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Texas Instruments TLV342IDR
- Part No.:
- TLV342IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV342IDR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:5,522
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Product details
Overview
TLV342IDR from Texas Instruments is a dual, low-voltage, rail-to-rail output CMOS operational amplifier with shutdown control, designed for precision analog signal conditioning in space-constrained, battery-powered systems. It delivers 2.3MHz gain bandwidth, 0.9V/μs slew rate, 70μA/channel supply current, and 1.25mV max input offset voltage (A grade, 25°C), operating from 1.5V to 5.5V single supply - ideal for portable audio preamplifiers and battery monitoring circuits.
For engineers reviewing the TLV342IDR datasheet, TLV342IDR pinout, TLV342IDR application, or TLV342IDR equivalent, key selection considerations include its dual-channel architecture with independent shutdown capability, ultra-low 1pA typical input bias current, rail-to-rail output swing within 25mV of rails (at 10kΩ load), extended –40°C to 125°C industrial temperature range, and SOIC-8 package compatibility with legacy layouts.
Technical Context
The TLV342IDR integrates two independent CMOS op-amp channels sharing a common V+ and GND, each featuring PMOS input stage enabling rail-to-rail common-mode input range (–0.2V to V+ – 0.5V) and CMOS output stage delivering rail-to-rail output swing. Its shutdown pin (active-low) disables both amplifiers simultaneously, reducing total supply current to ≤1μA while placing outputs in high-impedance state.
Designed for ultra-low-voltage operation down to 1.5V, the device maintains stable performance across 1.5V–5.5V supply range, with input offset voltage drift of 1.9μV/°C and ESD robustness exceeding 2000V HBM. The SOIC-8 package supports standard reflow profiles and thermal dissipation up to 123.6°C/W junction-to-ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.5V to 5.5V single supply - enables direct integration into Li-ion, coin-cell, and 3.3V/5V systems without level-shifting. |
| Gain Bandwidth Product | 2.3MHz typical - supports stable closed-loop gain ≥10 at audio frequencies (≤20kHz) with adequate phase margin. |
| Slew Rate | 0.9V/μs typical - sufficient for 10kHz full-scale sine wave output at 1.8V supply without distortion. |
| Input Offset Voltage | 1.25mV maximum (A grade, 25°C) - ensures ≤0.1% error in 12-bit ADC front-end applications at unity gain. |
| Supply Current per Channel | 70μA typical - allows dual-channel operation on <150μA total, critical for multi-day battery life in wearables. |
| Shutdown Current | ≤1μA typical - reduces system standby power by >99.9% versus active mode, enabling aggressive duty-cycling. |
| Input Bias Current | 1pA typical - minimizes voltage error across high-impedance sensor sources (e.g., pH electrodes, photodiodes). |
| Common-Mode Input Range | –0.2V to (V+ – 0.5V) - supports ground-referenced inputs and single-supply signal acquisition without level shifters. |
Pinout & Package
The TLV342IDR is housed in an 8-pin SOIC (D) package measuring 4.90mm × 3.91mm, with standard 1.27mm pitch and exposed pad not present. Thermal resistance is 123.6°C/W (junction-to-ambient), suitable for moderate-power analog sections without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Output, Channel 1 | CMOS rail-to-rail output capable of sourcing/sinking ≥6mA; high-impedance during shutdown. |
| 1IN− | Inverting Input, Channel 1 | Differential input node with 1pA bias current; accepts signals from –0.2V to V+ – 0.5V. |
| 1IN+ | Noninverting Input, Channel 1 | Differential input node with identical bias and common-mode range as 1IN−. |
| GND | Analog Ground Reference | Return path for both channels; must be low-impedance and separated from digital ground. |
| V+ | Positive Supply Rail | Single 1.5V–5.5V supply input; requires 0.1μF ceramic bypass capacitor placed adjacent to pin. |
| 2IN+ | Noninverting Input, Channel 2 | Independent input for second amplifier; shares same electrical characteristics as 1IN+. |
| 2IN− | Inverting Input, Channel 2 | Independent input for second amplifier; shares same electrical characteristics as 1IN−. |
| 2OUT | Output, Channel 2 | Functionally identical to 1OUT; independently controllable via shared SHDN pin. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Swings within 25mV of V+ and GND at 10kΩ load - eliminates need for dual supplies in sensor buffering and DAC output stages. |
| Ultra-low input bias current | 1pA typical - preserves signal integrity when interfacing with megaohm-range sources like piezoelectric sensors or high-R feedback networks. |
| Active-low shutdown control | Reduces total ICC to ≤1μA and places both outputs in high-Z - enables dynamic power gating in firmware-controlled analog subsystems. |
| Extended temperature range | –40°C to +125°C operation - qualified for under-hood automotive modules, industrial PLC I/O, and outdoor IoT edge nodes. |
| Low-voltage operation | Functional at 1.5V supply - supports direct connection to single alkaline or NiMH cells without regulators. |
| ESD robustness | 2000V HBM - withstands handling and board-level ESD events without protection diodes or external clamping. |
Applications
| Audio Preamp for Voice Capture | Battery Voltage Monitoring |
|---|---|
Use Scenario: Amplifying weak microphone signals (e.g., electret condenser) in smartphones or voice assistants before ADC sampling. IC Role / Device Role / Timing Role: Dual-channel TLV342IDR configures one op-amp as low-noise preamp (20nV/√Hz at 10kHz) and the other as active filter or level shifter. Use Value: 1.25mV max offset ensures DC-coupled mic biasing without audible pop; rail-to-rail output drives 1.8V ADC reference directly. | Use Scenario: Measuring lithium-ion cell voltage (2.5V–4.2V) with 12-bit precision in portable medical devices or power tools. IC Role / Device Role / Timing Role: Configured as unity-gain buffer to isolate high-impedance voltage divider from ADC input, minimizing loading error. Use Value: 1pA input bias current prevents >0.1% measurement error across 1MΩ divider; shutdown mode cuts quiescent current during sleep cycles. |
