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Texas Instruments OPA364IDBVTG4
- Part No.:
- OPA364IDBVTG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
OPA364IDBVTG4.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,027
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Product details
Overview
OPA364IDBVTG4 from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier optimized for low-voltage, single-supply operation (1.8 V to 5.5 V). It delivers 7 MHz gain-bandwidth, 5 V/µs slew rate, 90 dB typical CMRR, 500 µV maximum input offset voltage, and 750 µA maximum quiescent current per channel-enabling high-fidelity signal conditioning in battery-powered microphone preamplifiers and portable data acquisition systems.
For engineers reviewing the OPA364IDBVTG4 datasheet, OPA364IDBVTG4 pinout, OPA364IDBVTG4 application, or OPA364IDBVTG4 equivalent, key selection considerations include its 5-pin SOT-23 package, shutdown-free architecture (distinguishing it from OPA363), rail-to-rail I/O swing within 10 mV of rails, and guaranteed performance from –40°C to +125°C for industrial-grade embedded sensing.
Technical Context
The OPA364IDBVTG4 employs a complementary CMOS input stage that eliminates crossover distortion, enabling excellent differential linearity and THD when driving SAR or delta-sigma ADCs. Its unity-gain stable architecture supports direct use in active filters, transimpedance amplifiers, and precision buffer configurations without external compensation.
No internal shutdown logic is present-unlike the pin-compatible OPA363-making OPA364IDBVTG4 suitable for always-on, low-latency signal paths. Input common-mode range extends from (V–) – 0.1 V to (V+) + 0.1 V, and output swings to within 10 mV of both supply rails under 10 kΩ load at 25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.8 V to 5.5 V single supply - enables direct interface with Li-ion, coin-cell, or 3.3 V/5 V system rails without level shifting. |
| Gain-Bandwidth Product | 7 MHz - supports stable closed-loop gain ≥10 up to ~700 kHz, sufficient for audio-band filtering and sensor signal amplification. |
| Input Offset Voltage | ≤500 µV (max) - ensures ≤0.5 mV error in 1 V full-scale 12-bit systems, minimizing calibration burden in precision front-ends. |
| Slew Rate | 5 V/µs - allows clean 100 kHz sine-wave reproduction at 5 Vpp without slew-induced distortion. |
| CMRR | 90 dB (typical) - rejects >30 kΩ of common-mode noise on differential sensor outputs (e.g., bridge transducers). |
| Quiescent Current | 750 µA/channel (max) - enables multi-channel, always-on monitoring in energy-constrained IoT nodes with <1 mA total analog front-end budget. |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive, industrial motor control, and outdoor environmental sensor applications. |
Pinout & Package
OPA364IDBVTG4 is housed in a 5-pin SOT-23 (DBV) package measuring 2.60 mm × 1.60 mm, optimized for space-constrained PCB layouts in portable electronics and wearables.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VOUT | Output | Amplified signal node; capable of sourcing/sinking ±20 mA and swinging within 10 mV of V+ and V– rails. |
| 2 - V– | Negative Supply | Lowest potential rail; tied to ground in single-supply systems; sets lower bound of input common-mode and output swing. |
| 3 - +IN | Noninverting Input | High-impedance (≥1013 Ω) node; accepts signals from high-Z sources like electret microphones or resistive sensors. |
| 4 - –IN | Inverting Input | High-impedance node; used for feedback network connection in inverting amplifiers or transimpedance configurations. |
| 5 - V+ | Positive Supply | Highest potential rail; supplies bias current and sets upper bound of input common-mode and output swing. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Output swings to within 10 mV of V+ and V–; input common-mode includes both rails - eliminates need for dual supplies in sensor interfaces. |
| No phase reversal | Guaranteed stable behavior even when input exceeds supply rails - prevents latch-up or signal corruption during power sequencing or fault conditions. |
| Low input bias current | ±1 pA typical at 25°C - preserves signal integrity in high-impedance microphone bias networks and piezoelectric sensor amplifiers. |
| Low noise | 10 µVPP (0.1–10 Hz), 17 nV/√Hz @ 10 kHz - maintains SNR >90 dB in 20 kHz audio preamplifier stages with 10 kΩ source impedance. |
| Unity-gain stable | No external compensation required - simplifies layout and reduces BOM count in buffer, follower, and gain-of-1 configurations. |
Applications
| Microphone Preamplifier | Data Acquisition Front-End |
|---|---|
|
Use Scenario: Amplifying weak AC-coupled signals from electret condenser microphones in voice-controlled IoT devices. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail op-amp configured as noninverting amplifier with 10–100× gain and DC-blocking capacitor. Use Value: 500 µV max offset ensures minimal DC error in digitized audio; 7 MHz bandwidth preserves speech harmonics up to 4 kHz with margin. |
Use Scenario: Buffering and scaling analog outputs from temperature, pressure, or current-sense ICs before ADC sampling. IC Role / Device Role / Timing Role: Precision unity-gain buffer isolating sensitive sensor outputs from ADC input capacitance and switching transients. Use Value: 90 dB CMRR rejects noise from shared digital grounds; 750 µA quiescent current enables multi-channel simultaneous sampling in battery-operated loggers. |
| Active Low-Pass Filter | Industrial Process Monitor |
|
Use Scenario: Second-order Sallen-Key filter suppressing EMI above 10 kHz in medical ECG or EEG signal chains. IC Role / Device Role / Timing Role: Dual-role device: first stage as amplifier, second as filter integrator; uses internal rail-to-rail swing for full dynamic range. Use Value: 7 MHz GBW supports Q > 1 filter designs with <0.1% passband ripple; low THD+N (<0.002%) avoids harmonic contamination. |
Use Scenario: Signal conditioning for 4–20 mA loop-powered transmitters in factory automation and HVAC control panels. IC Role / Device Role / Timing Role: High-side current sense amplifier or voltage-level translator operating from 3.3 V or 5 V local supply. Use Value: –40°C to +125°C rating ensures reliability in uncooled enclosures; 1.8 V min supply supports brownout resilience during line dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA363IDBVT | Includes dedicated shutdown pin (pin 5); higher max offset (900 µV); same GBW, slew rate, and package. | Required where system-level power gating or ultra-low standby current (<1 µA) is mandatory. | Select OPA363IDBVT only if hardware-controlled enable/disable functionality is needed; OPA364IDBVTG4 is preferred for simpler, always-on designs. |
| MCP6001T-E/OT | Lower bandwidth (1 MHz), higher offset (1.5 mV max), 100% tested for 1.8 V operation but no 125°C rating. | Suitable for cost-sensitive consumer applications with relaxed accuracy and temperature requirements. | Choose MCP6001T-E/OT for commercial-grade, sub-$0.20 designs; OPA364IDBVTG4 remains optimal for industrial-temp, high-linearity needs. |
Compared with OPA363IDBVT, OPA364IDBVTG4 removes shutdown complexity for lower latency and reduced routing overhead; versus MCP6001T-E/OT, it delivers 7× higher bandwidth and 3× better offset performance across extended temperature, justifying use in precision industrial signal chains.
