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Texas Instruments OPA2353EA/250G4
- Part No.:
- OPA2353EA/250G4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
OPA2353EA/250G4.pdf
- Description:
- IC CMOS 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,744
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Product details
Overview
OPA2353EA/250G4 from Texas Instruments (formerly Burr-Brown) is a dual, rail-to-rail input/output CMOS operational amplifier optimized for low-voltage, single-supply operation (2.7V–5.5V). It delivers 44MHz gain-bandwidth, 22V/µs slew rate, 5nV/√Hz input voltage noise, and output swing within 10mV of rails under 10kΩ load - making it ideal for driving sampling ADCs in portable instrumentation.
For engineers reviewing the OPA2353EA/250G4 datasheet, OPA2353EA/250G4 pinout, OPA2353EA/250G4 application, or OPA2353EA/250G4 equivalent, key selection criteria include rail-to-rail dynamic range at 2.7V supply, 0.0006% THD+N at 1kHz, 75Ω video drive capability, channel separation >120dB at 1kHz, and MSOP-8 thermal resistance of 150°C/W.
Technical Context
The OPA2353EA/250G4 employs a complementary CMOS input stage enabling rail-to-rail input common-mode range (–0.1V to V+ + 0.1V), with a 400mV transition region where both N- and P-channel pairs are active. Its class AB output stage achieves rail-to-rail output swing while maintaining ≥100dB open-loop gain up to 10mV from rails.
Designed for unity-gain stability, it features low 9pF total input capacitance and supports capacitive loads up to 100pF without external compensation in G = 1 configuration. Dual-channel independence ensures <0.15µV/V channel separation and minimal crosstalk in multi-amplifier signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 44MHz - enables stable closed-loop operation up to 10MHz at G = 4.4 without phase margin degradation. |
| Slew Rate | 22V/µs - supports 0.22µs settling to 0.1% for 2V step, critical for fast ADC driver transient response. |
| Input Voltage Noise Density | 5nV/√Hz at 100kHz - preserves SNR in wideband sensor interfaces and audio preamps. |
| THD+N | 0.0006% at 1kHz, RL = 600Ω - meets high-fidelity audio and precision data acquisition linearity requirements. |
| Output Swing vs Rail | 10mV at RL = 10kΩ - maximizes usable dynamic range in 3V systems, e.g., battery-powered medical sensors. |
| Quiescent Current per Amp | 5.2mA typical at VS = 5V - balances speed and power for dual-channel portable applications. |
| Common-Mode Rejection Ratio | 86dB (typ) at DC–1kHz - rejects supply noise and ground bounce in mixed-signal PCB layouts. |
Pinout & Package
OPA2353EA/250G4 is packaged in an 8-pin MSOP (VSSOP-8, package drawing DGK), measuring 3.0mm × 3.0mm × 1.0mm with 0.65mm pitch. Thermal resistance θJA = 150°C/W enables reliable operation at 85°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No Connect | Internally unconnected; must be left floating or tied to ground per layout best practice. |
| 2 (V+) | Positive Supply | Accepts 2.7V–5.5V single supply; bypass with 0.01µF ceramic capacitor close to pin. |
| 3 (Out B) | Amplifier B Output | Class AB rail-to-rail output capable of ±40mA drive into 1kΩ load. |
| 4 (–In B) | Inverting Input B | Differential pair node with 0.5pA bias current; protected by internal ESD diodes. |
| 5 (+In B) | Non-Inverting Input B | Complementary input stage node; common-mode range extends 100mV beyond V+ and V–. |
| 6 (Out A) | Amplifier A Output | Independent output with identical specs to Out B; no crosstalk coupling above 120dB. |
| 7 (–In A) | Inverting Input A | Electrically isolated from Channel B; supports separate feedback networks without interaction. |
| 8 (V–) | Negative Supply / Ground | Reference for single-supply operation; connects to system ground or negative rail. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full-scale signal utilization in 2.7V systems - e.g., 0–2.7V input maps to 0–2.7V output with <10mV headroom. |
| 44MHz bandwidth at unity gain | Supports clean amplification of signals up to 10MHz with ≤3dB roll-off, suitable for antialiasing filters before 20MSPS ADCs. |
| 0.0006% THD+N @ 1kHz | Meets Class A audio and high-resolution sensor signal chain distortion budgets without post-processing correction. |
| 75Ω video line drive capability | Delivers NTSC/PAL composite video with <0.17% differential gain/phase error - eliminates need for external buffer ICs. |
| MSOP-8 package with 150°C/W θJA | Permits dual op-amp integration in space-constrained designs (e.g., handheld test equipment) without thermal derating below 85°C. |
Applications
| ADC Driver Circuit | Portable Audio Preamp |
|---|---|
Use Scenario: Driving the input of a 12-bit, 500kSPS SAR ADC (e.g., ADS7861) in a battery-powered data logger. IC Role / Device Role / Timing Role: Buffering high-impedance sensor signals while absorbing charge injection kickback from ADC sampling capacitor. Use Value: 44MHz GBW and 22V/µs slew rate ensure <0.1% settling in <0.22µs, preventing conversion errors from incomplete settling. |
Use Scenario: Low-noise microphone preamplifier stage in a Bluetooth headset with 3.3V supply. IC Role / Device Role / Timing Role: First-stage gain block with selectable gain (G = 10–100) before codec ADC. Use Value: 5nV/√Hz input noise and 0.0006% THD+N preserve voice clarity and SNR >95dB over 20Hz–20kHz band. |
| Cell Phone PA Control Loop | Single-Supply Video Line Driver |
Use Scenario: Closed-loop control of RF power amplifier output in GSM/EDGE handset front-end. IC Role / Device Role / Timing Role: Error amplifier comparing detected RF envelope to reference voltage; drives PA bias FET gate. Use Value: Rail-to-rail I/O allows full 0–3.3V control range from single Li-ion cell; 22V/µs slew ensures fast loop response to burst-mode TX events. |
