Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments TLV2434CD

Name: TLV2434CD
Brand: Texas Instruments
SKU: TLV2434CD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: TLV2434CD

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: TLV2434CD.pdf

Description:: IC CMOS 4 CIRCUIT 14SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,069

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

TLV2434CD from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for low-voltage, low-power applications. It delivers 115–150 µA per channel supply current, 0.25 V/µs slew rate at 5 V, and 950 µV max input offset voltage (TLV2434A variant), enabling precision signal conditioning in battery-powered sensor interfaces and ADC front-ends.

For engineers reviewing the TLV2434CD datasheet, TLV2434CD pinout, TLV2434CD application, or TLV2434CD equivalent, key selection criteria include its 0–4.5 V common-mode input range with 5 V supply, 63–90 dB CMRR, 18 nV/√Hz input voltage noise at 1 kHz, and SOIC-14 package compatibility with space-constrained industrial monitoring systems.

Technical Context

The TLV2434CD uses CMOS input stage architecture with Class AB output stage, supporting rail-to-rail output swing without phase inversion when inputs reach supply rails. Its high input impedance (>1 TΩ) and ultra-low input bias current (1 pA typ) preserve signal integrity from high-impedance sources like piezoelectric transducers and pH electrodes.

It operates across 2.7–10 V supply range with full characterization at 3 V and 5 V, delivering stable unity-gain performance (66° phase margin) into 2 kΩ//100 pF loads. The device exhibits no input stage crossover distortion and maintains 0.55 MHz gain-bandwidth product at 5 V with AV = 10 configuration.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	2.7 V to 10 V - supports single-cell Li-ion (3.0–3.7 V) and dual-AA (3.0 V) battery operation without regulation.
Input Offset Voltage (max)	950 µV at TA = 25°C - enables ≤0.02% error in 5 V full-scale 12-bit ADC interfacing with gain = 1.
Supply Current per Channel	150 µA max at TA = 25°C - allows four-channel operation under 600 µA total, critical for multi-sensor IoT nodes.
Common-Mode Input Range	0 V to 4.5 V (min) at VDD = 5 V - accepts ground-referenced signals and supports single-supply sensor biasing.
Output Drive Capability	±5 mA into 600 Ω load - directly drives telecom line drivers and analog multiplexer outputs without buffer stages.
Input Voltage Noise	18 nV/√Hz at f = 1 kHz - preserves SNR in low-frequency sensor amplification (e.g., thermopile, strain gauge).
CMRR	63–90 dB - rejects power supply ripple and shared-ground interference in mixed-signal PCB layouts.

Pinout & Package

TLV2434CD is housed in a 14-pin SOIC (D package) with standard quad op-amp pinout. Pin 1 is Channel A non-inverting input; pins 2–7 and 8–13 are configured as two independent dual-op-amp sections; pin 14 is VDD, pin 7 is VSS (GND).

Pin/Terminal	Circuit Role	Design Meaning
1	Channel A IN+	Non-inverting input for first amplifier - high-impedance node requiring guarded trace routing.
2	Channel A IN−	Inverting input for first amplifier - connects to feedback network or sensor reference point.
3	Channel A OUT	Amplified output of Channel A - capable of sourcing/sinking ±5 mA into resistive loads.
4	VSS (GND)	Power ground reference - must be low-impedance star point for all four channels' return paths.
5	Channel B IN+	Non-inverting input for second amplifier - electrically isolated from Channel A inputs.
6	Channel B IN−	Inverting input for second amplifier - used for differential or inverting configurations.
7	Channel B OUT	Amplified output of Channel B - shares VSS with other channels but requires individual decoupling.
8	Channel C OUT	Amplified output of third amplifier - pin 8 is output, not input; layout must avoid crosstalk to adjacent pins.
9	Channel C IN−	Inverting input for third amplifier - matches pin 2/6 electrical characteristics for matched gain networks.
10	Channel C IN+	Non-inverting input for third amplifier - symmetric layout recommended versus Channel A/B.
11	VDD	Positive supply rail - requires 0.1 µF ceramic + 10 µF tantalum decoupling at package edge.
12	Channel D IN+	Non-inverting input for fourth amplifier - last channel in sequence; sensitive to VDD noise coupling.
13	Channel D IN−	Inverting input for fourth amplifier - routed away from clock or digital switching traces.
14	Channel D OUT	Amplified output of Channel D - completes quad functionality; output loading affects thermal dissipation.

