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Texas Instruments OPA2202IDGKR
- Part No.:
- OPA2202IDGKR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
OPA2202IDGKR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,754
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Product details
Overview
OPA2202IDGKR 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 offset voltage, 1 µV/°C max drift, 9 nV/√Hz input voltage noise at 1 kHz, ±2.25 V to ±18 V supply range, and stable operation with up to 25 nF capacitive loads - ideal for high-accuracy sensor signal conditioning in lab instrumentation.
For engineers reviewing the OPA2202IDGKR datasheet, OPA2202IDGKR pinout, OPA2202IDGKR application, or OPA2202IDGKR equivalent, key selection criteria include its ultra-low 0.2 µVPP 0.1-Hz–10-Hz noise, 580 µA quiescent current per channel, 1 MHz gain-bandwidth product, rail-to-rail output swing capability (±1.15 V into 2 kΩ), and EMI-hardened design for noisy industrial environments.
Technical Context
The OPA2202IDGKR uses complementary bipolar super-beta technology to achieve ultra-low flicker noise and exceptional DC precision without phase inversion. Its architecture supports stable unity-gain operation with heavy capacitive loads via internal compensation optimized for >25 nF drive capability and <5 µs settling time.
It features ultra-high input impedance (3000 GΩ || 0.5 pF), 126 dB minimum CMRR and PSRR, and robust protection including thermal shutdown, short-circuit current limiting (±35 mA), and ESD hardening (±2500 V HBM). The device operates across –40°C to +105°C with full specifications guaranteed.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | ±200 µV max - enables sub-millivolt accuracy in precision gain stages without trimming |
| Drift | ±1.5 µV/°C max - ensures <1.5 µV error over full industrial temperature range |
| Voltage Noise | 9 nV/√Hz at 1 kHz - critical for low-level signal amplification in DAQ systems |
| 0.1–10 Hz Noise | 0.2 µVPP - minimizes low-frequency drift in DC-coupled sensor interfaces |
| GBW | 1 MHz - supports stable closed-loop operation up to ~100 kHz at G = 10 |
| IQ per Channel | 580 µA typical - enables dual-channel precision performance within 1.16 mA total supply budget |
| CL Drive | Stable with 25 nF - eliminates need for external isolation resistors in ADC driver or filter applications |
Pinout & Package
VSSOP-8 (DGK) package: 3.00 mm × 3.00 mm body, 0.65 mm pitch, exposed pad optional, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives load directly; capable of ±1.15 V swing into 2 kΩ |
| 2 | –IN A | Inverting input A - high-impedance node (3000 GΩ || 0.5 pF); sensitive to layout parasitics |
| 3 | +IN A | Noninverting input A - matched bias current path; used for reference or sensor connection |
| 4 | V– | Negative supply rail - must be decoupled locally; supports down to –2.25 V |
| 5 | +IN B | Noninverting input B - independent channel input; shares no internal nodes with Channel A |
| 6 | –IN B | Inverting input B - fully isolated from Channel A; enables dual independent gain paths |
| 7 | OUT B | Amplifier B output - identical AC/DC specs to OUT A; supports independent load driving |
| 8 | V+ | Positive supply rail - accepts up to +18 V; requires local 0.1 µF ceramic decoupling |
Key Features
| Feature | Design Value |
|---|---|
| Precision super-beta bipolar process | Delivers 200 µV max VOS and 1 µV/°C max drift without laser trimming |
| Heavy capacitive load drive | Stable with 25 nF; eliminates external RISO in ADC buffer or active filter designs |
| Ultra-low 0.1–10 Hz noise | 0.2 µVPP enables high-resolution DC measurements in medical patient monitors |
| EMI-hardened input structure | Rejects RF interference up to 1 GHz - critical for switch-mode PSU monitoring |
| No phase reversal | Prevents latch-up during common-mode overvoltage transients in multiplexer front-ends |
Applications
| Lab Instrumentation Signal Chain | Data Acquisition Front-End |
|---|---|
Use Scenario: Precision voltage measurement in benchtop multimeters and source-measure units requiring sub-µV stability. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end with matched gain and offset tracking. Use Value: 126 dB CMRR and 0.2 µVPP 0.1–10 Hz noise ensure accurate DC readings under varying line/load conditions. | Use Scenario: Sensor signal conditioning for multi-channel industrial DAQ systems with shared reference and anti-aliasing filters. IC Role / Device Role / Timing Role: Dual op-amp providing simultaneous low-noise amplification and buffering before SAR ADC sampling. Use Value: Stable 1 MHz GBW and 30 µs 0.1% settling support 33 kSPS sampling with minimal acquisition dead time. |
| Multiparameter Patient Monitor | Merchant Server PSU Monitoring |
Use Scenario: Biopotential signal amplification (ECG, EEG) where low-frequency noise and DC drift directly impact diagnostic accuracy. IC Role / Device Role / Timing Role: First-stage amplifier in analog front-end, rejecting electrode half-cell potentials and power-line interference. Use Value: Ultra-low 0.2 µVPP 0.1–10 Hz noise and 126 dB PSRR suppress mains-borne ripple and thermal EMF artifacts. | Use Scenario: Isolated voltage/current sensing in 48 V server power supplies, operating in high-EMI switch-node environments. IC Role / Device Role / Timing Role: Post-isolation amplifier driving ADC inputs while rejecting high-frequency switching noise. Use Value: EMI-hardened inputs and 126 dB PSRR maintain accuracy despite proximity to 100+ kHz MOSFET gate drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2189IDGKR | Lower 0.1–10 Hz noise (0.1 µVPP), higher IQ (1.3 mA), same VSSOP-8 package | Better for ultra-low-drift DC applications; less suitable for battery-powered systems | Select when 0.1 µVPP noise is mandatory and supply current is not constrained |
| AD8638ARZ-REEL7 | Higher offset (600 µV max), lower GBW (160 kHz), SOIC-8 only, no heavy CL drive spec | Suitable for cost-sensitive, low-speed precision tasks; not recommended for capacitive DAC buffers | Choose for legacy SOIC footprint compatibility where 1 MHz bandwidth and 25 nF drive are unnecessary |
Compared with OPA2189IDGKR and AD8638ARZ-REEL7, the OPA2202IDGKR uniquely balances ultra-low noise (0.2 µVPP), heavy capacitive load stability (25 nF), and low quiescent current (580 µA) in a compact VSSOP-8 - making it optimal for space-constrained, high-fidelity sensor signal chains requiring both precision and drive strength.
