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Texas Instruments TLV2341IPWR
- Part No.:
- TLV2341IPWR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLV2341IPWR.pdf
- Description:
- IC CMOS 1 CIRCUIT 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
TLV2341IPWR from Texas Instruments is a programmable low-voltage LinCMOS™ operational amplifier designed for single-supply operation across 2 V to 8 V, featuring bias-select capability (17 µA / 250 µA / 1.5 mA), rail-to-rail output swing down to GND, and common-mode input range extending below the negative rail - ideal for battery-powered sensor front-ends and portable instrumentation.
For engineers reviewing the TLV2341IPWR datasheet, TLV2341IPWR pinout, TLV2341IPWR application, or TLV2341IPWR equivalent, this page delivers verified specifications, TSSOP-8 package layout, bias-mode tradeoff guidance, real-world use cases in low-power analog signal conditioning, and two validated alternative op-amps with documented functional alignment and key parameter differences.
Technical Context
The TLV2341IPWR implements a silicon-gate LinCMOS™ process enabling ultra-high input impedance (10¹² Ω typ), sub-picoampere input bias current (0.6 pA typ at 25°C), and ESD protection rated to 2000 V (MIL-STD-883C). Its bias-select architecture allows dynamic configuration of ac performance versus power via a single external voltage on the BIAS SELECT pin.
Three distinct operating modes are defined: high-bias (2.1 V/µs slew rate, 790 kHz unity-gain bandwidth at 3 V), medium-bias (0.38 V/µs, 300 kHz), and low-bias (0.02 V/µs, 27 kHz), each with corresponding noise (25–68 nV/√Hz), gain (11–400 V/mV), and phase margin (46°–34°) profiles fully characterized over –40°C to 85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 8 V - supports direct connection to single-cell Li-ion (3.0–3.7 V), 2xAA (2.4–3.2 V), or 5-V logic rails without regulation. |
| Input Offset Voltage (max) | 8 mV at 25°C - enables precision dc-coupled amplification in sensor interfaces where offset-induced error must stay <0.8% of full-scale at 1-V output. |
| Input Bias Current (typ) | 0.6 pA at 25°C - permits use with high-impedance sources (e.g., pH electrodes, piezoelectric sensors) without significant loading error. |
| Slew Rate (high-bias mode) | 2.1 V/µs at 3 V - sufficient for 10-kHz full-scale sine wave output at 1-Vpp without distortion in active filters or buffer stages. |
| Common-Mode Input Range | Extends to GND and up to VDD –1 V at 25°C - allows direct sensing of signals referenced to ground in single-supply systems. |
| Output Voltage Swing | Includes negative rail (GND) - ensures true zero-volt output capability for driving ADC reference inputs or comparator thresholds. |
| ESD Rating | 2000 V HBM (MIL-STD-883C Method 3015.2) - meets industrial handling requirements without requiring additional external protection circuitry. |
Pinout & Package
TSSOP-8 (PW) package: 4.4 mm × 3.0 mm × 1.2 mm body, 0.65 mm pitch, exposed pad not present, RoHS-compliant, tape-and-reel delivery (left-end only, part suffix "LE").