Key Features

Feature	Design Value
Rail-to-rail output swing	Drives within 10 mV of VDD and VSS at light load - maximizes dynamic range for 5 V ADCs with 0–5 V input span.
No phase inversion at rail inputs	Prevents latch-up or transient errors when common-mode voltage reaches VDD or VSS - eliminates need for input clamping diodes.
1 pA typical input bias current	Minimizes voltage drop across >1 MΩ sensor source impedances - avoids >1 mV offset error in high-Z pH probe circuits.
18 nV/√Hz input voltage noise	Enables <1 µVpp integrated noise in 10 Hz–1 kHz band - suitable for precision medical ECG front-end amplification.
600 Ω output drive capability	Directly interfaces with legacy telecom line drivers and analog switch ICs without external buffers - reduces BOM count.

Applications

Industrial Sensor Signal Conditioning	Portable Medical Instrumentation
Use Scenario: Amplifying low-level output from RTD or thermistor bridges in factory-floor temperature controllers. IC Role / Device Role / Timing Role: Quad-channel instrumentation amplifier front-end providing gain, filtering, and rail-to-rail buffering before 12-bit SAR ADC sampling. Use Value: 950 µV max VIO ensures ≤0.02% full-scale error; 150 µA/channel current enables 4-channel operation on coin-cell battery for wireless sensor nodes.	Use Scenario: Biopotential acquisition in handheld ECG monitors with dry-electrode contact. IC Role / Device Role / Timing Role: First-stage gain and DC-blocking amplifier for electrode interface, rejecting motion artifact while preserving 0.05–150 Hz cardiac bandwidth. Use Value: 18 nV/√Hz noise floor and 1 pA input bias prevent electrode polarization drift; rail-to-rail output matches ADC input range without level-shifting.
Automotive Cabin Environment Monitoring	Low-Power Data Acquisition Modules
Use Scenario: CO₂ and humidity sensing in automotive HVAC control units using NDIR and capacitive sensors. IC Role / Device Role / Timing Role: Signal conditioner for ratiometric bridge outputs and capacitive-to-voltage conversion, operating from 5 V vehicle bus. Use Value: 0–4.5 V common-mode range accommodates sensor excitation voltages; 63–90 dB CMRR suppresses ignition noise coupled onto shared ground.	Use Scenario: Multi-channel analog input module for PLCs and edge gateways acquiring voltage, current, and thermocouple signals. IC Role / Device Role / Timing Role: Precision buffer and gain stage preceding multiplexed ADC, supporting programmable input ranges (±10 V, 0–20 mA). Use Value: Four independent amplifiers per package reduce footprint vs discrete solutions; 2.7–10 V supply range simplifies power architecture across industrial voltage standards.

Industrial Sensor Signal Conditioning

Portable Medical Instrumentation

Use Scenario: Amplifying low-level output from RTD or thermistor bridges in factory-floor temperature controllers.

IC Role / Device Role / Timing Role: Quad-channel instrumentation amplifier front-end providing gain, filtering, and rail-to-rail buffering before 12-bit SAR ADC sampling.

Use Value: 950 µV max VIO ensures ≤0.02% full-scale error; 150 µA/channel current enables 4-channel operation on coin-cell battery for wireless sensor nodes.

Use Scenario: Biopotential acquisition in handheld ECG monitors with dry-electrode contact.

IC Role / Device Role / Timing Role: First-stage gain and DC-blocking amplifier for electrode interface, rejecting motion artifact while preserving 0.05–150 Hz cardiac bandwidth.

Use Value: 18 nV/√Hz noise floor and 1 pA input bias prevent electrode polarization drift; rail-to-rail output matches ADC input range without level-shifting.

Automotive Cabin Environment Monitoring

Low-Power Data Acquisition Modules

Use Scenario: CO₂ and humidity sensing in automotive HVAC control units using NDIR and capacitive sensors.

IC Role / Device Role / Timing Role: Signal conditioner for ratiometric bridge outputs and capacitive-to-voltage conversion, operating from 5 V vehicle bus.

Use Value: 0–4.5 V common-mode range accommodates sensor excitation voltages; 63–90 dB CMRR suppresses ignition noise coupled onto shared ground.

Use Scenario: Multi-channel analog input module for PLCs and edge gateways acquiring voltage, current, and thermocouple signals.

IC Role / Device Role / Timing Role: Precision buffer and gain stage preceding multiplexed ADC, supporting programmable input ranges (±10 V, 0–20 mA).

Use Value: Four independent amplifiers per package reduce footprint vs discrete solutions; 2.7–10 V supply range simplifies power architecture across industrial voltage standards.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad rail-to-rail output op-amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV2434IDR	Same silicon, I-suffix rated for –40°C to +125°C operating range; 150 µA max IDD same, but VIO max = 1500 µV over full temp range.	Required for under-hood automotive or industrial ambient environments exceeding 85°C.	Select TLV2434IDR when extended temperature operation is mandatory; TLV2434CD is cost-optimized for commercial-grade 0–70°C systems.
MCP6004-E/SL	Microchip part with 1 µA max supply current per channel, 6 mV max VIO, and 1 MHz GBW - higher power, lower precision, faster response.	Better suited for general-purpose buffering where speed > precision, e.g., LCD bias generation or LED current control.	Choose MCP6004-E/SL only if bandwidth >0.55 MHz is required and offset voltage tolerance >6 mV is acceptable; TLV2434CD provides superior DC accuracy and noise performance.

