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Texas Instruments TLV2452CDR
- Part No.:
- TLV2452CDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2452CDR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,289
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Product details
Overview
TLV2452CDR from Texas Instruments is a dual rail-to-rail input/output operational amplifier optimized for ultralow-power, low-voltage portable systems. It delivers 220 kHz gain-bandwidth, 23 µA/channel supply current, ±10 mA output drive, 20 µV typical input offset voltage, and operates from 2.7 V to 6 V - enabling precision signal conditioning in battery-powered medical sensors and data acquisition front-ends.
For engineers reviewing the TLV2452CDR datasheet, TLV2452CDR pinout, TLV2452CDR application, or TLV2452CDR equivalent, this page provides verified package mapping (8-pin MSOP), confirmed shutdown functionality (16 nA/channel), rail-to-rail I/O swing within 250 mV of rails under 2.5 mA load, and real-world use cases in patient monitoring and low-power analog sensing circuits.
Technical Context
The TLV2452CDR implements a CMOS input stage with rail-to-rail input common-mode range (0 V to VDD) and rail-to-rail output swing (within 250 mV of each rail at 2.5 mA load). Its internal architecture supports stable unity-gain operation with 56° phase margin into 1000 pF capacitive loads and achieves 220 kHz gain-bandwidth at 5 V supply.
It features an active-low shutdown control (SHDN) that places outputs in high-impedance state and reduces supply current to 16 nA per channel. The device is fully specified across 0°C to 70°C (C-suffix) and supports single-supply operation down to 2.7 V, making it suitable for 3 V microcontroller-based sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 23 µA per channel - enables multi-year battery life in always-on wearable sensors. |
| Gain-Bandwidth Product | 220 kHz - supports DC-coupled amplification of ECG, temperature, and pressure signals up to ~20 kHz with stable gain. |
| Input Offset Voltage | 20 µV (typ) - minimizes baseline drift in precision instrumentation amplifiers and bridge sensor interfaces. |
| Output Drive | ±10 mA - drives 10 kΩ loads directly without external buffers in data acquisition ADC driver stages. |
| Rail-to-Rail I/O | Swings within 250 mV of VDD/GND at 2.5 mA - maximizes dynamic range in 3 V systems, preserving >90% of full-scale ADC input range. |
| Shutdown Current | 16 nA per channel - reduces system standby power by >99.9% when idle, critical for intermittent-sampling applications. |
| PSRR | 106 dB - rejects noise from shared LDOs or switching regulators in mixed-signal PCB layouts. |
Pinout & Package
TLV2452CDR is housed in an 8-pin MSOP (DGK) package - thermally enhanced, surface-mount, 3.0 mm × 3.0 mm footprint with 0.65 mm pitch. This compact package supports high-density layout in portable medical and IoT edge nodes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of Channel 1 - rail-to-rail capable, high-impedance during shutdown. |
| 2 | 1IN− | Inverting input of Channel 1 - CMOS input with 0.3 nA bias current, supports high-impedance sensor interfaces. |
| 3 | 1IN+ | Non-inverting input of Channel 1 - rail-to-rail common-mode range (0 V to VDD). |
| 4 | GND | Analog ground reference - must be connected to clean system ground plane to maintain PSRR and CMRR performance. |
| 5 | 2IN+ | Non-inverting input of Channel 2 - independent of Channel 1; enables dual-sensor simultaneous sampling. |
| 6 | 2IN− | Inverting input of Channel 2 - matched input characteristics to Pin 2 for consistent dual-channel performance. |
| 7 | 2OUT | Output of Channel 2 - identical AC/DC specs to Pin 1; supports differential output configurations. |
| 8 | VDD+ | Positive supply - accepts 2.7 V to 6 V; no negative rail required; decoupling capacitor (0.1 µF) mandatory at pin. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Input/Output | Enables full utilization of 3 V ADC reference range without level-shifting circuitry. |
| Ultralow 23 µA/Channel Supply Current | Permits integration of two op-amps in space-constrained, coin-cell–powered devices without compromising battery life. |
| 16 nA/Channel Shutdown Mode | Allows firmware-controlled power gating in duty-cycled measurement systems (e.g., pulse oximetry every 5 s). |
| 220 kHz Gain-Bandwidth at 5 V | Supports closed-loop gains up to 22 with stable response for anti-aliasing and sensor signal conditioning. |
| 20 µV Typical Input Offset Voltage | Reduces calibration overhead in factory-trimmed medical sensor modules and eliminates need for external nulling. |
| 8-Pin MSOP (DGK) Package | Offers thermal resistance θJA = 259.9°C/W - suitable for ambient temperatures up to 70°C without heatsinking. |
Applications
| Portable ECG Monitoring | Low-Power Temperature Sensing |
|---|---|
|
Use Scenario: Amplifying microvolt-level biopotential signals from dry-electrode ECG leads in wrist-worn health trackers. IC Role / Device Role / Timing Role: Dual-channel instrumentation front-end: one channel for differential lead amplification, second for right-leg drive (RLD) feedback generation. Use Value: Rail-to-rail output swing preserves >95% of 3 V ADC full scale; 23 µA/channel extends battery life beyond 14 days on a 100 mAh cell. |
Use Scenario: Conditioning output from thermistor or RTD bridges in battery-operated environmental sensors. IC Role / Device Role / Timing Role: Precision non-inverting amplifier with programmable gain (via external resistors) and offset compensation. Use Value: 20 µV offset ensures <±0.1°C error over 0–50°C range; shutdown mode cuts quiescent current to 32 nA total for sleep-state power budgeting. |
| Industrial Data Acquisition Front-End | Wearable Pulse Oximetry Signal Chain |
|
Use Scenario: Buffering and level-shifting 4–20 mA loop sensor outputs into SAR ADC inputs in field-deployed condition monitors. IC Role / Device Role / Timing Role: Unity-gain buffer with rail-to-rail input to accept 0–5 V sensor voltage spans and drive 10 kΩ ADC sample-and-hold inputs. Use Value: ±10 mA output drive eliminates need for external buffer transistors; 106 dB PSRR suppresses switching noise from isolated DC/DC converters. |