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OFFSET N1) | Offset null input | Connects to internal offset trimming network; unused in standard configurations but enables fine calibration when paired with external potentiometer. |
| 2 (IN–) | Inverting input | Differential input node with 10¹² Ω impedance; accepts signals within –0.2 V to VDD–0.3 V at 3 V supply. |
| 3 (IN+) | Non-inverting input | Differential input node matched to IN–; common-mode range includes GND, enabling true single-supply sensor interfacing. |
| 4 (GND) | Ground reference | Primary return path for input bias currents and output load; must be low-impedance to maintain PSRR >70 dB. |
| 5 (BIAS SELECT) | Bias mode control | Voltage-controlled input selecting 17 µA (GND), 250 µA (mid-rail), or 1.5 mA (VDD); determines slew rate, bandwidth, and noise floor. |
| 6 (VDD) | Positive supply | Accepts 2–8 V; internal regulation not required; decoupling capacitor (0.1 µF) recommended within 5 mm of pin. |
| 7 (OUT) | Amplifier output | Capable of sourcing/sinking ±30 mA; drives 10-kΩ loads to within 120 mV of GND and 190 mV of VDD at 3 V. |
| 8 (OFFSET N2) | Offset null output | Second terminal of internal offset adjustment network; used with OFFSET N1 for manual nulling in precision applications. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable bias current | Three discrete settings (17 µA / 250 µA / 1.5 mA) enable runtime optimization of power vs. speed without hardware change. |
| Rail-to-rail output | Swings to GND and within 190 mV of VDD at 3 V - eliminates need for negative supply in level-shifting or ADC driver stages. |
| Extended common-mode range | Inputs operate from GND to VDD–1 V - supports direct interface to grounded sensors (e.g., thermistors, strain gauges) in single-supply designs. |
| Ultra-low input bias current | 0.6 pA typical at 25°C - preserves signal integrity in high-Z transducer circuits where leakage would otherwise dominate error budget. |
| Integrated ESD protection | 2000 V HBM rating per MIL-STD-883C - reduces system-level ESD design overhead and improves field reliability in handheld devices. |
Applications
| Portable Gas Sensor Interface | Low-Power Data Acquisition Front-End |
|---|---|
|
Use Scenario: Amplifying microamp-level current from electrochemical gas sensors powered by coin-cell batteries (3 V). IC Role / Device Role / Timing Role: Transimpedance amplifier with programmable gain and bias-select set to 250 µA for optimal SNR/power balance. Use Value: Enables 12-bit effective resolution at <250 µA total system quiescent current while maintaining 100-Hz signal bandwidth. |
Use Scenario: Conditioning thermistor and RTD signals in battery-operated environmental monitors. IC Role / Device Role / Timing Role: Precision non-inverting amplifier with offset-null capability and rail-to-rail output driving SAR ADC reference. Use Value: Delivers 0.1°C temperature accuracy over –20°C to 60°C using only 17 µA bias current in low-power sleep mode. |
| Wearable Biopotential Signal Chain | Industrial Remote Sensor Node |
|
Use Scenario: First-stage amplification of ECG/EMG signals in ultra-thin wearable patches. IC Role / Device Role / Timing Role: High-input-impedance buffer (10¹² Ω) with common-mode input extending to GND for dry-electrode coupling. Use Value: Eliminates need for AC-coupling capacitors and negative supply, reducing PCB area by 35% and component count by 4. |
Use Scenario: Signal conditioning for 4–20 mA loop-powered pressure transmitters in hazardous locations. IC Role / Device Role / Timing Role: Low-drift instrumentation amplifier front-end with 8 mV max VIO and 2.7 µV/°C tempco. Use Value: Maintains 0.25% FS accuracy over –40°C to 85°C ambient without active temperature compensation circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-voltage, programmable operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2461IPWR | Fixed 250 µA supply current; no bias-select pin; higher 6.5-V/µs slew rate; 1.2-mV max VIO. | Best for fixed-performance, higher-speed designs where programmability is unnecessary and tighter offset is critical. | Select TLV2461IPWR when consistent 250 µA operation suffices and 1.2-mV VIO improves system accuracy more than bias flexibility. |
| LPV821IDBVR | Fixed 320 nA supply current; rail-to-rail I/O; 170-µV max VIO; no bias-select; optimized for nano-power. | Suited for multi-year battery life in IoT endpoints where speed <10 kHz and ultra-low IQ dominate requirements. | Choose LPV821IDBVR when continuous operation on CR2032 for ≥5 years is mandatory and 0.38 V/µs slew rate is adequate. |
Compared with TLV2341IPWR, TLV2461IPWR offers superior speed and offset but forfeits bias-programmability, while LPV821IDBVR achieves 200× lower quiescent current at the cost of bandwidth and configurability - making TLV2341IPWR the sole choice when adaptive power/performance scaling is required.
Availability
TLV2341IPWR is available at Aetrix Electronics and suitable for portable medical devices, battery-powered environmental sensors, wearable biometric monitors, and industrial remote sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for TLV2341IPWR 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, low-power design, and industrial-grade reliability.
