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Texas Instruments TLV2432IDR
- Part No.:
- TLV2432IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2432IDR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,294
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Product details
Overview
TLV2432IDR from Texas Instruments is a dual, rail-to-rail output operational amplifier optimized for low-voltage (2.7 V to 10 V), low-power operation. It delivers 115–150 µA per channel supply current, 0.25 V/µs slew rate at 5 V, 950 µV max input offset voltage (A-grade), and rail-to-rail output swing - enabling full dynamic range interfacing with 3-V and 5-V ADCs in portable sensor signal conditioning.
For engineers reviewing the TLV2432IDR datasheet, TLV2432IDR pinout, TLV2432IDR application, or TLV2432IDR equivalent, key selection criteria include guaranteed rail-to-rail output drive into 600 Ω loads, extended common-mode input range (0 V to 4.5 V @ 5 V supply), ultra-low input bias current (1 pA typ), and automotive-qualified variants (TLV2432-Q1) for harsh-environment designs.
Technical Context
The TLV2432IDR uses CMOS input stage architecture with Class AB output stage, supporting true rail-to-rail output swing without phase inversion when inputs approach supply rails. Its high-impedance differential input (1000 GΩ) and low noise (18 nV/√Hz @ 1 kHz) make it suitable for amplifying weak signals from high-Z sources like piezoelectric transducers or pH electrodes.
It operates across –40°C to +85°C (I-suffix), is fully characterized at 3 V and 5 V supplies, and features 63–90 dB CMRR and 80–95 dB PSRR - ensuring stable performance in noisy industrial or battery-powered systems where supply regulation is limited.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 10 V - supports single-supply operation from Li-ion (3.3 V), USB (5 V), or dual-cell alkaline (3 V) without level-shifting. |
| Input Offset Voltage (max) | 950 µV @ 25°C (TLV2432A variant) - enables precision DC-coupled gain stages with ≤0.02% error in 1 V full-scale systems. |
| Supply Current / Channel | 150 µA max @ 25°C - allows >1-year battery life in always-on sensor nodes powered by CR2032 cells. |
| Slew Rate | 0.25 V/µs @ 5 V - sufficient for <100 kHz small-signal amplification (e.g., ECG, temperature, pressure sensing). |
| Common-Mode Input Range | 0 V to 4.5 V @ 5 V supply - accepts inputs down to ground, eliminating need for biasing resistors in single-supply configurations. |
| Output Drive Capability | ±3 mA into 600 Ω load - directly drives telecom line interfaces or ADC reference buffers without external boost stages. |
| Input Bias Current | 1 pA typical - preserves signal integrity in high-impedance sensor front-ends (e.g., photodiode, ion-selective electrode). |
Pinout & Package
TLV2432IDR is housed in an 8-pin SOIC (D package), 3.9 mm × 4.9 mm body, 1.75 mm height, with standard JEDEC MS-012AC footprint and Pb-free matte tin lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Rail-to-rail capable output driving up to ±3 mA; connects directly to ADC input or filter network. |
| 2 (IN– A) | Inverting input A | High-impedance CMOS node (1000 GΩ); requires guarding in PCB layout for low-noise applications. |
| 3 (IN+ A) | Non-inverting input A | Accepts common-mode voltages from 0 V to VDD–1.3 V; compatible with ground-referenced sensors. |
| 4 (V–) | Negative supply / Ground | Reference for both amplifiers; must be low-impedance return path to minimize PSRR degradation. |
| 5 (IN+ B) | Non-inverting input B | Independent of Channel A; enables dual-channel signal conditioning (e.g., differential pair, active filter stages). |
| 6 (IN– B) | Inverting input B | Matched to Channel A specs; supports identical configuration (e.g., unity-gain buffer, transimpedance amp). |
| 7 (OUT B) | Amplifier B output | Functionally identical to Pin 1; allows independent output routing without crosstalk. |
| 8 (V+) | Positive supply | Accepts 2.7–10 V; decoupling capacitor (0.1 µF ceramic) required within 5 mm for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Drives within 20 mV of V+ and V– at light loads - maximizes usable ADC input range in 3.3 V systems. |
| No phase inversion | Stable operation even when inputs exceed supply rails - eliminates latch-up risk in overvoltage transient conditions. |
| Low input bias current (1 pA) | Minimizes voltage error across high-value feedback networks (>10 MΩ), critical for precision integrators. |
| Low noise (18 nV/√Hz) | Enables ≥70 dB SNR in 1 kHz bandwidth sensor amplifiers without requiring external filtering. |
| Extended common-mode range (0 V to 4.5 V @ 5 V) | Supports direct connection of ground-referenced transducers without input biasing or level-shifting circuitry. |
Applications
| Portable Medical Sensors | Industrial Process Monitoring |
|---|---|
|
Use Scenario: Amplifying microvolt-level ECG or EMG signals from dry electrodes in wearable patches. IC Role / Device Role / Timing Role: Dual-channel instrumentation front-end: Channel A as differential amplifier, Channel B as right-leg drive buffer. Use Value: Rail-to-rail output ensures full utilization of 12-bit ADC's 0–3.3 V input range; 1 pA bias current prevents electrode polarization drift. |
Use Scenario: Conditioning 4–20 mA loop transmitter outputs in PLC analog input modules. IC Role / Device Role / Timing Role: Precision I/V converter and output buffer driving ADC reference input. Use Value: 950 µV max VIO contributes <0.03% FSR error; 600 Ω drive capability sustains signal integrity into long PCB traces. |
| Battery-Powered Environmental Sensors | Automotive Cabin Air Quality Modules |
|
