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Texas Instruments OPA4196ID
- Part No.:
- OPA4196ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA4196ID.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:345
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Product details
Overview
OPA4196ID from Texas Instruments is a quad-channel, 36-V rail-to-rail input/output operational amplifier with ±100 µV maximum offset voltage, ±0.5 µV/°C typical drift, 2.5-MHz gain-bandwidth, 140 µA per amplifier quiescent current, and 1 nF capacitive load drive capability-used in high-precision multiplexed data-acquisition systems and SAR ADC reference buffering.
For engineers reviewing the OPA4196ID datasheet, OPA4196ID pinout, OPA4196ID application, or OPA4196ID equivalent, key selection considerations include its e-trim™ architecture for low drift, differential input voltage range to supply rail, high CMRR (140 dB), EMI-filtered inputs, and SOIC-14/TSSOP-14 package compatibility with industrial temperature range (–40°C to +125°C).
Technical Context
The OPA4196ID implements a patented two-temperature e-trim™ architecture at package level, enabling ±25 µV typical offset and ±0.5 µV/°C drift across –40°C to +125°C. Its front-end uses complementary NCH/PCH input stages without clamping diodes, supporting full 36-V differential input range and eliminating signal distortion from transient-induced diode conduction.
It delivers rail-to-rail output swing within 15 mV of rails (no load), ±65 mA short-circuit current, and stable operation with up to 1 nF capacitive loads-enabled by internal slew-boost and high-capacitive-load compensation circuitry optimized for high-voltage sensor interfaces and precision analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±2.25 V to ±18 V (4.5 V to 36 V) - supports wide industrial power rails including single-supply 24-V systems |
| Offset Voltage | ±100 µV max - enables sub-0.01% error in 10-V full-scale measurement systems |
| Offset Drift | ±0.5 µV/°C typ - ensures <1 µV total drift over 85°C operating range, critical for uncalibrated sensor nodes |
| Gain-Bandwidth | 2.5 MHz - sufficient for driving 18-bit SAR ADCs with <1 LSB settling at 1 MSPS sample rates |
| Quiescent Current | 140 µA per amplifier - allows four-channel precision amplification in battery-powered DAQ with <600 µA total IQ |
| CMRR | 140 dB - rejects >100,000:1 common-mode interference in noisy industrial environments |
| Capacitive Load Drive | 1 nF - directly drives ADC input filters and long PCB traces without external isolation resistors |
Pinout & Package
OPA4196ID is available in SOIC-14 (8.65 mm × 3.90 mm) and TSSOP-14 (5.00 mm × 4.40 mm) packages. Both variants share identical pin mapping and thermal performance metrics (RθJA = 86.4°C/W for SOIC-14, 92.6°C/W for TSSOP-14).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | OUT A/B/C/D | Amplifier outputs - each capable of ±65 mA sink/source and rail-to-rail swing within 15 mV |
| 2, 6, 9, 13 | ±IN A/B/C/D | Inverting inputs - support full 36-V differential input range without clamping diodes |
| 3, 5, 10, 12 | +IN A/B/C/D | Noninverting inputs - high-impedance (10¹³ Ω || 6.4 pF) for direct connection to high-Z sensors |
| 4 | V+ | Positive supply - highest potential rail; accepts up to +18 V (or +36 V single-supply) |
| 11 | V– | Negative supply - lowest potential rail; accepts down to –18 V (or GND in single-supply) |
Key Features
| Feature | Design Value |
|---|---|
| e-trim™ two-temperature calibration | Reduces initial offset to ±25 µV typ and drift to ±0.5 µV/°C over full industrial temperature range |
| Differential input range to supply rail | Enables direct interfacing with ±10 V sensor outputs and high-side current sense without level-shifting |
| EMI/RFI filtered inputs | Integrated RC filtering suppresses >1 GHz RF interference that causes rectification errors in precision DC circuits |
| Rail-to-rail input and output | Maximizes dynamic range in low-voltage (4.5 V) and high-voltage (36 V) systems without headroom loss |
| High capacitive load drive (1 nF) | Eliminates need for series isolation resistors when driving ADC input RC filters or long cables |
Applications
| Multiplexed Data-Acquisition System | SAR ADC Reference Buffer |
|---|---|
Use Scenario: 16-channel, 18-bit industrial DAQ system using analog multiplexer before ADC, requiring channel-to-channel crosstalk < –130 dB at 100 kHz. IC Role / Device Role / Timing Role: Quad op amp buffers each MUX output to drive ADC input while maintaining signal integrity and minimizing settling time. Use Value: 150 dB dc crosstalk and 2.5-MHz GBW ensure <0.001% inter-channel interference and full-scale settling in <3.7 µs for 5-V steps. | Use Scenario: Precision 18-bit SAR ADC (e.g., ADS8864) requiring ultra-stable, low-noise reference buffer with minimal THD+N. IC Role / Device Role / Timing Role: Reference driver stage for REF3140 4.096-V reference, delivering low-impedance, noise-free bias to ADC REF pin. Use Value: 15 nV/√Hz input noise and 0.0012% THD+N at 1 kHz preserve ADC ENOB; rail-to-rail output ensures full reference utilization. |
| High-Side Current Sensing | Medical Instrumentation Signal Conditioning |