| Portable Equipment Supply Current Sensing | Low-Power Sensor Signal Conditioning |
Use Scenario: Detecting abnormal current draw in handheld test equipment or IoT gateways using shunt resistor sensing. IC Role / Device Role / Timing Role: One channel amplifies mV-level shunt voltage; second channel provides adjustable gain or comparator hysteresis. Use Value: 70μA/channel supply current ensures monitoring circuit consumes <0.2% of system budget; 2.3MHz GBW supports fast transient detection. | Use Scenario: Conditioning output from MEMS accelerometers or temperature sensors in asset trackers with multi-year battery life. IC Role / Device Role / Timing Role: Dual op-amps implement programmable gain stage and anti-aliasing filter before SAR ADC. Use Value: Rail-to-rail I/O enables full utilization of 1.8V ADC range; shutdown mode reduces average current to sub-μA levels during sensor idle periods. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-voltage rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV342IDRG4 | Same silicon, green (RoHS-compliant) packaging variant; identical electrical specs and pinout. | No functional difference; used where lead-free compliance is mandatory for final assembly. | Select TLV342IDRG4 when RoHS/REACH documentation and Pb-free finish are contractually required. |
| MCP6022-E/SN | Higher 10μA supply current per channel; 10MHz GBW; no shutdown pin; 2.7V–5.5V min supply. | Not suitable for sub-2V operation or ultra-low-power shutdown modes; better for higher-speed filtering. | Choose MCP6022-E/SN only if design requires >5MHz bandwidth and can tolerate 15× higher active current. |
Compared with TLV342IDR, TLV342IDRG4 offers identical performance with environmental compliance, while MCP6022-E/SN trades ultra-low power and sub-2V operation for higher speed and no power-gating capability - making TLV342IDR uniquely suited for energy-constrained, wide-supply-range applications.
Availability
TLV342IDR is available at Aetrix Electronics and suitable for portable medical monitors, battery management systems, and voice-enabled consumer electronics requiring stable component supply across long production lifecycles.
Supply support for TLV342IDR 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 innovation in precision op-amps and low-power signal chains.
The TLV34xx product line was engineered specifically for ultra-low-voltage, rail-to-rail precision amplification in battery-operated and space-constrained applications - emphasizing sub-100μA operation, ground-sensing capability, and robust shutdown functionality.
FAQ
What is the minimum supply voltage for reliable operation of the TLV342IDR?
The TLV342IDR operates reliably down to 1.5V single supply, as specified in Section 5.3 Recommended Operating Conditions. At 1.5V, it maintains rail-to-rail output swing, 2.2MHz gain bandwidth, and 1.25mV max input offset (A grade). Operation below 1.5V may result in degraded CMRR, reduced output drive, or failure to meet AC specifications.
Does the TLV342IDR have built-in ESD protection, and what level is certified?
Yes, the TLV342IDR includes on-chip ESD protection rated to ±2000V per Human-Body Model (HBM) and ±750V per Charged-Device Model (CDM), as documented in Section 5.2 of the datasheet. This meets standard handling requirements for automated assembly and field service without additional external protection in most environments.
How does the shutdown function behave on the TLV342IDR, and what happens to the outputs?
When the SHDN pin is pulled low (≤0.2V), the TLV342IDR enters shutdown mode, reducing total supply current to ≤1μA and placing both 1OUT and 2OUT pins in high-impedance state. Outputs do not float - they disconnect internally. Turnon time from shutdown is 5μs typical, allowing rapid resumption of analog signal path control.
Can the TLV342IDR drive capacitive loads, and what is the maximum recommended value?
The TLV342IDR is stable driving up to 500pF capacitive load with appropriate resistive isolation, as shown in Figure 5-24 frequency response plots. For loads >100pF, TI recommends adding a 10Ω–100Ω series resistor between output and capacitance to maintain ≥55° phase margin and prevent peaking or oscillation in closed-loop configurations.
Is the TLV342IDR pin-compatible with other dual op-amps in SOIC-8 packages, such as the LM358 or MCP6022?
No, the TLV342IDR is not pin-compatible with LM358 or MCP6022. Its pinout (1OUT, 1IN−, 1IN+, GND, V+, 2IN+, 2IN−, 2OUT) differs from LM358 (1OUT, 1IN−, 1IN+, V+, 2IN−, 2IN+, 2OUT, GND) and MCP6022 (V+, 1IN−, 1IN+, 1OUT, 2IN−, 2IN+, 2OUT, GND). PCB layout must follow TLV342IDR-specific routing.
TLV342IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- 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:
- 1V/µs
- Gain Bandwidth Product:
- 2.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 75µA (x2 Channels)
- Current - Output / Channel:
- 115 mA
- Voltage - Supply Span (Min):
- 1.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV342IDR FAQ
1.How can I place an order for TLV342IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV342IDR 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 TLV342IDR reliable?
The price and inventory of TLV342IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV342IDR is usually 5 days.
3.What payment methods are accepted for TLV342IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV342IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV342IDR?
TLV342IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV342IDR 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 TLV342IDR?
For technical support, including TLV342IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV342IDR requirements.
6.How does Aetrix verify that TLV342IDR is sourced from the original manufacturer or authorized distributors?
All TLV342IDR 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 TLV342IDR meets industry standards.
7.What is the process for return or replacement of TLV342IDR?
All TLV342IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV342IDR, 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 TLV342IDR part is unused and in its original packaging.
Return procedure for TLV342IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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