Availability
OPA364IDBVTG4 is available at Aetrix Electronics and suitable for microphone preamplifiers, portable data acquisition systems, and industrial process monitors requiring stable component supply across automotive, industrial, and medical design cycles.
Supply support for OPA364IDBVTG4 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 signal chain solutions.
The OPA364IDBVTG4 belongs to TI's OPAx364 family of rail-to-rail CMOS op-amps, engineered specifically for high-accuracy, low-voltage signal conditioning in battery-powered and thermally demanding environments.
FAQ
What is the maximum supply voltage for OPA364IDBVTG4?
The absolute maximum supply voltage for OPA364IDBVTG4 is 5.5 V across V+ and V– terminals. Operation beyond this risks permanent damage. The recommended operating range is 1.8 V to 5.5 V, with full specifications guaranteed over this span - making OPA364IDBVTG4 compatible with standard 3.3 V and 5 V logic rails as well as single-cell Li-ion (4.2 V) and two-cell alkaline (3.0 V) systems.
Does OPA364IDBVTG4 have a shutdown pin?
No, OPA364IDBVTG4 does not include a shutdown pin. It is a 5-pin device with fixed operation: pins 1 (VOUT), 2 (V–), 3 (+IN), 4 (–IN), and 5 (V+). The pin-compatible OPA363IDBVT adds shutdown functionality on pin 5, but OPA364IDBVTG4 is designed for always-on, low-latency applications where power gating is handled externally or unnecessary.
What is the input common-mode voltage range of OPA364IDBVTG4?
The input common-mode voltage range of OPA364IDBVTG4 extends from (V–) – 0.1 V to (V+) + 0.1 V. This rail-to-rail input capability allows direct interfacing with sensors whose output spans near ground or near the positive rail - such as bridge circuits, current-sense amplifiers, or electret microphone bias networks - without level-shifting circuitry. The specification holds across the full –40°C to +125°C temperature range.
Can OPA364IDBVTG4 drive capacitive loads?
OPA364IDBVTG4 is specified for stable operation with up to 100 pF capacitive load in unity-gain configuration. Driving larger capacitive loads (e.g., long cables or ADC input capacitance >100 pF) may cause peaking or oscillation; in such cases, an isolation resistor (10–100 Ω) between amplifier output and load is recommended. The device's 5 V/µs slew rate and 7 MHz GBW support robust settling into moderate capacitive loads typical of SAR ADCs.
Is OPA364IDBVTG4 unity-gain stable?
Yes, OPA364IDBVTG4 is unity-gain stable and requires no external compensation. Its internal compensation ensures stability in gain-of-1 configurations - including voltage followers and noninverting buffers - across all supply voltages (1.8 V to 5.5 V) and temperatures (–40°C to +125°C). This simplifies design, reduces component count, and improves board-level reliability compared to decompensated or minimum-stable-gain op-amps.
OPA364IDBVTG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 7 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 1.1mA
- Current - Output / Channel:
- 85 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
OPA364IDBVTG4 FAQ
1.How can I place an order for OPA364IDBVTG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA364IDBVTG4 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 OPA364IDBVTG4 reliable?
The price and inventory of OPA364IDBVTG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA364IDBVTG4 is usually 5 days.
3.What payment methods are accepted for OPA364IDBVTG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA364IDBVTG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA364IDBVTG4?
OPA364IDBVTG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA364IDBVTG4 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 OPA364IDBVTG4?
For technical support, including OPA364IDBVTG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA364IDBVTG4 requirements.
6.How does Aetrix verify that OPA364IDBVTG4 is sourced from the original manufacturer or authorized distributors?
All OPA364IDBVTG4 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 OPA364IDBVTG4 meets industry standards.
7.What is the process for return or replacement of OPA364IDBVTG4?
All OPA364IDBVTG4 units undergo pre-shipment inspection (PSI). If there is an issue with OPA364IDBVTG4, 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 OPA364IDBVTG4 part is unused and in its original packaging.
Return procedure for OPA364IDBVTG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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