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Texas Instruments TLV2465CDR
- Part No.:
- TLV2465CDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2465CDR.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,219
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Product details
Overview
TLV2465CDR from Texas Instruments is a quad rail-to-rail input/output operational amplifier optimized for low-power portable and industrial signal conditioning. It delivers 6.4 MHz gain-bandwidth, 1.6 V/µs slew rate, ±80 mA output drive, 11 nV/√Hz input noise voltage, and 100 µV input offset voltage at 3 V supply - enabling high-fidelity buffering of precision ADCs in battery-powered systems.
For engineers reviewing the TLV2465CDR datasheet, TLV2465CDR pinout, TLV2465CDR application, or TLV2465CDR equivalent, this device supports rail-to-rail dynamic range in 2.7–6 V single-supply operation, features individual shutdown control per channel, and targets low-noise analog front-ends where micropower consumption (500 µA/channel active, 0.3 µA/channel in shutdown) and output drive capability are critical selection criteria.
Technical Context
The TLV2465CDR integrates four independent amplifiers with rail-to-rail input common-mode range extending beyond supply rails and rail-to-rail output swing delivering full dynamic range in low-voltage systems. Its architecture supports stable unity-gain operation with 160 pF capacitive load and provides phase margin ≥44° at 3 V.
Each channel includes a dedicated shutdown terminal that places the amplifier in ultralow-current mode (0.3 µA/channel), forcing output to high-impedance state without affecting other channels - enabling selective power gating in multi-stage analog signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6.4 MHz - enables stable closed-loop operation up to ~500 kHz at gain = 12 with adequate phase margin |
| Slew Rate | 1.6 V/µs - supports 10-bit settling of 2-Vpp signals within ~1.8 µs at AV = −1, CL = 56 pF |
| Input Offset Voltage | 100 µV (typ) - ensures ≤0.004% gain error in 2.5-V reference buffer applications |
| Supply Current (per channel) | 500 µA (typ) at 3 V - allows 4-channel operation under 2 mA total, suitable for always-on sensor interfaces |
| Output Drive | ±80 mA (measured 1 V from rail) - drives 50-Ω loads directly or 10-kΩ ADC inputs with <0.1% linearity error |
| Input Noise Voltage | 11 nV/√Hz at 1 kHz - contributes <1.1 µVrms integrated noise in 10-kHz bandwidth, critical for 16-bit ADC front-ends |
| Shutdown Current | 0.3 µA/channel - reduces quiescent draw by >99.9% per disabled channel, preserving battery life in duty-cycled systems |
Pinout & Package
TSSOP-16 package (PW suffix), 5.0 mm × 4.4 mm × 1.2 mm body, 0.65 mm pitch, thermally enhanced exposed pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Channel 1 Output | High-drive rail-to-rail output capable of sourcing/sinking ±80 mA near supply rails |
| 2 | Channel 1 Inverting Input | Differential input node with 1300 pA bias current (C-suffix), 7 pF common-mode capacitance |
| 3 | Channel 1 Non-Inverting Input | High-impedance input supporting rail-to-rail common-mode range (0 V to VDD) |
| 4 | Ground (GND) | Common return for all channels and shutdown logic; requires low-impedance PCB connection |
| 5 | Channel 2 Non-Inverting Input | Independent input for second amplifier; shares no internal nodes with Channel 1 |
| 6 | Channel 2 Inverting Input | Second differential pair input; matched offset and noise performance to Pin 2 |
| 7 | Channel 2 Output | Full-output-swing node with identical drive strength and thermal characteristics as Pin 1 |
| 8 | 1/2 Shutdown Control | CMOS-compatible digital input: VIH ≥ 2 V, VIL ≤ 0.7 V; asserts high-Z output when low |
| 9 | Channel 4 Output | Fourth independent output; electrically isolated from Channels 1–2 and 3 |
| 10 | Channel 4 Inverting Input | Input stage matched to Pins 2 and 6; supports same common-mode and noise specs |
| 11 | Channel 4 Non-Inverting Input | Rail-to-rail input capable of accepting signals from GND to VDD without phase reversal |
| 12 | Ground (GND) | Second GND pin for improved PSRR and reduced crosstalk between Channel pairs |
| 13 | Channel 3 Non-Inverting Input | Third amplifier input; layout symmetry matches Pin 5 for balanced routing |
