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Texas Instruments OPA2202IDR
- Part No.:
- OPA2202IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2202IDR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,422
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Product details
Overview
OPA2202IDR from Texas Instruments is a dual-channel, precision, low-noise, heavy capacitive-load drive operational amplifier built on super-beta bipolar process. It delivers 200 µV max input offset voltage, 1 µV/°C max drift, 9 nV/√Hz input voltage noise, and stable operation with up to 25 nF capacitive loads - enabling high-accuracy signal conditioning in data acquisition front-ends and medical sensor interfaces.
For engineers reviewing the OPA2202IDR datasheet, OPA2202IDR pinout, OPA2202IDR application, or OPA2202IDR equivalent, this page provides verified specifications, VSSOP-8 package layout, real-world use cases in lab instrumentation and patient monitors, and validated alternative options for precision op-amp selection.
Technical Context
The OPA2202IDR uses complementary bipolar super-beta architecture to achieve ultra-low flicker noise and exceptional DC precision while maintaining robustness against EMI, thermal stress, and short-circuit events. Its input stage features 3000 GΩ input impedance and 0.5 pF input capacitance, supporting high-impedance source interfacing without degradation.
It operates over ±2.25 V to ±18 V supply range and remains stable without phase inversion under heavy capacitive loading (up to 25 nF), enabled by internal compensation optimized for unity-gain and inverting configurations. The device is fully specified from –40°C to +105°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±200 µV (max) - ensures ≤0.2 mV error in 10 V full-scale systems without trimming |
| Offset Drift | ±1.5 µV/°C (max) - limits temperature-induced error to <15 µV across 10°C ambient shift |
| Voltage Noise Density | 9 nV/√Hz at 1 kHz - supports sub-µV resolution in 100 Hz–10 kHz bandwidth applications |
| Gain-Bandwidth Product | 1 MHz - enables stable unity-gain buffering of DC–100 kHz signals with minimal phase lag |
| Capacitive Load Drive | 25 nF - allows direct connection to ADC input filters or long cables without external isolation resistors |
| Supply Range | ±2.25 V to ±18 V - compatible with legacy ±15 V rails and modern low-voltage industrial supplies |
| Quiescent Current | 580 µA per amplifier - enables dual-channel precision amplification within 1.2 mA total system budget |
Pinout & Package
VSSOP-8 (DGK) package: 3.00 mm × 3.00 mm body, 0.65 mm pitch, exposed pad optional; thermally enhanced for industrial ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to 25 nF with <0.1% settling in 32 µs |
| 2 | –IN A | Inverting input channel A - high-impedance node (3000 GΩ) sensitive to PCB leakage |
| 3 | +IN A | Noninverting input channel A - referenced to common-mode voltage range (V–)+1.5 V to (V+)-1.5 V |
| 4 | V– | Negative supply rail - must be decoupled locally with ≥100 nF ceramic capacitor |
| 5 | +IN B | Noninverting input channel B - independent of channel A; shares same CMRR and PSRR performance |
| 6 | –IN B | Inverting input channel B - matched bias current (<2 nA max) enables precision differential gain stages |
| 7 | OUT B | Amplifier B output - fully independent; supports dual-sensor signal conditioning in single package |
| 8 | V+ | Positive supply rail - supports rail-to-rail output swing within 750 mV of each rail (RL = 10 kΩ) |
Key Features
| Feature | Design Value |
|---|---|
| Heavy capacitive load drive | Stable with 25 nF load and 5-µs settling time - eliminates need for external Riso compensation in anti-aliasing filter interfaces |
| Ultra-low 0.1–10 Hz noise | 0.2 µVPP - critical for DC-coupled thermocouple and strain gauge amplifiers where low-frequency drift dominates error |
| EMI hardening | Integrated input filtering rejects >60 dB of RF interference at 900 MHz - reduces susceptibility in noisy industrial environments |
| No phase reversal | Guaranteed under overdrive conditions - prevents latch-up or uncontrolled output saturation during input transients |
| High CMRR & PSRR | 126 dB min (DC) - maintains accuracy in unregulated supplies or shared ground systems with >1 MΩ source impedances |
Applications
| Lab Instrumentation | Data Acquisition Systems |
|---|---|
Use Scenario: Precision voltage measurement in benchtop multimeters and calibration standards. IC Role / Device Role / Timing Role: Dual-channel buffer and gain stage for 6½-digit ADC front-end, rejecting supply ripple and common-mode noise. Use Value: 200 µV offset and 1 µV/°C drift ensure <0.005% reading stability over 8-hour calibration sessions without recalibration. |
Use Scenario: Sensor signal conditioning in modular DAQ modules with programmable gain and anti-aliasing filters. IC Role / Device Role / Timing Role: First-stage amplifier driving RC filter networks into SAR ADC inputs. Use Value: 25 nF capacitive load drive allows direct connection to 100 kHz cutoff filters without stability compromises or added components. |
| Multiparameter Patient Monitor | Server PSU Monitoring |
Use Scenario: Biopotential signal amplification (ECG, EEG) with high common-mode rejection in compact wearable form factors. IC Role / Device Role / Timing Role: Instrumentation-grade dual op-amp for lead-off detection and differential biosignal amplification. Use Value: 3000 GΩ input impedance minimizes electrode polarization errors; 0.2 µVPP 0.1–10 Hz noise preserves microvolt-level ST-segment morphology. |
