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Texas Instruments TLV2444CDR
- Part No.:
- TLV2444CDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2444CDR.pdf
- Description:
- IC CMOS 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,101
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Product details
Overview
TLV2444CDR from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for low-voltage, single-supply operation (2.7 V to 10 V). It delivers 1.8 MHz gain-bandwidth, 750 µA per channel supply current, 16 nV/√Hz input voltage noise at 1 kHz, and rail-to-rail output swing - enabling high dynamic range signal conditioning in battery-powered sensor interfaces and ADC drivers.
For engineers reviewing the TLV2444CDR datasheet, TLV2444CDR pinout, TLV2444CDR application, or TLV2444CDR equivalent, key selection criteria include its 0 V to 4.25 V common-mode input range at 5 V supply, 600-Ω output drive capability, absence of phase inversion, and guaranteed 950 µV max input offset voltage (TLV2444A-grade) - critical for precision analog front-ends in industrial and portable instrumentation.
Technical Context
The TLV2444CDR implements Advanced LinCMOS™ process technology to achieve rail-to-rail output swing while maintaining wide common-mode input voltage range (0 V to VDD–1 V) and no phase inversion near supply rails. Its architecture supports stable unity-gain operation with 600 Ω load and 100 pF capacitive load, delivering 0.75 V/µs slew rate and 68° phase margin at 5 V.
It operates across 0°C to 70°C ambient temperature, features 1 pA typical input bias current, 1000 GΩ differential and common-mode input resistance, and is fully characterized at both 3 V and 5 V supplies - making it suitable for low-power, high-impedance source interfacing such as piezoelectric transducers and remote sensor nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 10 V - supports single-supply operation in 3.3 V and 5 V systems without level-shifting. |
| Gain-Bandwidth Product | 1.8 MHz typ - enables stable closed-loop operation up to ~100 kHz with moderate gain in sensor amplification stages. |
| Input Offset Voltage (max) | 2.5 mV - specified for TLV2444C grade; ensures ≤±1.25 mV error at room temperature in DC-coupled gain stages. |
| Supply Current per Channel | 750 µA typ - allows four-channel operation within 3 mA total, ideal for space-constrained portable designs. |
| Output Drive Capability | 600 Ω load - sustains rail-to-rail swing into telecom-grade loads, eliminating need for external buffers in line-driver applications. |
| Input Voltage Noise | 16 nV/√Hz @ 1 kHz - low enough for µV-level signal amplification from high-impedance sources like pH electrodes. |
| Common-Mode Input Range | 0 V to 4.25 V min @ 5 V - accepts inputs down to ground, simplifying single-supply sensor biasing without external resistive networks. |
Pinout & Package
TLV2444CDR is packaged in an 14-pin SOIC (D package), tape-and-reel format (R suffix). The device integrates four independent op-amps in a standard dual-in-line footprint with exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8, 12 | Output (OUT1–OUT4) | Rail-to-rail output terminals capable of sourcing/sinking ±5 mA; swing within 50 mV of rails at light load. |
| 2, 6, 9, 13 | Inverting Input (IN1– – IN4–) | Differential input pins with 1 pA bias current; support common-mode voltages from VDD– to VDD+–1 V. |
| 3, 7, 10, 14 | Non-Inverting Input (IN1+ – IN4+) | High-impedance inputs (1000 GΩ) enabling direct connection to high-Z sensors without loading error. |
| 4 | VDD–/GND | Ground reference for single-supply operation; also serves as negative rail in split-supply configurations. |
| 11 | VDD+ | Positive supply terminal; accepts 2.7–10 V; decoupling capacitor required for stability at high frequencies. |
Key Features
| Feature | Design Value |
|---|---|
| No phase inversion | Prevents output latch-up when common-mode input reaches either rail - eliminates need for input clamping diodes in rail-sensing circuits. |
| Rail-to-rail output | Delivers full 0–VDD output swing at 600 Ω load, maximizing ADC input dynamic range in single-supply data acquisition systems. |
| Extended common-mode range | 0 V to 4.25 V (min) at 5 V supply - accommodates ground-referenced signals without level-shifting circuitry. |
| Low input bias current | 1 pA typical - minimizes voltage error across high-value feedback networks (>10 MΩ) used in precision integrators and photodiode amps. |
| Macromodel included | SPICE model provided by TI enables accurate AC/DC/transient simulation before prototyping - reducing design iteration cycles. |
Applications
| Industrial Sensor Signal Conditioning | Portable Medical Instrumentation |
|---|---|
Use Scenario: Amplifying low-level outputs from strain gauges, RTDs, or thermocouples in PLC analog input modules. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with low offset drift and high CMRR to reject 50/60 Hz interference. Use Value: 2.5 mV max input offset and 70 dB CMRR at 5 V ensure <0.05% gain error over temperature without trimming. | Use Scenario: Front-end amplification for ECG/EEG electrodes in handheld patient monitors. IC Role / Device Role / Timing Role: Low-noise, low-power buffer driving SAR ADCs with rail-to-rail input range. Use Value: 16 nV/√Hz noise and 750 µA/channel current enable >80 dB SNR in 1 kHz bandwidth at 3 V supply. |
| ADC Driver for Single-Supply Systems | Telecom Line Interface |