Use Scenario: Signal conditioning for CO₂ NDIR sensors with thermopile detectors operating on coin-cell power. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier followed by rail-to-rail output buffer. Use Value: 18 nV/√Hz input noise preserves SNR in 0.1–10 Hz detection band; 150 µA/channel IDD extends 10-year battery life. |
Use Scenario: Amplifying humidity and VOC sensor outputs in automotive HVAC control units. IC Role / Device Role / Timing Role: Dual-channel signal conditioner for multi-sensor fusion (temperature + gas concentration). Use Value: Qualified to AEC-Q100 Grade 2 (–40°C to +105°C); rail-to-rail output maintains accuracy across cold crank (6.5 V) and hot idle (14.5 V) battery profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2314AIDR | Lower VIO (125 µV max), higher GBW (3 MHz), but 230 µA/channel IDD - 53% higher quiescent current. | Better for precision DC-coupled systems needing <0.005% gain error; less suitable for ultra-low-power battery designs. | Select OPA2314AIDR only if VIO budget is <200 µV and supply current >150 µA is acceptable. |
| MCP6022-I/SN | Higher supply current (1 mA/channel), wider VDD range (2.7–6 V), but no guaranteed rail-to-rail output below 100 mV of rails. | Acceptable for non-critical 5 V systems where output headroom >100 mV is tolerable; not recommended for 3.3 V ADC interfacing. | Choose MCP6022-I/SN only when legacy design reuse or pin compatibility with older Microchip platforms is required. |
Compared with OPA2314AIDR and MCP6022-I/SN, TLV2432IDR uniquely balances sub-150 µA power, guaranteed rail-to-rail output, and 950 µV VIO - making it optimal for cost-sensitive, battery-constrained industrial and medical sensors where moderate DC precision suffices.
Availability
TLV2432IDR is available at Aetrix Electronics and suitable for portable medical devices, industrial process transmitters, and battery-powered environmental monitors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2432IDR 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 delivering analog and embedded processing solutions, with over 50 years of innovation in precision amplifiers and low-power signal chain components.
The TLV243x family was designed specifically for micropower, rail-to-rail output applications in portable and remote-sensing systems - emphasizing low supply current, wide input voltage range, and robust operation without phase inversion.
FAQ
What is the maximum operating temperature range for TLV2432IDR?
The TLV2432IDR is rated for operation from –40°C to +85°C (I-suffix grade). This range is validated per TI's characterization data across all electrical parameters including input offset voltage, CMRR, and supply current - ensuring reliable performance in industrial control cabinets and outdoor sensor enclosures without derating.
Does TLV2432IDR support true rail-to-rail input?
No, TLV2432IDR does not feature rail-to-rail input. Its common-mode input voltage range extends from V– to (V+ – 1.3 V) - e.g., 0 V to 3.7 V at 5 V supply. However, it guarantees rail-to-rail output swing and no phase inversion when inputs approach the rails, distinguishing it from standard CMOS op-amps.
Can TLV2432IDR drive a 10 kΩ load while maintaining rail-to-rail output?
Yes. TLV2432IDR maintains rail-to-rail output swing into loads ≥10 kΩ at room temperature. Its output stage is specified for ±3 mA into 600 Ω, so with 10 kΩ, output swing remains within 10 mV of both rails - verified in TI's Electrical Characteristics tables under VOL/VOH test conditions.
Is TLV2432IDR pin-compatible with other dual op-amps in SOIC-8?
TLV2432IDR follows standard SOIC-8 pinout (pin 1 = OUT A, pin 2 = IN– A, etc.) and is functionally pin-compatible with TLV2432AIDR and TLV2432CDR. However, it is not pin-compatible with unrelated families (e.g., LM358, MCP6022) due to differing internal architecture and biasing requirements.
What is the typical input noise voltage of TLV2432IDR at 1 kHz?
The typical input noise voltage of TLV2432IDR is 18 nV/√Hz at 1 kHz and 5 V supply, as specified in Section 4.9 of the datasheet. This value is measured under standard conditions (RL = 2 kΩ, CL = 100 pF) and remains stable across the full operating temperature range.
TLV2432IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- 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 (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 10 V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2432IDR FAQ
1.How can I place an order for TLV2432IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2432IDR 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 TLV2432IDR reliable?
The price and inventory of TLV2432IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2432IDR is usually 5 days.
3.What payment methods are accepted for TLV2432IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2432IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2432IDR?
TLV2432IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2432IDR 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 TLV2432IDR?
For technical support, including TLV2432IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2432IDR requirements.
6.How does Aetrix verify that TLV2432IDR is sourced from the original manufacturer or authorized distributors?
All TLV2432IDR 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 TLV2432IDR meets industry standards.
7.What is the process for return or replacement of TLV2432IDR?
All TLV2432IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2432IDR, 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 TLV2432IDR part is unused and in its original packaging.
Return procedure for TLV2432IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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