The TLV2341IPWR belongs to TI's LinCMOS™ low-voltage op-amp family, engineered specifically for single-supply, battery-constrained applications demanding programmable performance, rail-to-rail operation, and robustness in harsh environments.
FAQ
What is the correct voltage range for the BIAS SELECT pin on TLV2341IPWR?
The BIAS SELECT pin on TLV2341IPWR accepts three voltage levels to select operating mode: GND for low-bias (17 µA), mid-rail (VDD/2) for medium-bias (250 µA), and VDD for high-bias (1.5 mA). For single-supply use, a resistor divider generating VDD/2 is recommended; voltages between 1 V and VDD–1 V are acceptable per datasheet Figure 1. The pin draws only –1.2 µA at 25°C, minimizing divider current burden. TLV2341IPWR functionality remains stable across this full range.
Can TLV2341IPWR operate from a 2.4-V supply in high-bias mode?
Yes, TLV2341IPWR is fully specified for 2 V to 8 V operation across –40°C to 85°C, including high-bias mode. At 2.4 V, it delivers 1.7 V/µs slew rate (vs. 2.1 V/µs at 3 V), 690 kHz unity-gain bandwidth, and maintains rail-to-rail output swing to GND and within 200 mV of VDD. Input common-mode range extends to –0.2 V, supporting true ground-referenced sensing. TLV2341IPWR retains all key specs down to 2 V per SLOS110A Section 6.
Does TLV2341IPWR require external offset nulling components?
TLV2341IPWR includes dedicated OFFSET N1 and OFFSET N2 pins for optional external nulling via a 10-kΩ potentiometer, but it is not required for most applications. The device has a maximum input offset voltage of 8 mV at 25°C and 10 mV over full temperature range - sufficient for many sensor interfaces. Nulling is only needed when sub-millivolt dc accuracy is mandatory, such as in precision weigh scales or calibrated measurement equipment. TLV2341IPWR operates fully functional without any external nulling circuitry.
How does the common-mode input range of TLV2341IPWR compare to standard CMOS op-amps?
TLV2341IPWR's common-mode input range extends to the negative rail (GND) and up to VDD–1 V at 25°C - significantly wider than standard CMOS op-amps, which typically exclude the negative rail. This allows direct dc-coupled connection to grounded sensors (e.g., thermistors, bridge outputs) without level-shifting circuitry. At 3 V supply, the usable range is –0.2 V to 2.3 V; at 5 V, it is –0.2 V to 4.2 V. TLV2341IPWR maintains this rail-to-rail input capability across all three bias modes.
Is TLV2341IPWR pin-compatible with other TSSOP-8 op-amps like TLV27x series?
No, TLV2341IPWR is not pin-compatible with TLV27x-series op-amps (e.g., TLV272IPWR). While both use TSSOP-8 packages, TLV2341IPWR allocates Pins 1 and 8 to offset nulling and Pin 5 to BIAS SELECT - functions absent in TLV27x devices, which use those pins for shutdown or NC. Direct replacement would require PCB redesign. TLV2341IPWR's unique pinout supports its programmable bias architecture and cannot be substituted without layout modification.
TLV2341IPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 3.6V/µs
- Gain Bandwidth Product:
- 1.7 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.6 pA
- Voltage - Input Offset:
- 1.1 mV
- Current - Supply:
- 675µA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2 V
- Voltage - Supply Span (Max):
- 8 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
TLV2341IPWR FAQ
1.How can I place an order for TLV2341IPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2341IPWR 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 TLV2341IPWR reliable?
The price and inventory of TLV2341IPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2341IPWR is usually 5 days.
3.What payment methods are accepted for TLV2341IPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2341IPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2341IPWR?
TLV2341IPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2341IPWR 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 TLV2341IPWR?
For technical support, including TLV2341IPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2341IPWR requirements.
6.How does Aetrix verify that TLV2341IPWR is sourced from the original manufacturer or authorized distributors?
All TLV2341IPWR 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 TLV2341IPWR meets industry standards.
7.What is the process for return or replacement of TLV2341IPWR?
All TLV2341IPWR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2341IPWR, 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 TLV2341IPWR part is unused and in its original packaging.
Return procedure for TLV2341IPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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