and operating temperature range. The primary distinction is product status: TLV2370IDBVR is active with significantly higher inventory availability (16,047 units) compared to the obsolete TLV2370IDBVRG4 (681 units). Both parts are ROHS3 compliant and carry identical regulatory certifications. This substitution requires no circuit redesign or performance trade-offs.

Secondary Substitutes: Analog Devices LT1782 Series

The LT1782 family (LT1782CS6#TRMPBF, LT1782HS6#TRMPBF, LT1782IS6#TRMPBF, LT1782IS6#TRPBF) provides cross-manufacturer substitution with compatible SOT-23-6 packaging and rail-to-rail output. These parts are active products with substantial inventory availability. However, electrical performance differs significantly: slew rate is reduced to 0.075 V/µs (versus 2.1 V/µs), gain bandwidth product is 225 kHz (versus 3 MHz), and supply current is substantially lower at 45 µA (versus 750 µA). Selection among LT1782 variants depends on operating temperature requirements: LT1782HS6 variants support -40°C to 125°C, matching the original part's temperature range; LT1782IS6 variants support -40°C to 85°C; LT1782CS6 variants support 0°C to 70°C.

Tertiary Substitutes: Analog Devices LT1783 Series

The LT1783 family (LT1783CS6#TRMPBF, LT1783CS6#TRPBF) offers intermediate performance between the TLV2370 and LT1782 series. Slew rate is 0.45 V/µs and gain bandwidth product is 1.3 MHz, providing better dynamic performance than LT1782 while consuming less power than TLV2370. Both variants support 0°C to 70°C operating temperature. These parts are active with good inventory availability (2,916 and 3,300 units respectively).

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and REACH unaffected status, ensuring regulatory compatibility with the original component.

Frequently Asked Questions (FAQ)

Q: Can TLV2370IDBVR be used as a direct replacement for TLV2370IDBVRG4?

A: Yes. TLV2370IDBVR is the active equivalent of the obsolete TLV2370IDBVRG4. Both parts share identical electrical specifications, package configuration (SOT-23-6), operating temperature range (-40°C to 125°C), and regulatory certifications. No circuit modifications are required.

Q: What are the key differences between TLV2370 and LT1782 series amplifiers?

A: The primary differences are slew rate (2.1 V/µs for TLV2370 versus 0.075 V/µs for LT1782), gain bandwidth product (3 MHz versus 225 kHz), and supply current (750 µA versus 45 µA). The LT1782 is optimized for low-power applications with reduced dynamic performance, while the TLV2370 provides higher speed operation at higher power consumption.

Q: Are LT1782 and LT1783 parts pin-compatible with TLV2370?

A: Yes. All parts use the SOT-23-6 or TSOT-23-6 package with identical pinout configuration. TSOT-23-6 is a thin variant of SOT-23-6 and maintains mechanical and electrical compatibility for surface mount applications.

Q: Which LT1782 variant should be selected for extended temperature range applications?

A: LT1782HS6#TRMPBF or LT1782HS6#TRPBF support the full -40°C to 125°C operating temperature range, matching the original TLV2370IDBVRG4 specification. LT1782IS6 variants are limited to -40°C to 85°C, and LT1782CS6 variants are limited to 0°C to 70°C.

Q: What is the difference between LT1782CS6#TRMPBF and LT1782CS6#TRPBF?

A: Both parts have identical electrical specifications and operating temperature range (0°C to 70°C). The difference is in packaging designation: TRMPBF indicates Tape & Reel with moisture barrier bag, while TRPBF indicates Tape & Reel with standard packaging. Both are suitable for automated assembly processes.

Q: Can LT1783 be used as a substitute for TLV2370?

A: LT1783 provides intermediate performance characteristics suitable for applications where TLV2370 performance exceeds requirements but LT1782 performance is insufficient. Slew rate is 0.45 V/µs and gain bandwidth product is 1.3 MHz. Operating temperature range is limited to 0°C to 70°C. Circuit validation is required to confirm suitability for specific applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. TLV2370IDBVR, all LT1782 variants, and all LT1783 variants are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and REACH unaffected status.

Q: What is the inventory status of substitute parts?

A: TLV2370IDBVR has 16,047 units in stock. LT1782 variants range from 1,600 to 6,091 units depending on specific part number. LT1783 variants have 2,916 to 3,300 units in stock. All substitute parts are classified as active products.

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