| 14 | Channel 3 Inverting Input | Matched to Pins 2/6/10; enables consistent gain-setting resistor networks across all channels |
| 15 | Channel 3 Output | Final output with identical AC/DC specs to Pins 1/7/9; supports independent load switching |
| 16 | 3/4 Shutdown Control | Separate enable/disable control for Channels 3 and 4; decouples power management from Channels 1–2 |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full-scale signal acquisition from 0 V to VDD in single-supply 2.7–6 V systems without level-shifting circuitry |
| Individual dual-pair shutdown | Two independent shutdown pins (Pins 8 and 16) allow selective disabling of Channel pairs to minimize system-level quiescent current |
| Low input noise voltage | 11 nV/√Hz at 1 kHz ensures minimal added noise in precision sensor amplification and 16-bit ADC driver stages |
| High output drive capability | ±80 mA output current supports direct driving of SAR ADC reference buffers and low-impedance transducer loads |
| Stable with capacitive loads | Guaranteed phase margin ≥44° with 160 pF load enables robust operation into ADC input capacitance without external isolation resistors |
| Extended temperature range | Specified from −40°C to 125°C (I-suffix) supports automotive cabin and industrial motor-control environments |
Applications
| Portable Medical Sensors | Industrial Process Transmitters |
|---|---|
|
Use Scenario: Amplifying low-level biopotential signals (ECG, EEG) from dry electrodes in handheld diagnostic devices. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with rail-to-rail input to capture sub-mV signals referenced to battery ground. Use Value: 100 µV offset and 11 nV/√Hz noise preserve signal integrity over 0.05–150 Hz bandwidth; 500 µA/channel enables >100-hour battery life in continuous monitoring mode. |
Use Scenario: Conditioning 4–20 mA loop transmitter outputs for PLC analog inputs in factory automation. IC Role / Device Role / Timing Role: Buffered voltage output stage converting current-loop signals to 0–5 V or 0–10 V standards with high PSRR. Use Value: 85 dB supply rejection ratio (SVR) and ±80 mA drive ensure immunity to loop-induced supply ripple and compatibility with long cable runs. |
| Automotive Cabin Climate Control | Smart Energy Metering Front-End |
|
Use Scenario: Signal conditioning for NTC thermistors and humidity sensors in HVAC modules operating across −40°C to 125°C ambient. IC Role / Device Role / Timing Role: Rail-to-rail input amplifier providing accurate linearization and offset compensation in wide-temperature-range analog sensing. Use Value: Guaranteed 1700 µV max input offset over full temperature range and 2 µV/°C drift enable <0.5°C measurement accuracy without calibration. |
Use Scenario: Isolated voltage and current sensing in Class 0.5 smart meters using shunt-based current measurement. IC Role / Device Role / Timing Role: High-precision, low-drift buffer for anti-aliasing filters feeding 24-bit delta-sigma ADCs. Use Value: 6.4 MHz GBW and 1.6 V/µs slew rate support fast transient response during fault detection; 0.3 µA shutdown current minimizes standby loss in meter sleep modes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2465IDR | Same architecture and pinout, but rated for −40°C to 125°C (I-suffix) vs. 0°C to 70°C (C-suffix); 1500 µV max VIO vs. 2000 µV | Required for automotive under-hood or industrial control cabinet deployments where extended temperature operation is mandatory | Select TLV2465IDR when operating ambient exceeds 70°C or when AEC-Q100 qualification is needed |
| OPA4340UA | Higher precision (50 µV VIO typ), lower noise (8 nV/√Hz), but higher supply current (750 µA/ch) and no shutdown function | Better suited for metrology-grade instrumentation where offset/noise dominate over power budget | Choose OPA4340UA only when TLV2465CDR's 100 µV offset or 11 nV/√Hz noise limit system accuracy |
Compared with TLV2465IDR, TLV2465CDR offers lower cost and sufficient performance for commercial portable equipment, while OPA4340UA trades off micropower operation for superior DC precision - making TLV2465CDR optimal for battery-constrained, wide-temperature industrial and medical edge devices requiring balanced AC/DC performance.
