TLV2434CDR Equivalent & Substitute Parts

Part Overview

The TLV2434CDR is an active linear amplifier integrated circuit manufactured by Texas Instruments, classified within the LinCMOS™ series. This CMOS 4-circuit operational amplifier is designed for rail-to-rail output applications in 14-SOIC surface mount packaging. The device is currently in active production status with 4665 units in stock inventory.

The TLV2434CDR serves applications requiring low-power CMOS amplification with rail-to-rail output capability across a 2.7V to 10V supply range. Substitute parts are identified when equivalent functional performance can be achieved within the constraints of the allowed electrical and mechanical parameters for this product category, particularly when the primary part becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	TLV2434CDR	—
Manufacturer	Texas Instruments	—
Number of Circuits	4	—
Amplifier Type	CMOS	—
Output Type	Rail-to-Rail	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	10	V
Operating Temperature	0°C ~ 70°C	—
Slew Rate	0.25	V/µs
Gain Bandwidth Product	550	kHz
Current - Input Bias	1	pA
Voltage - Input Offset	300	µV
Current - Supply	100	µA (x4 Channels)
Current - Output / Channel	50	mA
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution of the TLV2434CDR is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Number of Circuits: 4 channels
Output Type: Rail-to-Rail
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Parameter Ranges for Substitution:

Voltage - Supply Span (Min): Must support 2.7V minimum
Voltage - Supply Span (Max): Must support at least 10V maximum
Operating Temperature: Must encompass or exceed 0°C ~ 70°C range
Slew Rate: Must be equal to or greater than 0.25V/µs
Gain Bandwidth Product: Must be equal to or greater than 550 kHz
Current - Input Bias: Must be equal to or less than 1 pA
Voltage - Input Offset: Must be equal to or less than 300 µV
Current - Supply: Must be equal to or less than 100µA (x4 Channels)
Current - Output / Channel: Must be equal to or greater than 50 mA

The three identified substitute parts (AD8040ARZ-REEL7, MC33204DR2G, NCV33204DR2G) meet all mandatory matching parameters and fall within the allowable electrical performance ranges.

Parameter Comparison

Parameter	TLV2434CDR	AD8040ARZ-REEL7	MC33204DR2G	NCV33204DR2G
Manufacturer	Texas Instruments	Analog Devices Inc.	onsemi	onsemi
Number of Circuits	4	4	4	4
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Voltage - Supply Span (Min)	2.7V	2.7V	1.8V	1.8V
Voltage - Supply Span (Max)	10V	12V	12V	12V
Operating Temperature	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 105°C	-55°C ~ 125°C
Slew Rate	0.25V/µs	63V/µs	1V/µs	1V/µs
Gain Bandwidth Product	550 kHz	125 MHz	2.2 MHz	2.2 MHz
Current - Input Bias	1 pA	700 nA	80 nA	80 nA
Voltage - Input Offset	300 µV	1.6 mV	10 mV	10 mV
Current - Supply	100µA (x4)	1.4mA (x4)	900µA (x4)	900µA (x4)
Current - Output / Channel	50 mA	170 mA	80 mA	80 mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active
Inventory (Pcs)	4665	2680	10100	18223

Engineering Selection Recommendations

All three substitute parts maintain active product status with ROHS3 compliance and MSL Level 1 rating, ensuring regulatory and environmental compatibility with the TLV2434CDR.

AD8040ARZ-REEL7 (Analog Devices Inc.): This substitute provides the highest performance margin across dynamic parameters, with slew rate of 63V/µs and gain bandwidth product of 125 MHz, both significantly exceeding TLV2434CDR specifications. Operating temperature range extends to -40°C ~ 125°C. Current supply per channel increases to 1.4mA, and output current capability reaches 170 mA per channel. This part is suitable for applications requiring enhanced speed and output drive capability within the 2.7V to 12V supply range.

MC33204DR2G (onsemi): This substitute operates across an extended minimum supply voltage of 1.8V while maintaining the 12V maximum. Slew rate of 1V/µs and gain bandwidth product of 2.2 MHz provide moderate performance enhancement. Operating temperature range of -40°C ~ 105°C and current supply of 900µA per channel represent intermediate performance characteristics. Output current capability is 80 mA per channel. This part is suitable for general-purpose applications requiring moderate performance enhancement and lower minimum supply voltage operation.

NCV33204DR2G (onsemi): This substitute is qualified to AEC-Q100 automotive standards with operating temperature range of -55°C ~ 125°C, the widest temperature specification among all options. Electrical parameters match MC33204DR2G (1V/µs slew rate, 2.2 MHz gain bandwidth product, 900µA supply current, 80 mA output current). This part is designated for automotive-grade applications requiring extended temperature operation and automotive qualification compliance.

Frequently Asked Questions (FAQ)

Q: Can the AD8040ARZ-REEL7 be used as a direct replacement for TLV2434CDR in all applications?

A: The AD8040ARZ-REEL7 meets all mandatory package and functional requirements (4 circuits, rail-to-rail output, 14-SOIC package). However, the significantly higher slew rate (63V/µs vs. 0.25V/µs) and gain bandwidth product (125 MHz vs. 550 kHz) represent substantial performance enhancements. Applications sensitive to these parameter differences must be evaluated for compatibility. The higher supply current (1.4mA vs. 100µA per channel) may impact power budget calculations.

Q: What is the key difference between MC33204DR2G and NCV33204DR2G?

A: Both parts share identical electrical specifications (1V/µs slew rate, 2.2 MHz gain bandwidth product, 900µA supply current, 80 mA output current). The primary distinction is that NCV33204DR2G carries AEC-Q100 automotive qualification and operates across -55°C ~ 125°C, compared to MC33204DR2G at -40°C ~ 105°C. Selection depends on automotive-grade requirements and extended temperature operation needs.

Q: Are all substitute parts compatible with the 2.7V minimum supply voltage of the TLV2434CDR?

A: AD8040ARZ-REEL7 and MC33204DR2G both support 2.7V minimum supply voltage. NCV33204DR2G supports 1.8V minimum, providing additional margin below the TLV2434CDR specification. All three parts support the 10V maximum supply requirement.

Q: Does the 14-SOIC package remain identical across all parts?

A: Yes. All substitute parts use 14-SOIC (0.154", 3.90mm Width) packaging, ensuring mechanical and electrical pin compatibility. Surface mount mounting type is consistent across all options.

Q: What inventory availability should be considered?

A: Current inventory levels are: TLV2434CDR (4665 Pcs), AD8040ARZ-REEL7 (2680 Pcs), MC33204DR2G (10100 Pcs), NCV33204DR2G (18223 Pcs). MC33204DR2G and NCV33204DR2G offer significantly higher stock levels for extended supply chain security.

Q: How do input bias current specifications compare?

A: TLV2434CDR specifies 1 pA input bias current. All substitutes exceed this specification: AD8040ARZ-REEL7 (700 nA), MC33204DR2G (80 nA), NCV33204DR2G (80 nA). Lower input bias current in substitutes represents improved performance for high-impedance input applications.

Q: Are there supply current trade-offs with the substitute parts?

A: Yes. TLV2434CDR operates at 100µA per 4 channels. AD8040ARZ-REEL7 requires 1.4mA (14x increase), while MC33204DR2G and NCV33204DR2G require 900µA (9x increase). Applications with strict power budget constraints must account for this increased quiescent current consumption.

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