Use Scenario: Driving the input of 12-bit to 16-bit SAR or delta-sigma ADCs in battery-powered data loggers. IC Role / Device Role / Timing Role: Output buffer ensuring full-scale ADC utilization via rail-to-rail swing and fast settling (1.5 µs to 0.1%). Use Value: 0.75 V/µs slew rate and 0.9 MHz max output-swing bandwidth maintain accuracy for 100 kSPS sampling. | Use Scenario: Transmit path amplification in VoIP codecs and DSL line cards requiring 600 Ω impedance matching. IC Role / Device Role / Timing Role: Line driver delivering ±2.5 V peak signal into 600 Ω balanced load with minimal THD+N. Use Value: 0.17% THD+N at 1 kHz and 600 Ω load meets ITU-T G.712 linearity requirements for voiceband signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2444IDR | Wider operating temperature range (–40°C to 125°C); same electrical specs and pinout. | Suitable for under-hood automotive or industrial control environments where extended thermal performance is required. | Select TLV2444IDR when ambient temperature exceeds 70°C; otherwise TLV2444CDR offers cost advantage for commercial-grade designs. |
| MCP6004-E/SL | Lower supply current (100 µA/ch), lower GBW (1 MHz), higher input offset (1.5 mV max), but same SOIC-14 package. | Better suited for ultra-low-power wake-on-event sensor nodes where bandwidth <100 kHz suffices. | Choose MCP6004-E/SL only if power budget is <400 µA total and bandwidth demands are relaxed; TLV2444CDR provides superior speed/noise trade-off. |
Compared with TLV2444IDR, TLV2444CDR trades extended temperature rating for lower cost in commercial applications; versus MCP6004-E/SL, it delivers 1.8× higher bandwidth and 10× lower input voltage noise at the expense of 7× higher quiescent current - favoring performance-critical signal chains over energy-constrained ones.
Availability
TLV2444CDR is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical devices, and single-supply ADC driver applications requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for TLV2444CDR 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 TLV2444CDR belongs to TI's Advanced LinCMOS™ rail-to-rail output op-amp family, designed specifically for low-voltage, high-fidelity signal conditioning in battery-powered and space-constrained systems where input common-mode range and output swing are critical.
FAQ
What is the maximum operating supply voltage for TLV2444CDR?
The absolute maximum supply voltage for TLV2444CDR is 12 V, but the recommended operating range is 2.7 V to 10 V. Operation above 10 V risks exceeding internal junction limits and is not characterized. At 10 V, the device maintains rail-to-rail output swing and 1.8 MHz gain-bandwidth, though supply current increases to ~1.1 mA per channel.
Does TLV2444CDR support true rail-to-rail input?
No, TLV2444CDR features rail-to-rail *output* only. Its common-mode input voltage range extends from VDD– to VDD+–1 V (e.g., 0 V to 4.25 V min at 5 V supply), which includes the negative rail but stops 1 V short of the positive rail. This avoids phase inversion and supports ground-referenced inputs, but does not allow direct connection of signals at VDD+.
Can TLV2444CDR drive a 100 pF capacitive load stably?
Yes, TLV2444CDR is characterized for stable operation with 100 pF capacitive load and 600 Ω series resistance, achieving 68° phase margin and 8 dB gain margin at 5 V supply. For loads >100 pF, external isolation resistor (≥10 Ω) is recommended to prevent peaking or oscillation in unity-gain configurations.
What is the input offset voltage specification for TLV2444CDR?
TLV2444CDR (C-suffix) has a maximum input offset voltage of 2.5 mV at TA = 25°C, and 2500 µV across the full 0°C to 70°C operating range. This is distinct from the TLV2444A-grade (e.g., TLV2444AIDR), which guarantees ≤950 µV max at 25°C - a key differentiator for precision DC applications.
Is TLV2444CDR pin-compatible with other quad op-amps in SOIC-14?
TLV2444CDR uses the industry-standard SOIC-14 pinout for quad op-amps (pin 1 = OUT1, pin 2 = IN1–, pin 3 = IN1+, pin 4 = VDD–/GND, pin 5 = OUT2, etc.), matching LM324, TLC274, and MCP6004. However, electrical behavior differs significantly - especially input bias current (1 pA vs. 45 nA for LM324) and output drive - so functional validation is required despite mechanical compatibility.
TLV2444CDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.4V/µs
- Gain Bandwidth Product:
- 1.81 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 750µA (x4 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 10 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
TLV2444CDR FAQ
1.How can I place an order for TLV2444CDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2444CDR 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 TLV2444CDR reliable?
The price and inventory of TLV2444CDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2444CDR is usually 5 days.
3.What payment methods are accepted for TLV2444CDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2444CDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2444CDR?
TLV2444CDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2444CDR 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 TLV2444CDR?
For technical support, including TLV2444CDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2444CDR requirements.
6.How does Aetrix verify that TLV2444CDR is sourced from the original manufacturer or authorized distributors?
All TLV2444CDR 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 TLV2444CDR meets industry standards.
7.What is the process for return or replacement of TLV2444CDR?
All TLV2444CDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2444CDR, 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 TLV2444CDR part is unused and in its original packaging.
Return procedure for TLV2444CDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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