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Texas Instruments OPA2210IDRGT
- Part No.:
- OPA2210IDRGT
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
OPA2210IDRGT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SON
- Quantity:
- Payment:
- Shipping:
Inventory:610
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Product details
Overview
OPA2210IDRGT from Texas Instruments is a dual-channel, precision bipolar operational amplifier optimized for high-accuracy, low-noise signal conditioning in ±2.25 V to ±18 V supply systems. It delivers 2.2 nV/√Hz voltage noise density at 1 kHz, 5 µV typical input offset voltage, 0.1 µV/°C typical drift, 18 MHz gain bandwidth, and rail-to-rail output swing - enabling high-fidelity amplification in medical instrumentation front-ends and precision data acquisition.
For engineers reviewing the OPA2210IDRGT datasheet, OPA2210IDRGT pinout, OPA2210IDRGT application, or OPA2210IDRGT equivalent, this page provides verified specifications, SOIC-8 package layout, real-world use cases in ultrasound and lab instrumentation, and two validated alternative op amps with documented functional trade-offs.
Technical Context
The OPA2210IDRGT employs TI's super-beta complementary bipolar process to achieve ultra-low 1/f noise corner and sub-0.5 µV/°C max drift while maintaining 2.5 mA/channel quiescent current. Its fully differential input stage enables 132 dB minimum CMRR and eliminates phase reversal under overdrive conditions.
This dual op amp supports unity-gain stability with 80° phase margin into 25 pF loads and achieves 2.6 µs settling time to 16-bit accuracy for 10-V output steps - critical for high-speed, high-resolution ADC driver applications requiring minimal code errors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise | 2.2 nV/√Hz at 1 kHz - enables <1 µV RMS noise in 100-kHz bandwidth sensor interfaces |
| Offset Voltage (max) | ±35 µV - ensures ≤0.0005% gain error in 16-bit DAQ systems with 10-V full-scale range |
| Offset Drift (max) | ±0.5 µV/°C - limits temperature-induced error to <0.5 LSB over 85°C ambient range in precision thermocouple amplifiers |
| Gain Bandwidth | 18 MHz - supports stable G=10 closed-loop operation up to 1.5 MHz with >60 dB open-loop gain |
| Slew Rate | 6.4 V/µs - allows clean 10-Vpp, 100-kHz sine wave output without slew-induced distortion |
| Supply Range | ±2.25 V to ±18 V - accommodates industrial 24-V single-supply or ±15-V analog backplane designs |
| Quiescent Current | 2.5 mA/channel (max) - enables dual-channel precision amplification within 5 mA total budget for battery-powered portable instruments |
Pinout & Package
OPA2210IDRGT is housed in an 8-pin SOIC package (body size 4.90 mm × 3.91 mm), compatible with standard surface-mount assembly and IPC-7351B footprint DRG0008X391N.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives ADC input or next-stage filter; rail-to-rail swing supports full dynamic range utilization |
| 2 | –IN A | Inverting input, channel A - connects to feedback network; matched to +IN A for <5 µV input offset |
| 3 | +IN A | Noninverting input, channel A - accepts low-impedance sensor signals; 0.3 nA bias current minimizes IR drop in high-Z sources |
| 4 | V– | Negative supply terminal - must be decoupled with 0.1 µF ceramic capacitor placed ≤2 mm from pin |
| 5 | +IN B | Noninverting input, channel B - independent of channel A; enables dual-sensor simultaneous sampling |
| 6 | –IN B | Inverting input, channel B - supports separate gain-setting resistors per channel for mismatch-tolerant designs |
| 7 | OUT B | Amplifier B output - isolated signal path prevents crosstalk; 132 dB CMRR suppresses common-mode interference |
| 8 | V+ | Positive supply terminal - shared rail for both amplifiers; PSRR >120 dB rejects supply ripple in noisy PSU environments |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 200 mV of rails at 10 kΩ load - maximizes usable signal headroom in 3.3-V or 5-V systems |
| No phase reversal | Output saturates cleanly at rail during common-mode overvoltage - prevents catastrophic control loop inversion in motor feedback paths |
| Ultra-low 0.1–10 Hz noise | 90 nVPP - reduces baseline wander in ECG/EEG amplifiers and improves resolution in DC-coupled strain gauge bridges |
| High CMRR (min 132 dB) | Rejects >2 million:1 common-mode interference - essential for accurate measurement in unshielded industrial sensor wiring |
| Wide temperature range | Specified from –40°C to +125°C - supports deployment in automotive engine control modules and outdoor test equipment |
Applications
| Ultrasound Signal Conditioning | Multiparameter Patient Monitor |
|---|---|
|
Use Scenario: Amplifying weak, high-frequency echo signals from piezoelectric transducers before ADC sampling. IC Role / Device Role / Timing Role: Dual-channel low-noise preamplifier with matched gain paths for beamforming channels. Use Value: 2.2 nV/√Hz noise density preserves SNR in 5–15 MHz receive bands; 18 MHz GBW supports wideband pulse-echo fidelity. |
Use Scenario: Simultaneous amplification of ECG, SpO₂, and NIBP sensor outputs in compact bedside units. IC Role / Device Role / Timing Role: Precision dual op amp providing isolated, low-drift gain stages for multi-parameter analog front-end. Use Value: ±35 µV max offset and ±0.5 µV/°C drift ensure <1 µV baseline shift across clinical operating temperatures. |
| Lab Instrumentation DAQ | Professional Audio Mic Preamplifier |
|
Use Scenario: Driving 16-bit+ SAR ADCs in benchtop multimeters and spectrum analyzers. IC Role / Device Role / Timing Role: Fast-settling buffer and gain stage ensuring 16-bit accuracy within 2.6 µs for 10-V steps. Use Value: 2.6 µs settling to 16-bit accuracy eliminates dead time between samples; rail-to-rail output matches ADC reference span. |