Use Scenario: Isolated voltage and current sensing in 48 V server power supply control loops. IC Role / Device Role / Timing Role: Signal conditioner for shunt-based current monitoring and rail voltage feedback paths. Use Value: ±18 V supply range accommodates wide input dynamic range; 126 dB PSRR suppresses switching noise from adjacent buck converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2189IDR | Lower offset (±2 µV max), higher GBW (12 MHz), but limited to ±22 V supply and no 25 nF load drive spec | Better for high-speed precision DAC buffers; less suitable for legacy ±15 V systems with heavy capacitive loads | Select when ultra-low offset and speed outweigh capacitive drive requirements |
| AD8629ARZ | CMOS input (fA bias), lower IQ (1.2 mA vs 1.16 mA for dual), but only 2.5 MHz GBW and no 25 nF stability guarantee | Preferred for ultra-high-Z pH or ion-selective electrodes; not recommended for fast-settling DAQ channels | Choose for femtoampere input bias needs where load drive is <1 nF |
Compared with OPA2202IDR, OPA2189IDR offers superior DC accuracy and bandwidth but sacrifices proven 25 nF stability and ±18 V compatibility, while AD8629ARZ trades drive capability for ultra-low input current - making OPA2202IDR the optimal balance for industrial DAQ and medical sensor front-ends requiring both precision and robustness.
Availability
OPA2202IDR is available at Aetrix Electronics and suitable for data acquisition, lab instrumentation, and multiparameter patient monitor designs requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for OPA2202IDR 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 industrial signal chains.
The OPAx202 family was designed specifically for high-accuracy, noise-sensitive applications demanding simultaneous DC precision, low-frequency stability, and robust capacitive load drive - targeting medical, test equipment, and energy infrastructure markets.
FAQ
What is the maximum capacitive load the OPA2202IDR can drive while maintaining stability?
The OPA2202IDR is characterized and guaranteed stable with up to 25 nF capacitive load at unity gain, achieving 0.1% settling in 32 µs. This specification is validated per Figure 28 in the SBOS812H datasheet and applies directly to the OPA2202IDR in VSSOP-8 package under ±18 V supply conditions.
Does the OPA2202IDR exhibit phase reversal when the input common-mode voltage exceeds rails?
No - the OPA2202IDR does not exhibit phase reversal under any overdrive condition, including when input voltages exceed the supply rails. This behavior is explicitly confirmed in Figure 29 ("No Phase Reversal") of the SBOS812H datasheet and is a design feature of the super-beta input stage used in the OPA2202IDR.
What is the input bias current specification for the OPA2202IDR over temperature?
The OPA2202IDR has a maximum input bias current of ±2.1 nA over the full –40°C to +105°C operating range, as specified in Section 6.7 of the SBOS812H datasheet. This value applies to both input terminals and is measured at ±18 V supply with common-mode voltage at mid-rail.
Can the OPA2202IDR operate from a single 5-V supply?
Yes - the OPA2202IDR supports single-supply operation down to 4.5 V (Section 6.3), making it compatible with 5-V systems. Input common-mode range extends to within 1.5 V of each rail, and output swing reaches within 750 mV of each rail with 10 kΩ load, enabling effective use in rail-to-rail signal conditioning with the OPA2202IDR.
Is the OPA2202IDR pin-compatible with the OP-07 or OP-27 op-amps?
No - the OPA2202IDR is not pin-compatible with OP-07 or OP-27 due to differing pinouts (VSSOP-8 vs TO-99/8-pin DIP) and internal architecture. However, the SBOS812H datasheet states it "replaces OP-07 and OP-27" functionally in precision applications, offering improved noise, drift, and capacitive drive - not mechanical drop-in replacement - for the OPA2202IDR.
OPA2202IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Push-Pull
- Slew Rate:
- 0.35V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 250 pA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 580µA
- Current - Output / Channel:
- 35 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
OPA2202IDR FAQ
1.How can I place an order for OPA2202IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2202IDR 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 OPA2202IDR reliable?
The price and inventory of OPA2202IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2202IDR is usually 5 days.
3.What payment methods are accepted for OPA2202IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2202IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2202IDR?
OPA2202IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2202IDR 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 OPA2202IDR?
For technical support, including OPA2202IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2202IDR requirements.
6.How does Aetrix verify that OPA2202IDR is sourced from the original manufacturer or authorized distributors?
All OPA2202IDR 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 OPA2202IDR meets industry standards.
7.What is the process for return or replacement of OPA2202IDR?
All OPA2202IDR units undergo pre-shipment inspection (PSI). If there is an issue with OPA2202IDR, 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 OPA2202IDR part is unused and in its original packaging.
Return procedure for OPA2202IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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