Compared with TLV2434IDR, TLV2434CD trades extended temperature rating for tighter VIO spec and lower cost in commercial applications; versus MCP6004-E/SL, it delivers 6× lower input noise and 1/20th the input bias current at the expense of 3× lower bandwidth - making it optimal for precision, low-power, low-frequency signal chains.

Availability

TLV2434CD is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical devices, automotive cabin monitoring systems, and low-power data acquisition modules requiring stable component supply across long production lifecycles.

Supply support for TLV2434CD includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision op-amps and low-power signal chain solutions.

The TLV243x family was designed specifically for battery-powered and single-supply industrial sensing applications, emphasizing rail-to-rail output, micropower operation, and robust input stage behavior without phase inversion.

FAQ

What is the maximum operating temperature range for TLV2434CD?

The TLV2434CD is specified for operation from 0°C to +70°C ambient temperature. This C-suffix grade is intended for commercial and industrial indoor applications where ambient conditions remain within this range. Exceeding 70°C may cause parametric shift beyond datasheet limits, particularly in input offset voltage and supply current. For extended temperature use, consider TLV2434IDR (–40°C to +125°C) or TLV2434AQ (automotive Q-suffix).

Does TLV2434CD support true rail-to-rail input operation?

No, TLV2434CD features rail-to-rail *output* swing but not rail-to-rail input. Its common-mode input voltage range extends from VSS to (VDD – 1.3 V) at 5 V supply - i.e., 0 V to 3.7 V minimum - which exceeds typical CMOS op-amp limits but does not include the positive rail. For full rail-to-rail input capability, TI's TLV27x or OPA333 families are recommended alternatives.

Can TLV2434CD drive a 10 kΩ load while maintaining rail-to-rail output?

Yes, TLV2434CD maintains rail-to-rail output swing into 10 kΩ loads at room temperature. Its output stage is characterized for ±5 mA drive into 600 Ω, so 10 kΩ represents a <0.5 mA load - well within specification. Output voltage will be within 10 mV of VDD and VSS under these conditions, preserving full dynamic range for ADC interfacing.

What is the typical input bias current of TLV2434CD and why does it matter?

The typical input bias current of TLV2434CD is 1 pA at 25°C. This ultra-low value minimizes voltage error across high-impedance sensor sources (e.g., >1 MΩ pH electrodes or piezoelectric transducers), preventing significant DC offset shifts. In a 10 MΩ source impedance circuit, 1 pA generates only 10 µV error - negligible compared to its 950 µV max VIO spec.

Is TLV2434CD pin-compatible with other quad op-amps in SOIC-14 packages?

TLV2434CD follows the industry-standard quad op-amp pinout (pin 1 = A+, pin 2 = A−, pin 3 = AOUT, etc.), matching LM324, TL074, and MCP6004 pin assignments. However, electrical differences - especially supply current, input bias, and output drive - require validation in-circuit. No functional or timing compatibility is guaranteed without design review.

TLV2434CD Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: LinCMOS™

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Bulk

Product Status:: Obsolete

Amplifier Type:: CMOS

Number of Circuits:: 4

Output Type:: Rail-to-Rail

Slew Rate:: 0.25V/µs

Gain Bandwidth Product:: 550 kHz

-3db Bandwidth:: -

Current - Input Bias:: 1 pA

Voltage - Input Offset:: 300 µV

Current - Supply:: 100µA (x4 Channels)

Current - Output / Channel:: 50 mA

Voltage - Supply Span (Min):: 2.7 V

Voltage - Supply Span (Max):: 10 V

Operating Temperature:: 0°C ~ 70°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

TLV2434CD FAQ

1.How can I place an order for TLV2434CD through Aetrix?

Please submit a Request for Quotation (RFQ) for TLV2434CD on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TLV2434CD reliable?

The price and inventory of TLV2434CD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2434CD is usually 5 days.

3.What payment methods are accepted for TLV2434CD?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2434CD transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLV2434CD?

TLV2434CD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLV2434CD order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TLV2434CD?

For technical support, including TLV2434CD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2434CD requirements.

6.How does Aetrix verify that TLV2434CD is sourced from the original manufacturer or authorized distributors?

All TLV2434CD products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLV2434CD meets industry standards.

7.What is the process for return or replacement of TLV2434CD?

All TLV2434CD units undergo pre-shipment inspection (PSI). If there is an issue with TLV2434CD, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TLV2434CD part is unused and in its original packaging.

Return procedure for TLV2434CD:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…