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Texas Instruments TLV2422AID
- Part No.:
- TLV2422AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2422AID.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,380
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Product details
Overview
TLV2422AID from Texas Instruments is a dual rail-to-rail output, micropower operational amplifier optimized for low-voltage (2.7 V to 10 V) operation with 950 µV max input offset voltage at 25°C, 1 pA typical input bias current, and 50 µA per channel supply current - enabling precision signal conditioning in battery-powered sensor interfaces and portable instrumentation.
For engineers reviewing the TLV2422AID datasheet, TLV2422AID pinout, TLV2422AID application, or TLV2422AID equivalent, key selection criteria include guaranteed rail-to-rail output swing (0 V to VDD–0.25 V), extended common-mode input range (0 V to 4.5 V min at 5 V supply), no phase inversion, and Q-temp automotive qualification for industrial sensing and analog front-end designs.
Technical Context
The TLV2422AID uses Advanced LinCMOS™ process technology to achieve ultra-low input bias current (1 pA typ) and high input impedance (>10¹² Ω), making it suitable for interfacing with high-impedance sources like piezoelectric transducers and pH electrodes. Its rail-to-rail output stage delivers full dynamic range into 600-Ω loads without external level-shifting circuitry.
It operates over –40°C to +85°C with guaranteed performance at 3 V and 5 V supplies, supports single- or split-supply configurations, and avoids phase inversion when common-mode inputs reach either rail - eliminating a critical failure mode in sensor amplification and ADC driver applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 10 V - enables direct operation from single-cell Li-ion (3.0–3.7 V), two-cell alkaline (3.0 V), or regulated 5 V rails without external regulators. |
| Input Offset Voltage (max) | 950 µV at TA = 25°C - ensures ≤0.5% gain error in unity-gain buffer or 10× gain stages with <1 mV total DC error budget. |
| Supply Current per Channel | 50 µA - allows continuous operation for >1 year on a 220 mAh coin cell in always-on remote sensor nodes. |
| Rail-to-Rail Output Swing | 0 V to VDD–0.25 V (min at 5 V) - maximizes usable ADC input range and eliminates need for negative supply or level-shifting in 3.3 V/5 V systems. |
| Input Bias Current (typ) | 1 pA - preserves signal integrity from high-Z sources (e.g., >1 GΩ electrode impedances) without significant DC loading error. |
| Common-Mode Input Range | 0 V to 4.5 V (min, VDD = 5 V) - accepts signals down to ground and up to near VDD, simplifying biasing in single-supply transducer interfaces. |
| Output Drive Capability | 600-Ω load - directly drives telecom line drivers, SAR ADC reference buffers, and low-impedance filters without external gain stages. |
Pinout & Package
TLV2422AID is packaged in an 8-pin SOIC (D package), surface-mount, industry-standard outline with 1.27 mm pitch. The device features dual independent op-amps in a compact 4.9 mm × 3.9 mm footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail capable, drives 600-Ω loads, connects directly to ADC input or filter network. |
| 2 | IN– A | Inverting input of Amplifier A - high-impedance node (10¹² Ω), sensitive to PCB leakage; requires guard ring in high-Z applications. |
| 3 | IN+ A | Non-inverting input of Amplifier A - same high-impedance characteristics as IN–; used for sensor voltage buffering or reference scaling. |
| 4 | VDD– / GND | Ground reference for single-supply operation or negative rail in split-supply configuration - must be low-impedance, star-connected to minimize noise coupling. |
| 5 | VDD+ | Positive supply rail - accepts 2.7 V to 10 V; decoupling capacitor (0.1 µF ceramic) required within 5 mm of this pin. |
| 6 | OUT B | Amplifier B output - fully independent of OUT A; enables dual-channel signal conditioning (e.g., differential pair or gain + filter). |
| 7 | IN– B | Inverting input of Amplifier B - electrically identical to IN– A; supports matched dual feedback networks for precision instrumentation. |
| 8 | IN+ B | Non-inverting input of Amplifier B - enables simultaneous processing of two sensor channels or complementary signal paths. |
Key Features
| Feature | Design Value |
|---|---|
| No phase inversion | Eliminates output latch-up or unpredictable clipping when common-mode input reaches supply rails - critical for overvoltage-tolerant sensor front-ends. |
| Rail-to-rail output | Delivers full 0 V to VDD–0.25 V swing at 5 V supply, maximizing SNR and dynamic range when driving 12-bit+ SAR ADCs. |
| Micropower operation | 50 µA per channel enables multi-year battery life in wireless sensor nodes and portable medical monitors without duty cycling. |
| Extended common-mode range | 0 V to 4.5 V (min) at 5 V supply allows direct connection to ground-referenced sensors (e.g., thermistors, RTDs) without level-shifting resistors. |
| Low input noise | 18 nV/√Hz at 1 kHz - preserves signal fidelity in low-level transducer amplification (e.g., microphone preamps, strain gauge bridges). |
Applications
| Portable Gas Sensor Interface | Industrial 4–20 mA Loop Receiver |
|---|---|
|
Use Scenario: Amplifying low-level mV outputs from electrochemical gas sensors powered by coin-cell batteries in handheld air quality meters. IC Role / Device Role: Dual-channel precision buffer and level-shifter - first amplifier conditions sensor output; second provides reference voltage or drives ADC. Use Value: 1 pA input bias prevents sensor polarization error; 50 µA/channel current extends battery life beyond 2 years at 1 Hz sampling. |
Use Scenario: Converting 4–20 mA loop current to ground-referenced voltage in programmable logic controller (PLC) analog input modules. IC Role / Device Role: Precision I-to-V converter with rail-to-rail output - drives ADC input while maintaining accuracy across full temperature range (–40°C to +85°C). Use Value: 950 µV max VIO ensures <0.05% FSR error at 25°C; extended common-mode range accepts 0 V to 4.5 V input without external biasing. |
| Medical ECG Front-End | Automotive Cabin Temperature Monitor |
|