Availability
OPA2202IDGKR is available at Aetrix Electronics and suitable for lab instrumentation, medical patient monitors, and industrial data acquisition systems requiring stable component supply with full industrial temperature range support (–40°C to +105°C).
Supply support for OPA2202IDGKR 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 company headquartered in Dallas, Texas, specializing in analog and embedded processing technologies with over 90 years of innovation in precision analog ICs.
The OPAx202 family was designed specifically for high-accuracy, low-noise signal conditioning in demanding environments - emphasizing DC precision, EMI resilience, and robust capacitive load drive without external compensation.
FAQ
What is the maximum capacitive load the OPA2202IDGKR can drive stably?
The OPA2202IDGKR is specified to operate stably with up to 25 nF capacitive load without external compensation or isolation resistors. This capability is validated in Figure 28 of the SBOS812H datasheet, showing <5% overshoot across 100 pF to 25,000 pF. For loads exceeding 25 nF, consult TI's application note SLOA058B for decompensation guidance. The OPA2202IDGKR achieves this via internal compensation optimized for heavy CL drive.
Does the OPA2202IDGKR exhibit phase reversal under common-mode overvoltage?
No, the OPA2202IDGKR does not exhibit phase reversal. As confirmed in Figure 29 of the SBOS812H datasheet, the device maintains correct polarity even when input common-mode voltage exceeds the supply rails by up to ±0.5 V. This behavior is enabled by its super-beta bipolar input stage and internal clamping architecture, making it safe for use in multiplexer-based front-ends where input transients may occur.
What is the input bias current specification for the OPA2202IDGKR over temperature?
The OPA2202IDGKR 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 SBOS812H. At 25°C, typical IB is ±0.25 nA. This ultra-low bias current enables high-impedance sensor interfacing (e.g., piezoresistive bridges or pH electrodes) without significant voltage drop across source impedances up to 10 GΩ.
Can the OPA2202IDGKR operate from a single 5-V supply?
Yes, the OPA2202IDGKR supports single-supply operation from 4.5 V to 36 V, as stated in Section 6.3 (Recommended Operating Conditions). With a 5-V supply, its input common-mode range extends from 1.5 V to 3.5 V, and output swing reaches within 750 mV of each rail (no load) - sufficient for many 3.3-V logic-compatible signal chains. Quiescent current remains 580 µA per channel.
How does the OPA2202IDGKR compare to the OP-07 in terms of precision performance?
The OPA2202IDGKR replaces the OP-07 with superior specifications: 200 µV max VOS vs. 150 µV max for OP-07, but significantly better drift (±1.5 µV/°C vs. ±1.5 µV/°C typical for OP-07), lower noise (0.2 µVPP vs. 0.6 µVPP), and far greater capacitive load drive (25 nF vs. <100 pF). Unlike the OP-07, the OPA2202IDGKR offers EMI hardening, no phase reversal, and guaranteed operation to +105°C - making it a true next-generation upgrade.
OPA2202IDGKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm 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 (x2 Channels)
- 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-VSSOP
OPA2202IDGKR FAQ
1.How can I place an order for OPA2202IDGKR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2202IDGKR 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 OPA2202IDGKR reliable?
The price and inventory of OPA2202IDGKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2202IDGKR is usually 5 days.
3.What payment methods are accepted for OPA2202IDGKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2202IDGKR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2202IDGKR?
OPA2202IDGKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2202IDGKR 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 OPA2202IDGKR?
For technical support, including OPA2202IDGKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2202IDGKR requirements.
6.How does Aetrix verify that OPA2202IDGKR is sourced from the original manufacturer or authorized distributors?
All OPA2202IDGKR 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 OPA2202IDGKR meets industry standards.
7.What is the process for return or replacement of OPA2202IDGKR?
All OPA2202IDGKR units undergo pre-shipment inspection (PSI). If there is an issue with OPA2202IDGKR, 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 OPA2202IDGKR part is unused and in its original packaging.
Return procedure for OPA2202IDGKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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