Use Scenario: Composite video output buffer in a portable media player feeding 75Ω coaxial cable to TV. IC Role / Device Role / Timing Role: G = 2 non-inverting driver with AC-coupled input and DC bias shift to handle sync-tip excursions below ground. Use Value: 75Ω drive capability and <0.17% differential gain/phase error maintain broadcast-grade video fidelity without external termination. |
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 |
|---|---|---|---|
| OPA2350EA/250G4 | Lower 3.8MHz GBW, 1.5V/µs slew rate, but lower 1.1nV/√Hz noise and 0.00008% THD+N at 1kHz. | Better suited for ultra-low-noise DC-coupled sensor conditioning where bandwidth <5MHz suffices. | Select OPA2350EA/250G4 when noise and distortion dominate over speed; avoid for ADC drivers >100kSPS. |
| MCP6V82-E/SN | Zero-drift architecture; 0.25µV max offset, 0.01µV/°C drift, but only 10MHz GBW and 4.5V/µs slew. | Ideal for precision weight scales or medical ECG front-ends requiring µV-level DC accuracy over temperature. | Choose MCP6V82-E/SN for DC-stable, low-offset applications; not viable for video or fast ADC buffering. |
Compared with OPA2353EA/250G4, OPA2350EA/250G4 trades bandwidth for lower noise and distortion, while MCP6V82-E/SN sacrifices speed for near-zero offset drift - making each optimal for distinct design priorities: speed-first, fidelity-first, or precision-first.
Availability
OPA2353EA/250G4 is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered audio interfaces, and compact video subsystems requiring stable component supply across industrial temperature ranges (–40°C to +85°C).
Supply support for OPA2353EA/250G4 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 acquired Burr-Brown in 2000 and maintains its precision analog portfolio, emphasizing high-performance, low-power signal conditioning ICs for industrial, automotive, and communications markets.
The OPA2353EA/250G4 belongs to TI's MicroAmplifier™ series, designed specifically for miniature, single-supply applications demanding rail-to-rail operation, wide bandwidth, and low noise - such as portable test gear and handheld medical devices.
FAQ
What is the minimum operating supply voltage for the OPA2353EA/250G4?
The OPA2353EA/250G4 operates down to 2.5V, though full specifications are guaranteed from 2.7V to 5.5V. At 2.5V, parameters like GBW (44MHz) and slew rate (22V/µs) remain functional but may exhibit minor degradation versus 5V operation - confirmed in TI's typical performance curves across voltage range.
Does the OPA2353EA/250G4 require external compensation for unity-gain stability?
No - the OPA2353EA/250G4 is internally compensated for unity-gain stability. It remains stable driving 100pF capacitive loads in G = 1 configuration without added feedback capacitors, as verified in the "Small-Signal Overshoot vs Load Capacitance" curve on page 7 of the datasheet.
Can the OPA2353EA/250G4 drive a 75Ω video load directly?
Yes - the OPA2353EA/250G4 delivers <0.17% differential gain and phase error into 75Ω loads at NTSC video levels, as measured in Figure 5 of the datasheet. Its class AB output stage supplies ±40mA, enabling direct drive without external buffers in G = 2 composite video line driver circuits.
What is the meaning of "E53" marking on the OPA2353EA/250G4 package?
"E53" is the device-specific marking code laser-etched on the top of the MSOP-8 package for OPA2353EA/250G4, as documented in TI's Package Option Addendum. It identifies the part as the dual, MSOP-packaged variant of the OPA353 family and distinguishes it from SO-8 (OPA2353UA) and SOT-23 (OPA353NA) versions.
How does the rail-to-rail input stage of the OPA2353EA/250G4 handle signals exceeding the supply rails?
The OPA2353EA/250G4 input stage includes ESD protection diodes that clamp signals to V+ and V–. Inputs exceeding rails by >300mV must be current-limited to ≤10mA using series resistors (e.g., 5kΩ shown in Figure 3), otherwise excessive current can damage inputs or degrade bias current specs.
OPA2353EA/250G4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- MicroAmplifier™
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 22V/µs
- Gain Bandwidth Product:
- 44 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.5 pA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 5.2mA (x2 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
OPA2353EA/250G4 FAQ
1.How can I place an order for OPA2353EA/250G4 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2353EA/250G4 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 OPA2353EA/250G4 reliable?
The price and inventory of OPA2353EA/250G4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2353EA/250G4 is usually 5 days.
3.What payment methods are accepted for OPA2353EA/250G4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2353EA/250G4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2353EA/250G4?
OPA2353EA/250G4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2353EA/250G4 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 OPA2353EA/250G4?
For technical support, including OPA2353EA/250G4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2353EA/250G4 requirements.
6.How does Aetrix verify that OPA2353EA/250G4 is sourced from the original manufacturer or authorized distributors?
All OPA2353EA/250G4 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 OPA2353EA/250G4 meets industry standards.
7.What is the process for return or replacement of OPA2353EA/250G4?
All OPA2353EA/250G4 units undergo pre-shipment inspection (PSI). If there is an issue with OPA2353EA/250G4, 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 OPA2353EA/250G4 part is unused and in its original packaging.
Return procedure for OPA2353EA/250G4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
OPA2353EA/250G4 Tags
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