Availability
TLV2465CDR is available at Aetrix Electronics and suitable for portable medical diagnostics, industrial process transmitters, automotive climate control modules, and smart energy metering systems requiring stable component supply across production lifecycles.
Supply support for TLV2465CDR 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 TLV246x family was designed specifically for portable and industrial applications demanding rail-to-rail I/O, micropower operation, and robust output drive - addressing limitations of earlier generation low-voltage op-amps in ADC buffering and sensor interface roles.
FAQ
What is the operating temperature range for TLV2465CDR?
The TLV2465CDR is specified for 0°C to 70°C ambient operation (C-suffix). It maintains rail-to-rail input/output functionality, 6.4 MHz gain-bandwidth, and 100 µV typical input offset voltage across this full commercial temperature range. For extended temperature applications, TI offers the TLV2465IDR variant rated from −40°C to 125°C.
Does TLV2465CDR support true rail-to-rail input and output?
Yes, TLV2465CDR supports rail-to-rail input common-mode voltage range (0 V to VDD) and rail-to-rail output swing (within 10 mV of each rail under light load). This is confirmed in the datasheet's "Common-mode input voltage range" specification (0 to VDD) and "High-/Low-level output voltage" test conditions showing VOH ≥ VDD − 0.1 V and VOL ≤ 0.1 V at 2.5 mA load with 3 V supply.
How does the shutdown feature work on TLV2465CDR?
TLV2465CDR has two independent shutdown pins: Pin 8 controls Channels 1 and 2; Pin 16 controls Channels 3 and 4. Driving either pin below 0.7 V (VIL) disables its associated pair, reducing supply current to 0.3 µA per channel and placing the outputs in high-impedance state. Both pins must be ≥2 V (VIH) for normal operation.
What is the maximum capacitive load TLV2465CDR can drive stably?
TLV2465CDR is characterized for stable operation with up to 160 pF capacitive load at unity gain (AV = 1), maintaining ≥44° phase margin per the datasheet's operating characteristics table. For heavier loads or higher gains, external isolation resistors (e.g., 10–50 Ω in series with output) are recommended to preserve stability.
Is TLV2465CDR pin-compatible with other TLV246x variants?
Yes, TLV2465CDR is pin-compatible with all TLV2465x variants in TSSOP-16 (PW) package, including TLV2465IDR and TLV2465AIPW. The pinout remains identical across C/I/A suffixes and PW package variants; only electrical specifications (e.g., VIO, temperature range) differ. No PCB redesign is required when upgrading to higher-grade versions.
TLV2465CDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.6V/µs
- Gain Bandwidth Product:
- 6.4 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1.3 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 550µA (x4 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 6 V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
TLV2465CDR FAQ
1.How can I place an order for TLV2465CDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2465CDR 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 TLV2465CDR reliable?
The price and inventory of TLV2465CDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2465CDR is usually 5 days.
3.What payment methods are accepted for TLV2465CDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2465CDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2465CDR?
TLV2465CDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2465CDR 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 TLV2465CDR?
For technical support, including TLV2465CDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2465CDR requirements.
6.How does Aetrix verify that TLV2465CDR is sourced from the original manufacturer or authorized distributors?
All TLV2465CDR 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 TLV2465CDR meets industry standards.
7.What is the process for return or replacement of TLV2465CDR?
All TLV2465CDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2465CDR, 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 TLV2465CDR part is unused and in its original packaging.
Return procedure for TLV2465CDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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