Use Scenario: Buffering high-impedance biopotential signals from dry electrodes in wearable ECG patches. IC Role / Device Role: First-stage non-inverting amplifier with ultra-high input impedance and low noise - preserves signal integrity before filtering and digitization. Use Value: 10¹² Ω input resistance minimizes electrode-skin interface loading; 18 nV/√Hz noise maintains diagnostic SNR for R-wave detection. |
Use Scenario: Conditioning output from NTC thermistors in HVAC control units exposed to under-hood temperature extremes. IC Role / Device Role: Precision voltage follower and reference buffer - provides stable excitation and linearized output for microcontroller ADC. Use Value: Q-temp qualification (–40°C to +125°C) and guaranteed 950 µV VIO over full range ensure ±0.5°C accuracy in cabin climate control feedback loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture, 0.1 µV/°C offset drift, 17 µA/ch supply current - lower drift but higher quiescent current than TLV2422AID. | Better for DC-critical applications (e.g., precision weight scales); less suitable for ultra-low-power battery lifetime targets. | Select OPA2333AIDR when long-term offset stability dominates over battery life; TLV2422AID remains optimal for >1-year coin-cell operation. |
| MCP6022-I/SN | Higher supply current (100 µA/ch), wider GBW (1 MHz), but only 2 mV max VIO at 25°C - lacks guaranteed 950 µV spec and automotive temp range. | Suitable for higher-speed signal chains (e.g., active filters), but insufficient for precision sensor buffering requiring sub-mV offset. | Choose MCP6022-I/SN for cost-sensitive industrial controls where 2 mV offset is acceptable; TLV2422AID preferred for medical-grade sensor accuracy. |
Compared with OPA2333AIDR and MCP6022-I/SN, TLV2422AID uniquely balances ultra-low power (50 µA/ch), guaranteed low offset (950 µV max), rail-to-rail output, and automotive-grade temperature support - making it the most suitable choice for battery-powered, precision analog front-ends demanding longevity and accuracy.
Availability
TLV2422AID is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor transmitters, and automotive cabin monitoring systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2422AID 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 TLV2422AID belongs to TI's Advanced LinCMOS™ micropower op-amp family, designed specifically for high-impedance sensor interfaces, battery-operated instrumentation, and automotive-grade analog signal conditioning where rail-to-rail output and ultra-low bias current are essential.
FAQ
What is the maximum operating temperature range for TLV2422AID?
The TLV2422AID is rated for operation from –40°C to +85°C, meeting industrial temperature requirements. This specification is explicitly confirmed in the "AVAILABLE OPTIONS" table of the datasheet, where the "I" suffix denotes the –40°C to +85°C grade, and the "D" package is listed for TLV2422AID under that temperature range.
Does TLV2422AID support true rail-to-rail input?
No, TLV2422AID does not support rail-to-rail input. It features rail-to-rail *output* swing and an extended common-mode input voltage range (0 V to 4.5 V min at 5 V supply), but its inputs do not operate down to VDD– or up to VDD+. The datasheet explicitly states "RAIL-TO-RAIL OUTPUT" in the title and confirms input range limits in the "recommended operating conditions" table.
Can TLV2422AID drive a 10 kΩ load with rail-to-rail output?
Yes, TLV2422AID can drive a 10 kΩ load with rail-to-rail output. The datasheet specifies VOH ≥ 4.75 V and VOL ≤ 0.15 V at VDD = 5 V with 500 µA load current - well within 10 kΩ capability (500 µA at 5 V = 10 kΩ). Its 600-Ω drive rating indicates robustness, not limitation; lighter loads preserve full swing and linearity.
Is TLV2422AID qualified for automotive applications?
TLV2422AID itself is not AEC-Q100 qualified, but the TLV2422AQD and TLV2422AID variants share the same core die. The datasheet states "Available in Q-Temp Automotive HighRel Automotive Applications" and lists TLV2422AID in the "I" (industrial) grade row - meaning it is manufactured on the same Q-Temp-qualified process and supports automotive *design-in*, though formal AEC-Q100 certification applies to the "Q" suffix parts.
What is the typical input noise voltage of TLV2422AID at 1 kHz?
The typical input noise voltage of TLV2422AID at 1 kHz is 18 nV/√Hz, as specified in the "electrical characteristics at specified free-air temperature, VDD = 5 V" table on page 12 of the datasheet. This value is consistent across TLV2422AI and TLV2422AQ variants and applies directly to TLV2422AID under standard operating conditions.
TLV2422AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.02V/µs
- Gain Bandwidth Product:
- 5.3 MHz
- -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
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2422AID FAQ
1.How can I place an order for TLV2422AID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2422AID 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 TLV2422AID reliable?
The price and inventory of TLV2422AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2422AID is usually 5 days.
3.What payment methods are accepted for TLV2422AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2422AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2422AID?
TLV2422AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2422AID 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 TLV2422AID?
For technical support, including TLV2422AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2422AID requirements.
6.How does Aetrix verify that TLV2422AID is sourced from the original manufacturer or authorized distributors?
All TLV2422AID 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 TLV2422AID meets industry standards.
7.What is the process for return or replacement of TLV2422AID?
All TLV2422AID units undergo pre-shipment inspection (PSI). If there is an issue with TLV2422AID, 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 TLV2422AID part is unused and in its original packaging.
Return procedure for TLV2422AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV2422AID Tags
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LM358DR
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