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Texas Instruments OPA2364AID
- Part No.:
- OPA2364AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2364AID.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,303
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Product details
Overview
OPA2364AID from Texas Instruments is a dual, rail-to-rail input/output CMOS operational amplifier optimized for 1.8-V to 5.5-V single-supply operation. It delivers 7 MHz gain-bandwidth, 5 V/µs slew rate, 90 dB typical CMRR, ±10 pA input bias current, and 500 µV maximum input offset voltage - enabling precision signal conditioning in battery-powered sensor interfaces and portable audio preamplifiers.
For engineers reviewing the OPA2364AID datasheet, OPA2364AID pinout, OPA2364AID application, or OPA2364AID equivalent, this page provides verified package mapping (SOIC-8), confirmed dual-channel rail-to-rail I/O behavior, thermal performance data (RθJA = 125.3°C/W), and real-world microphone preamp and data acquisition use cases - all extracted from TI's SBOS259F production datasheet.
Technical Context
The OPA2364AID uses a complementary CMOS input stage that eliminates crossover distortion and maintains high CMRR across the full input common-mode range (–0.1 V to VS + 0.1 V). Its unity-gain stable architecture supports low-noise, high-fidelity amplification without phase reversal - critical for driving SAR ADCs with minimal THD+N degradation.
No shutdown functionality is integrated; the device operates continuously with 750 µA/channel quiescent current at 5.5 V supply. Input voltage noise is 17 nV/√Hz at 10 kHz, and output swing reaches within 10 mV of both rails under 10-kΩ load at 25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V single supply - enables direct interface with Li-ion batteries and 3.3-V/5-V logic without level-shifting. |
| Gain-Bandwidth Product | 7 MHz - supports stable closed-loop gain ≥10 up to ~700 kHz, suitable for anti-aliasing and active filter stages. |
| Input Offset Voltage | ≤500 µV (max) - ensures ≤0.01% gain error in 100-mV full-scale sensor signal amplification. |
| CMRR | 90 dB (typical) - rejects >30 kΩ of common-mode interference in noisy industrial sensor nodes. |
| Slew Rate | 5 V/µs - preserves fidelity of 1-MHz, 1-VPP signals without slewing-induced distortion. |
| Quiescent Current | 750 µA per channel (max) - allows dual-channel operation on <1.5 mA total, extending battery life in portable devices. |
| Input Bias Current | ±10 pA (max) - minimizes voltage error across high-impedance sources like piezoelectric sensors or pH electrodes. |
Pinout & Package
OPA2364AID is housed in an 8-pin SOIC (D) package measuring 4.90 mm × 3.91 mm, rated for –40°C to +125°C operation. Thermal resistance is RθJA = 125.3°C/W.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads down to 10 kΩ while maintaining rail-to-rail swing (within 10 mV of V+ or V–). |
| 2 | –IN A | Inverting input for Channel A - accepts signals from 0.1 V below V– to 0.1 V above V+, enabling true single-supply DC coupling. |
| 3 | +IN A | Noninverting input for Channel A - high-impedance node (≥1013 Ω) compatible with high-Z transducers. |
| 4 | V– | Negative supply terminal - referenced to ground in single-supply configurations; must be decoupled with ≥0.1 µF ceramic capacitor. |
| 5 | +IN B | Noninverting input for Channel B - electrically isolated from Channel A; supports independent differential sensing paths. |
| 6 | –IN B | Inverting input for Channel B - shares same rail-to-rail common-mode range as Channel A. |
| 7 | OUT B | Amplifier B output - fully independent output stage; no crosstalk (130 dB channel separation at DC). |
| 8 | V+ | Positive supply terminal - accepts 1.8–5.5 V; internal ESD protection clamps inputs to V+ ±0.5 V. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Operates with VCM from (V–) – 0.1 V to (V+) + 0.1 V and VOUT within 10 mV of either rail - eliminates need for level-shifting in 3.3-V microcontroller systems. |
| No phase reversal | Complementary CMOS input stage prevents output inversion during overdrive - avoids latch-up and data corruption when input exceeds supply rails. |
| Low input bias current | ±10 pA max at 25°C - reduces voltage error to <1 µV across 100-MΩ source impedances used in medical electrode amplifiers. |
| High CMRR without crossover | 90 dB typical across 0.1 Hz–10 kHz - maintains accuracy in presence of power-supply ripple and EMI-coupled noise on shared PCB traces. |
| Unity-gain stable | Guaranteed stability with gain ≥1 and capacitive loads ≤100 pF - simplifies layout by eliminating external compensation components. |
Applications
| Portable Microphone Preamplifier | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Amplifying low-level electret microphone outputs (5–10 mVPP) in handheld voice recorders or smart speakers powered by 3.3-V LDOs. IC Role / Device Role / Timing Role: Dual-channel op-amp configured as AC-coupled noninverting gain stage (G = 100) with rail-to-rail output driving ADC input. Use Value: 17 nV/√Hz input noise and 500 µV offset ensure ≥60 dB SNR for 1-kHz tones; 7-MHz bandwidth preserves voice harmonics up to 4 kHz. | Use Scenario: Conditioning thermistor or RTD bridge outputs in programmable logic controller (PLC) analog input modules operating from 24-V DC supplies with local 3.3-V regulation. IC Role / Device Role / Timing Role: Dual amplifier implementing precision instrumentation front-end: one channel for bridge excitation buffering, second for differential gain/level-shift. Use Value: 90-dB CMRR rejects common-mode noise from motor drives; ±10-pA bias current prevents drift in high-resistance bridge arms. |
| Data Acquisition System Front-End | Active Filter for Audio Line Drivers |
