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Texas Instruments TLV274CDG4
- Part No.:
- TLV274CDG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV274CDG4.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,118
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Product details
Overview
TLV274CDG4 from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for low-power, wide-bandwidth signal conditioning in battery-powered and industrial systems. It delivers 3-MHz gain-bandwidth, 2.4 V/µs slew rate, 550 µA/channel supply current, and 39 nV/√Hz input noise voltage - enabling precision sensing and analog front-end design in Li-ion powered instruments and building automation controllers.
For engineers reviewing the TLV274CDG4 datasheet, TLV274CDG4 pinout, TLV274CDG4 application, or TLV274CDG4 equivalent, key selection criteria include rail-to-rail output swing down to 100 mV from rails at 1 mA load, ultra-low 1 pA input bias current for high-impedance sensor interfaces, and operation across 2.7 V to 16 V supply range with −40°C to 125°C industrial temperature support.
Technical Context
The TLV274CDG4 employs CMOS input stage architecture enabling femtoampere-level input bias current and high common-mode rejection (≥65 dB over full temperature range). Its rail-to-rail output stage uses complementary push-pull circuitry to achieve <100 mV saturation voltage near both supply rails under 1 mA load.
It operates as a single-supply or split-supply opamp with fully specified performance at 2.7 V, 5 V, and ±5 V. Input common-mode range extends from ground to VDD − 1.35 V, supporting direct interfacing with microcontroller ADC references and low-voltage sensors without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 16 V - supports direct operation from single Li-ion (3.0–4.2 V), dual alkaline (3.0 V), or ±8 V split supplies. |
| Gain-Bandwidth Product | 3 MHz at VDD = 5 V - enables stable unity-gain buffer or 10× gain amplification up to 300 kHz. |
| Slew Rate | 2.4 V/µs at VDD = 5 V - supports clean 1-Vpp signal reproduction up to ~380 kHz without distortion. |
| Input Bias Current | 1 pA typical at 25°C - preserves signal integrity in >1 GΩ source impedance applications like photodiode or pH electrode interfaces. |
| Input Noise Voltage | 39 nV/√Hz at 1 kHz - ensures <1 µV RMS integrated noise in 10 kHz bandwidth, critical for low-level sensor amplification. |
| Output Voltage Swing | Rail-to-rail - delivers ≥2.55 V high-level and ≤0.15 V low-level output at 1 mA load with 2.7 V supply, maximizing dynamic range. |
| Quiescent Current | 550 µA per channel - enables four-channel analog signal conditioning in sub-3 mA total system standby power budgets. |
Pinout & Package
TLV274CDG4 is packaged in 14-pin SOIC (D package) with 8.65 mm × 3.91 mm body size and standard 1.27 mm pitch. Pin 1 is top-left corner with dot marking; pin 14 is bottom-right.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Amplified output of Channel 1 - drives loads up to ±100 mA, rail-to-rail swing, low output impedance (~100 Ω). |
| 2 | 1IN− | Inverting input of Channel 1 - high-impedance CMOS node; requires matched trace routing to minimize offset drift. |
| 3 | 1IN+ | Noninverting input of Channel 1 - identical impedance to Pin 2; used for differential or single-ended signal acquisition. |
| 4 | VDD | Positive supply rail - decoupling capacitor (0.1 µF ceramic) required within 5 mm for stability. |
| 5 | 2IN− | Inverting input of Channel 2 - electrically isolated from other channels; shares no internal coupling. |
| 6 | 2IN+ | Noninverting input of Channel 2 - independent bias path; supports separate sensor inputs per channel. |
| 7 | 2OUT | Amplified output of Channel 2 - identical AC/DC specs to Pin 1; usable for dual-sensor feedback loops. |
| 8 | 3OUT | Amplified output of Channel 3 - enables three-stage filtering or multi-path signal conditioning without external ICs. |
| 9 | 3IN− | Inverting input of Channel 3 - pin-compatible with all other IN− terminals; no internal cross-talk. |
| 10 | 3IN+ | Noninverting input of Channel 3 - supports simultaneous acquisition of three analog signals with shared VDD/GND. |