Use Scenario: Isolated 24-V motor drive monitoring phase current via shunt resistor placed between power rail and load. IC Role / Device Role / Timing Role: High-common-mode-voltage difference amplifier front-end, rejecting 24-V common-mode while amplifying mV-level shunt voltage. Use Value: 140 dB CMRR and ±36-V input range enable accurate 0.1% current measurement despite 24-V CM variation and fast transients. | Use Scenario: Portable ECG monitor amplifying microvolt-level biopotential signals from dry electrodes in presence of 50/60-Hz mains interference. IC Role / Device Role / Timing Role: First-stage instrumentation-grade amplifier with high input impedance and low 1/f noise for baseline stability. Use Value: 1.4 µVPP 0.1–10 Hz noise and 10¹³ Ω input impedance prevent electrode polarization and preserve ST-segment fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4197IDR | Same pinout, ±25 µV max offset (vs. ±100 µV), higher 3.5-MHz GBW, but 220 µA IQ (vs. 140 µA) | Better for bandwidth-critical ADC drivers; less suitable for ultra-low-power battery operation | Select OPA4197IDR when offset budget <25 µV and supply current >200 µA is acceptable |
| AD8604ARUZ | Quad rail-to-rail op amp, 50 µV max offset, 8-MHz GBW, but only 5.5-V max supply and no 36-V input range | Limited to low-voltage (<6 V) applications; cannot replace OPA4196ID in 24-V industrial systems | Choose AD8604ARUZ only for portable, low-voltage, high-speed signal chains where supply headroom is constrained |
Compared with OPA4196ID, OPA4197IDR offers tighter offset and higher speed at increased quiescent current, while AD8604ARUZ provides higher bandwidth but lacks high-voltage capability-making OPA4196ID the optimal balance of precision, voltage range, and power efficiency for industrial DAQ.
Availability
OPA4196ID is available at Aetrix Electronics and suitable for multiplexed data-acquisition systems, high-precision ADC reference buffering, and high-side current sensing requiring stable component supply across extended temperature and voltage ranges.
Supply support for OPA4196ID 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 specializing in analog and embedded processing technologies, with leadership in precision amplifiers, data converters, and power management ICs.
The OPAx196 family was designed for high-impedance industrial sensors, high-voltage data acquisition, and precision analog front-ends requiring low drift, rail-to-rail operation, and robust EMI immunity across –40°C to +125°C.
FAQ
What is the maximum supply voltage rating for OPA4196ID?
The OPA4196ID supports a maximum supply voltage of ±20 V (or +40 V single-supply), with recommended operating range from ±2.25 V to ±18 V (4.5 V to 36 V). Operation beyond ±20 V risks permanent damage per Absolute Maximum Ratings in the official datasheet. The OPA4196ID maintains full rail-to-rail functionality and specified performance across its entire recommended range.
Does OPA4196ID require external input protection diodes?
No, the OPA4196ID does not require external input protection diodes. Its patented input architecture eliminates conventional clamping diodes while providing robust transient protection and full 36-V differential input voltage range. This design prevents signal distortion and settling delays caused by diode conduction during fast transients-confirmed in TI's SBOS869 datasheet Section 7.3.1.
Can OPA4196ID drive a 1000-pF capacitive load without oscillation?
Yes, the OPA4196ID is explicitly characterized to drive up to 1 nF (1000 pF) capacitive loads stably, as stated in its Key Features and Electrical Characteristics. This capability is enabled by internal high-capacitive-load compensation and is verified in Figure 20–21 of the SBOS869 datasheet, which shows overshoot <5% at 1 nF with RISO = 0 Ω.
What is the typical input bias current of OPA4196ID at 25°C?
The typical input bias current of OPA4196ID is ±5 pA at 25°C, with a maximum of ±20 pA across temperature and supply conditions. This ultra-low bias current enables high-impedance sensor interfacing (e.g., piezoresistive bridges, pH electrodes) without significant voltage error-verified in Table 6.7 and 6.8 of the SBOS869 datasheet under both ±18 V and ±2.25 V supply conditions.
Is OPA4196ID pin-compatible with other devices in the OPAx196 family?
OPA4196ID shares identical pinout with OPA4196 variants in SOIC-14 and TSSOP-14 packages, but is not pin-compatible with OPA196 (5-pin SOT/8-pin SOIC/VSSOP) or OPA2196 (8-pin SOIC/VSSOP). Pin mapping for all four channels, power, and ground is consistent across OPA4196ID, OPA4196IRGTR, and OPA4196IPWR per the Pin Functions table in SBOS869 Section 5.
OPA4196ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 7V/µs
- Gain Bandwidth Product:
- 2.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 25 µV
- Current - Supply:
- 140µA (x4 Channels)
- Current - Output / Channel:
- 65 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
OPA4196ID FAQ
1.How can I place an order for OPA4196ID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA4196ID 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 OPA4196ID reliable?
The price and inventory of OPA4196ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA4196ID is usually 5 days.
3.What payment methods are accepted for OPA4196ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA4196ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA4196ID?
OPA4196ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA4196ID 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 OPA4196ID?
For technical support, including OPA4196ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA4196ID requirements.
6.How does Aetrix verify that OPA4196ID is sourced from the original manufacturer or authorized distributors?
All OPA4196ID 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 OPA4196ID meets industry standards.
7.What is the process for return or replacement of OPA4196ID?
All OPA4196ID units undergo pre-shipment inspection (PSI). If there is an issue with OPA4196ID, 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 OPA4196ID part is unused and in its original packaging.
Return procedure for OPA4196ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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