Use Scenario: Driving 12-bit/16-bit SAR ADCs in portable test equipment where low power and DC accuracy are critical. IC Role / Device Role / Timing Role: Buffer and level-shift sensor output to match ADC reference (e.g., 0–3.3 V), with rail-to-rail swing ensuring full code utilization. Use Value: Output swing within 10 mV of rails guarantees >99.7% dynamic range usage; 5-V/µs slew rate settles 4-V steps in <1 µs (0.1%). | Use Scenario: Implementing 2nd-order Sallen-Key low-pass filter (fc = 20 kHz) in USB-C audio dongles with 5-V supply. IC Role / Device Role / Timing Role: Dual op-amp used as unity-gain buffer (Channel A) and filter integrator (Channel B) in single-chip solution. Use Value: Unity-gain stability eliminates external compensation; 7-MHz GBW ensures <0.1-dB passband flatness to 20 kHz with margin for component tolerance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2364AIDR | Tape-and-reel packaging (2500-unit reel); identical electrical specs and SOIC-8 footprint. | No functional difference - selected for automated SMT assembly vs. tube-based prototyping. | Choose OPA2364AIDR for volume production; OPA2364AID for evaluation and low-volume builds. |
| MCP6022-I/SN | Lower GBW (10 MHz), higher quiescent current (1 mA/channel), 2.7–5.5 V supply range only. | Not suitable for 1.8-V operation or ultra-low-power designs; better for higher-speed, higher-supply applications. | Select MCP6022-I/SN only if 10-MHz bandwidth is required and 1.8-V operation is unnecessary. |
Compared with OPA2364AID, OPA2364AIDR offers identical performance in tape-and-reel format for pick-and-place lines, while MCP6022-I/SN trades 1.8-V capability and lower IQ for higher speed - making OPA2364AID optimal for battery-powered, wide-supply-range precision signal chains.
Availability
OPA2364AID is available at Aetrix Electronics and suitable for portable audio preamplifiers, industrial sensor interfaces, and data acquisition front-ends requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for OPA2364AID 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 OPA2364AID belongs to TI's OPAx364 family of rail-to-rail I/O op-amps designed specifically for high-accuracy, low-voltage signal conditioning in battery-powered and space-constrained systems.
FAQ
What is the maximum supply voltage for OPA2364AID?
The OPA2364AID supports a maximum supply voltage of 5.5 V across V+ and V– terminals. Absolute maximum ratings specify (V+) – (V–) ≤ 5.5 V, with safe operation up to this limit under recommended conditions. Exceeding 5.5 V risks permanent damage, as confirmed in Section 7.1 of the SBOS259F datasheet. Always include ≥0.1 µF local decoupling at the V+ pin of OPA2364AID.
Does OPA2364AID include a shutdown pin?
No, OPA2364AID does not include a shutdown pin. Shutdown functionality is exclusive to the OPA2363 variant (which adds Enable A/B pins) and the single-channel OPA363. The OPA2364AID operates continuously with 750 µA/channel quiescent current - verified in Section 7.9 Electrical Characteristics and Pin Functions tables of the official TI datasheet for OPA2364AID.
What is the input common-mode voltage range of OPA2364AID?
The input common-mode voltage range of OPA2364AID extends from (V–) – 0.1 V to (V+) + 0.1 V, enabling true rail-to-rail input operation. This specification is confirmed in Table 7.9 (Electrical Characteristics) of the SBOS259F datasheet and supports DC-coupled sensor interfaces without external level-shifting circuitry - a key design advantage of OPA2364AID in single-supply systems.
Can OPA2364AID drive capacitive loads?
Yes, OPA2364AID is specified to drive capacitive loads up to 100 pF while maintaining stability and unity-gain performance. The datasheet confirms unity-gain stability and provides small-signal step response data (Figure 19) for CL = 100 pF. For loads >100 pF, external isolation resistance (e.g., 10–50 Ω in series with the output) is recommended to prevent peaking - a requirement explicitly noted in OPA2364AID application guidance.
What is the typical THD+N performance of OPA2364AID at 1 kHz?
The typical THD+N of OPA2364AID is 0.002% at 1 kHz, measured with VS = 5 V, G = 1, RL = 10 kΩ, and f = 20 Hz to 20 kHz bandwidth - as stated in Section 7.9 Electrical Characteristics. This low distortion level is enabled by the complementary CMOS input stage and rail-to-rail output swing, making OPA2364AID suitable for high-fidelity audio signal paths where harmonic integrity is critical.
OPA2364AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 7 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 1.1mA (x2 Channels)
- 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:
- 8-SOIC
OPA2364AID FAQ
1.How can I place an order for OPA2364AID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2364AID 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 OPA2364AID reliable?
The price and inventory of OPA2364AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2364AID is usually 5 days.
3.What payment methods are accepted for OPA2364AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2364AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2364AID?
OPA2364AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2364AID 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 OPA2364AID?
For technical support, including OPA2364AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2364AID requirements.
6.How does Aetrix verify that OPA2364AID is sourced from the original manufacturer or authorized distributors?
All OPA2364AID 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 OPA2364AID meets industry standards.
7.What is the process for return or replacement of OPA2364AID?
All OPA2364AID units undergo pre-shipment inspection (PSI). If there is an issue with OPA2364AID, 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 OPA2364AID part is unused and in its original packaging.
Return procedure for OPA2364AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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