| 11 | GND | Ground reference - connects to PCB ground plane; serves as return path for all four channels' quiescent and output currents. |
| 12 | 4IN+ | Noninverting input of Channel 4 - completes quad-channel configuration; enables 4× independent amplification paths. |
| 13 | 4IN− | Inverting input of Channel 4 - matches electrical characteristics of Pins 2, 5, and 9; validated for 125°C operation. |
| 14 | 4OUT | Amplified output of Channel 4 - delivers same rail-to-rail performance as other outputs; supports 4-channel data acquisition systems. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers usable signal swing within 100 mV of VDD and GND at 1 mA load - maximizes ADC utilization in 3.3 V systems. |
| Ultra-low input bias current | 1 pA typical enables direct connection to high-impedance sources (e.g., glass pH electrodes, piezoelectric sensors) without significant DC error. |
| Wide supply range | 2.7 V to 16 V operation allows use across portable (Li-ion), industrial (12 V), and legacy (±5 V) power domains without redesign. |
| Low-noise performance | 39 nV/√Hz input voltage noise ensures minimal contribution to overall system noise floor in precision instrumentation front-ends. |
| Industrial temperature grade | Specified from −40°C to +125°C - qualified for deployment in solar inverters, motor drives, and building control panels. |
Applications
| Battery-Powered Instruments | Building Automation |
|---|---|
Use Scenario: Portable multimeter measuring microamp-level leakage currents and millivolt thermocouple outputs. IC Role / Device Role / Timing Role: Quad-channel signal conditioner - two channels for current sensing (transimpedance), two for thermocouple cold-junction compensation and amplification. Use Value: 1 pA input bias prevents measurement error on >10 MΩ shunt resistors; rail-to-rail output drives 3.3 V SAR ADC full-scale range without level-shifting. | Use Scenario: HVAC controller monitoring CO₂, humidity, and temperature sensors across multiple zones. IC Role / Device Role / Timing Role: Analog front-end multiplexer driver - buffers and filters four independent sensor outputs before ADC sampling. Use Value: 550 µA/channel quiescent current enables continuous 24/7 sensor polling while maintaining <2.5 mA total system sleep current. |
| Solar Inverters | Low-Power Motor Controls |
Use Scenario: DC-link voltage and current monitoring in string-level MPPT converters operating at 60–1000 V DC. IC Role / Device Role / Timing Role: Isolation interface amplifier - conditions isolated sense signals prior to digital isolation barrier transmission. Use Value: 3-MHz bandwidth supports accurate capture of fast-switching transients; 125°C rating matches inverter thermal environment. | Use Scenario: Closed-loop speed control of BLDC fans in network equipment using hall-effect rotor position feedback. IC Role / Device Role / Timing Role: Position signal conditioner - amplifies and filters low-amplitude hall sensor outputs before MCU timer capture. Use Value: Rail-to-rail output ensures full logic-high/low swing into MCU GPIO; 2.4 V/µs slew rate preserves edge timing for precise commutation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV274IDR | Same electrical specs but I-suffix industrial grade (−40°C to 125°C) and DR tape-and-reel packaging; DG4 is C-suffix (0°C to 70°C) in tube. | Required for extended temperature deployments where ambient exceeds 70°C - e.g., enclosed solar junction boxes or motor drive cabinets. | Select TLV274IDR when operating above 70°C ambient or requiring guaranteed performance at 125°C junction temperature. |
| TLV2464CDR | Higher 6.4 MHz GBW and 1.6 V/µs slew rate but 550 µA/channel supply current; rail-to-rail input/output; 2.7 V to 6 V supply only. | Preferred for higher-speed signal chains (e.g., active filters above 500 kHz) but incompatible with 12 V or 16 V supplies used in industrial PLCs. | Choose TLV2464CDR only if bandwidth >3 MHz is mandatory and supply voltage is strictly ≤6 V. |
Compared with TLV274IDR, TLV274CDG4 offers identical functionality at commercial temperature range with tube packaging for prototyping; versus TLV2464CDR, it trades bandwidth for wider supply flexibility and lower noise, making it superior for precision low-frequency sensor interfaces.