Use Scenario: Driving red/IR LED current sources and amplifying photodiode current via transimpedance configuration in compact earbud-style SpO₂ sensors. IC Role / Device Role / Timing Role: Dual TIA: one channel for red LED modulation path, second for IR path - synchronized by MCU PWM timing. Use Value: Matched dual-channel specs ensure identical gain/phase response for ratiometric SpO₂ calculation; shutdown isolates unused channel during alternating LED cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6022-E/SN | Higher supply current (100 µA/ch), lower GBW (1 MHz), no shutdown, SOIC-8 only. | Lacks low-power shutdown; better for higher-speed but less battery-sensitive designs. | Select when >100 kHz bandwidth is needed and 23 µA quiescent current is not mandatory. |
| OPA2333AIDR | Zero-drift architecture, 17 µA/ch, 350 kHz GBW, no shutdown, same 8-pin SOIC/MSOP footprints. | Superior DC accuracy (0.02 µV/°C drift) but no shutdown; requires tighter layout for EMI immunity. | Choose for ultra-stable DC-coupled applications (e.g., precision weigh scales) where shutdown is unnecessary. |
Compared with MCP6022-E/SN and OPA2333AIDR, TLV2452CDR uniquely balances micropower operation (23 µA), integrated shutdown (16 nA), and rail-to-rail I/O in an 8-pin MSOP - making it the only option among the three qualified for long-duration, intermittently active, space-constrained medical wearables.
Availability
TLV2452CDR is available at Aetrix Electronics and suitable for portable medical equipment, battery-powered data loggers, and low-power industrial sensor nodes requiring stable component supply across extended production lifecycles.
Supply support for TLV2452CDR 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 amplifiers and low-power design.
The TLV245x family was engineered specifically for ultralow-power, rail-to-rail signal conditioning in portable and battery-operated systems - emphasizing supply current efficiency without sacrificing ac performance or output drive.
FAQ
What is the operating temperature range for TLV2452CDR?
The TLV2452CDR carries the 'C' suffix, specifying an operating free-air temperature range of 0°C to 70°C. This rating is validated per TI's SLOS218F datasheet and applies to all electrical characteristics including supply current, gain-bandwidth, and input offset voltage. The device remains functional outside this range but is not guaranteed to meet datasheet specifications beyond 0°C–70°C.
Does TLV2452CDR include a shutdown function?
Yes, TLV2452CDR includes an active-low shutdown control terminal (Pin 5 in MSOP DGK package). When pulled low, it disables both amplifiers, placing their outputs in high-impedance state and reducing total supply current to 32 nA (16 nA per channel). This feature is explicitly documented in the TLV245x family datasheet and confirmed for TLV2452CDR in the "FAMILY PACKAGE TABLE" and "electrical characteristics" sections.
What package type is used for TLV2452CDR?
TLV2452CDR uses the 8-pin MSOP (Micro Small Outline Package) with DGK designation - measuring 3.0 mm × 3.0 mm with 0.65 mm lead pitch. This is confirmed in the "TLV2452 and TLV2453 AVAILABLE OPTIONS" table and "TLV245x PACKAGE PINOUTS" diagram, which explicitly lists TLV2452CDR under the DGK column and shows its 8-pin top-view layout.
Can TLV2452CDR operate from a single 3 V supply?
Yes, TLV2452CDR is fully specified for single-supply operation from 2.7 V to 6 V, including 3 V. Its rail-to-rail input common-mode range (0 V to VDD) and rail-to-rail output swing (within 250 mV of rails at 2.5 mA) are guaranteed at 3 V per the "recommended operating conditions" and "electrical characteristics" tables in the SLOS218F datasheet.
What is the gain-bandwidth product of TLV2452CDR at 5 V supply?
The gain-bandwidth product of TLV2452CDR is 220 kHz at VDD = 5 V, as measured at f = 10 kHz with RL = 10 kΩ (SLOS218F, page 8, "operating characteristics"). This value is confirmed in both typical-characteristics graphs (Figure 25) and tabulated data, and represents the frequency at which open-loop gain drops to unity under standard test conditions.
TLV2452CDR 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:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.11V/µs
- Gain Bandwidth Product:
- 220 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 500 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 23µA (x2 Channels)
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 6 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2452CDR FAQ
1.How can I place an order for TLV2452CDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2452CDR 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 TLV2452CDR reliable?
The price and inventory of TLV2452CDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2452CDR is usually 5 days.
3.What payment methods are accepted for TLV2452CDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2452CDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2452CDR?
TLV2452CDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2452CDR 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 TLV2452CDR?
For technical support, including TLV2452CDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2452CDR requirements.
6.How does Aetrix verify that TLV2452CDR is sourced from the original manufacturer or authorized distributors?
All TLV2452CDR 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 TLV2452CDR meets industry standards.
7.What is the process for return or replacement of TLV2452CDR?
All TLV2452CDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2452CDR, 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 TLV2452CDR part is unused and in its original packaging.
Return procedure for TLV2452CDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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