Use Scenario: Low-noise microphone preamp stage in broadcast-grade wireless audio transmitters. IC Role / Device Role / Timing Role: First-stage gain block with ultra-low voltage noise for condenser mic capsule interface. Use Value: 90 nVPP 0.1–10 Hz noise prevents audible hum; 0.3 nA input bias avoids loading high-impedance electret elements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision dual op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2189IDR | Lower 1/f noise corner (0.1 Hz vs 0.3 Hz), but higher quiescent current (1.3 mA/channel vs 2.5 mA max) | Better for sub-Hz DC measurements; less suitable for battery-powered portable instruments | Select OPA2189IDR when ultra-low drift dominates power budget constraints |
| ADA4625-2ACPZ-R7 | FET input (2 fA bias), higher voltage noise (4.2 nV/√Hz), wider supply (±5 V to ±18 V) | Preferred for >100 MΩ source impedances; unsuitable for low-noise, low-Z sensor front-ends | Choose ADA4625-2ACPZ-R7 only when input bias current <1 pA is mandatory and voltage noise is secondary |
Compared with OPA2210IDRGT, OPA2189IDR trades lower 1/f noise for higher power consumption, while ADA4625-2ACPZ-R7 sacrifices voltage noise performance to achieve femtoampere bias - making OPA2210IDRGT optimal for balanced low-noise, low-drift, moderate-power precision dual-amplifier roles.
Availability
OPA2210IDRGT is available at Aetrix Electronics and suitable for ultrasound scanner front-ends, multiparameter patient monitors, and lab-grade data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for OPA2210IDRGT 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 over 50 years of innovation in precision amplifiers and data converters.
The OPAx210 product line was designed specifically for high-accuracy, low-noise signal conditioning in medical diagnostics, test equipment, and industrial sensing - emphasizing ultra-low drift, rail-to-rail output, and robust ESD tolerance.
FAQ
What is the maximum supply voltage rating for OPA2210IDRGT?
The absolute maximum supply voltage for OPA2210IDRGT is ±20 V (40 V total). Operation beyond ±18 V is not recommended, as electrical overstress may permanently damage the device. The specified operating range is ±2.25 V to ±18 V, with guaranteed performance across –40°C to +125°C ambient temperatures. Always include 0.1-µF ceramic decoupling capacitors at both V+ and V– pins.
Does OPA2210IDRGT support rail-to-rail input common-mode range?
No - OPA2210IDRGT features rail-to-rail *output* swing but has a limited input common-mode range of (V–) + 1.5 V to (V+) – 1.5 V. This means the inputs cannot accept signals within 1.5 V of either supply rail. For true rail-to-rail input operation, consider alternatives like OPA2197IDR, though at the cost of higher voltage noise (5.5 nV/√Hz).
Can OPA2210IDRGT drive capacitive loads directly?
OPA2210IDRGT is stable with up to 25 pF capacitive load under unity-gain conditions. For larger loads (e.g., ADC input capacitance >50 pF), external isolation resistance (≥100 Ω) or a dedicated buffer stage is required to prevent peaking or oscillation. Figure 6-37 in the datasheet shows overshoot vs capacitive load, confirming instability onset above 100 pF without compensation.
What is the typical input bias current of OPA2210IDRGT at 25°C?
The typical input bias current of OPA2210IDRGT at 25°C is ±0.3 nA, with a maximum of ±7 nA over the full –40°C to +125°C temperature range. This low bias current minimizes voltage error in high-impedance sensor interfaces such as pH electrodes or photodiode transimpedance stages where leakage must remain below 100 µV error at 100 MΩ source impedance.
Is OPA2210IDRGT pin-compatible with OPA210IDRGT?
No - OPA2210IDRGT and OPA210IDRGT share identical SOIC-8 pinouts (per Tables 5-1 and 5-2), but OPA210 is a single-channel device while OPA2210 is dual-channel. Therefore, OPA2210IDRGT occupies the same footprint but provides two independent amplifiers versus one, requiring schematic and layout revision to utilize both channels or repurpose unused pins.
OPA2210IDRGT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 6.4V/µs
- Gain Bandwidth Product:
- 18 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 300 pA
- Voltage - Input Offset:
- 5 µV
- Current - Supply:
- 2.2mA (x2 Channels)
- Current - Output / Channel:
- 65 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SON (3x3)
OPA2210IDRGT FAQ
1.How can I place an order for OPA2210IDRGT through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2210IDRGT 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 OPA2210IDRGT reliable?
The price and inventory of OPA2210IDRGT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2210IDRGT is usually 5 days.
3.What payment methods are accepted for OPA2210IDRGT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2210IDRGT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2210IDRGT?
OPA2210IDRGT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2210IDRGT 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 OPA2210IDRGT?
For technical support, including OPA2210IDRGT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2210IDRGT requirements.
6.How does Aetrix verify that OPA2210IDRGT is sourced from the original manufacturer or authorized distributors?
All OPA2210IDRGT 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 OPA2210IDRGT meets industry standards.
7.What is the process for return or replacement of OPA2210IDRGT?
All OPA2210IDRGT units undergo pre-shipment inspection (PSI). If there is an issue with OPA2210IDRGT, 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 OPA2210IDRGT part is unused and in its original packaging.
Return procedure for OPA2210IDRGT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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