Availability
TLV274CDG4 is available at Aetrix Electronics and suitable for battery-powered instruments, building automation systems, solar inverters, and low-power motor controls requiring stable component supply across production lifecycles.
Supply support for TLV274CDG4 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 designing analog ICs, embedded processors, and connectivity solutions for industrial, automotive, and consumer markets.
The TLV27x product line targets low-power, rail-to-rail output operational amplifiers for battery-constrained and wide-supply industrial applications - emphasizing precision, efficiency, and robustness across extended temperature ranges.
FAQ
What is the maximum supply voltage for TLV274CDG4?
The absolute maximum supply voltage for TLV274CDG4 is 16.5 V, but the recommended operating maximum is 16 V. Operation beyond 16 V risks permanent damage. The device is fully specified from 2.7 V to 16 V, supporting configurations such as ±8 V split supplies or single 12 V industrial rails. Always observe derating guidelines in TI's SLOS351E datasheet Section 7.1.
Does TLV274CDG4 support rail-to-rail input?
No, TLV274CDG4 does not support rail-to-rail input. Its input common-mode voltage range is specified from 0 V to VDD − 1.35 V. At 2.7 V supply, this limits valid input to 0 V to 1.35 V; at 5 V supply, input must stay below 3.65 V. For true rail-to-rail input capability, consider TI's TLV2374 or similar family members explicitly rated for input down to GND and up to VDD.
What is the input bias current specification for TLV274CDG4 at 125°C?
At 125°C, the input bias current for TLV274CDG4 is specified at a maximum of 1000 pA (1 nA) per input terminal. This value is confirmed in Section 7.7 of the SLOS351E datasheet under "Electrical Characteristics: Input Characteristics" for full temperature range testing. While the typical value remains ~1 pA at 25°C, designers must budget for this 1000× increase in worst-case high-temperature operation.
Can TLV274CDG4 drive capacitive loads directly?
TLV274CDG4 can drive capacitive loads ≤10 pF directly without instability. For loads >10 pF - such as long PCB traces or ADC input capacitance - TI recommends adding a series resistor (RNULL ≥20 Ω) between the output pin and the load, as detailed in Section 8.3.3 and Figure 26 of the SLOS351E datasheet. Omitting RNULL may cause ringing or oscillation due to phase margin degradation.
Is TLV274CDG4 pin-compatible with other TLV27x variants?
Yes, TLV274CDG4 is pin-compatible with all TLV274 variants in the same SOIC-14 (D) package, including TLV274IDR and TLV274CPW. Pin numbering, function mapping, and footprint dimensions match exactly. However, it is not pin-compatible with TLV271 (5-pin SOT-23) or TLV272 (8-pin SOIC/VSSOP) due to differing channel count and package geometry.
TLV274CDG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 2.6V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 550µA (x4 Channels)
- Current - Output / Channel:
- 8 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
TLV274CDG4 FAQ
1.How can I place an order for TLV274CDG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV274CDG4 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 TLV274CDG4 reliable?
The price and inventory of TLV274CDG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV274CDG4 is usually 5 days.
3.What payment methods are accepted for TLV274CDG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV274CDG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV274CDG4?
TLV274CDG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV274CDG4 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 TLV274CDG4?
For technical support, including TLV274CDG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV274CDG4 requirements.
6.How does Aetrix verify that TLV274CDG4 is sourced from the original manufacturer or authorized distributors?
All TLV274CDG4 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 TLV274CDG4 meets industry standards.
7.What is the process for return or replacement of TLV274CDG4?
All TLV274CDG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLV274CDG4, 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 TLV274CDG4 part is unused and in its original packaging.
Return procedure for TLV274CDG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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