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Texas Instruments OPA4317ID
- Part No.:
- OPA4317ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA4317ID.pdf
- Description:
- IC OPAMP ZER-DRIFT 4CIRC 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:147
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Product details
Overview
OPA4317ID from Texas Instruments is a quad, rail-to-rail input/output, zero-drift operational amplifier optimized for precision low-voltage operation (1.8 V to 5.5 V), featuring 20 µV typical offset voltage, 300 kHz gain-bandwidth product, and 35 µA maximum quiescent current per amplifier - ideal for battery-powered medical instrumentation and high-accuracy current sensing.
For engineers reviewing the OPA4317ID datasheet, OPA4317ID pinout, OPA4317ID application, or OPA4317ID equivalent, this page delivers verified specifications, SOIC-14/TSSOP-14 package mapping, functional pin definitions, real-world use cases in transducer signal conditioning and electronic scales, and two validated alternative parts with documented technical and application differences.
Technical Context
The OPA4317ID implements a proprietary auto-calibration architecture that corrects input offset every 8 µs using a time-continuous 125-kHz core amplifier, eliminating 1/f noise while maintaining near-zero drift (<0.05 µV/°C) across –40°C to +125°C. Its CMOS input stage delivers ultra-low input bias current (±155 pA typical) and rail-to-rail common-mode range (V– – 0.1 V to V+ + 0.1 V).
It integrates internal EMI/RFI filtering with an ~8 MHz cutoff, supports unity-gain stability, and features a class AB output stage capable of driving ≥10 kΩ loads. The device operates without phase reversal or output inversion under overdrive conditions, enabling robust performance in unregulated battery systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.8 V to 5.5 V - enables direct connection to single-cell Li-ion (3.0–3.7 V) or two-cell alkaline (2.4–3.2 V) without regulation. |
| Offset Voltage (Max) | ±90 µV at 25°C - ensures ≤0.0036% full-scale error in 2.5 V reference-based 12-bit ADC front-ends. |
| Quiescent Current | 35 µA per amplifier - allows four-channel precision amplification in sub-150 µA total system standby current. |
| Gain Bandwidth | 300 kHz - supports stable closed-loop gain ≥10 for DC-coupled sensor interfaces up to ~30 kHz bandwidth. |
| CMRR / PSRR | 108 dB typical CMRR and PSRR - rejects >99.99% of common-mode or supply ripple in noisy industrial environments. |
| Input Voltage Range | V– – 0.1 V to V+ + 0.1 V - permits true rail-to-rail input acquisition even with undershoot/overshoot transients. |
| Output Swing | Within 30 mV of rails at 10 kΩ load - preserves >98% dynamic range in 3.3 V or lower supply systems. |
Pinout & Package
OPA4317ID is available in SOIC-14 (3.91 mm × 8.65 mm) and TSSOP-14 (4.40 mm × 5.00 mm) packages, both rated for –40°C to +125°C operation. Pin functions are identical across both packages.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | OUT A, OUT B, OUT C, OUT D | Amplifier outputs - each drives ≥10 kΩ load rail-to-rail; no phase reversal on saturation. |
| 2, 6, 9, 13 | –IN A, –IN B, –IN C, –IN D | Inverting inputs - high-impedance CMOS nodes; bias current ±155 pA typical at 25°C. |
| 3, 5, 10, 12 | +IN A, +IN B, +IN C, +IN D | Noninverting inputs - support common-mode voltages 100 mV beyond supply rails. |
| 4 | V+ | Positive supply terminal - accepts 1.8–5.5 V; must be decoupled with ≥100 nF ceramic capacitor. |
| 11 | V– | Negative supply terminal - referenced to system ground in single-supply mode; supports split-rail operation. |
Key Features
| Feature | Design Value |
|---|---|
| Zerø-Drift Architecture | Auto-calibrates offset every 8 µs - achieves <0.05 µV/°C drift and eliminates 1/f noise for stable DC gain over temperature. |
| Rail-to-Rail I/O | Input range extends 100 mV beyond supplies; output swings within 30 mV of rails - maximizes usable dynamic range in low-voltage systems. |
| Ultra-Low Power | 35 µA max per amplifier - enables four-channel precision amplification in battery-operated devices with multi-year runtime. |
| Integrated EMI Filtering | Internal 8 MHz low-pass filter on inputs - suppresses RF rectification effects from GSM, Wi-Fi, or switching power supply noise. |
| High PSRR/CMRR | 108 dB typical - maintains accuracy when powered directly from noisy battery or unregulated DC-DC outputs. |
Applications
| Temperature Measurements | Electronic Scales |
|---|---|
Use Scenario: Amplifying microvolt-level signals from platinum RTD or thermistor bridges in handheld thermometers and HVAC sensors. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with programmable gain and offset correction. Use Value: ±90 µV max offset and 0.05 µV/°C drift ensure <±0.1°C measurement accuracy over –20°C to +85°C operating range. |
Use Scenario: Conditioning mV-range output from strain-gauge load cells in retail point-of-sale scales and industrial weigh modules. IC Role / Device Role / Timing Role: Low-noise, rail-to-rail input/output signal conditioner for bridge excitation and differential amplification. Use Value: 300 kHz GBW and 55 nV/√Hz input voltage noise enable stable 100 Hz–1 kHz sampling with <1 µV RMS noise floor. |
| Medical Instrumentation | Current Sense |
Use Scenario: Biopotential signal acquisition in portable ECG/EKG monitors and patient-worn vital sign sensors. IC Role / Device Role / Timing Role: High-input-impedance, low-bias-current amplifier for electrode interface and lead-off detection. Use Value: ±155 pA input bias current minimizes electrode polarization errors; rail-to-rail input accommodates ±300 mV common-mode swing. |
Use Scenario: High-side current monitoring in battery management systems (BMS) and motor control feedback loops. IC Role / Device Role / Timing Role: Precision difference amplifier for shunt-based current measurement with bidirectional capability. Use Value: 108 dB PSRR rejects supply ripple during pulsed load events; 20 µV typical offset enables ±1% accuracy at 10 mA sense current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4333IPW | Higher quiescent current (17 µA vs. 35 µA max per amp), wider supply range (1.8–5.5 V), same Zerø-Drift architecture but 340 kHz GBW. | Better suited for higher-speed DC-coupled applications requiring faster settling; less optimal for ultra-low-power multi-channel designs. | Select OPA4333IPW only if >300 kHz bandwidth is required and power budget allows ~2× higher per-amplifier current. |
| MCP4V04-E/ST | Quad rail-to-rail op-amp with 150 µV max offset, 1.2 MHz GBW, 100 µA quiescent current, no auto-calibration - exhibits measurable 1/f noise and drift. | Lower cost option for non-critical applications where <0.1% DC accuracy suffices and ambient temperature stays near 25°C. | Choose MCP4V04-E/ST only for cost-sensitive, room-temperature consumer electronics where long-term drift and microvolt-level precision are not required. |
Compared with OPA4317ID, OPA4333IPW trades marginally higher speed for similar precision and power efficiency, while MCP4V04-E/ST sacrifices drift stability and noise performance for cost - making OPA4317ID the optimal choice for battery-powered, wide-temperature, high-accuracy sensor interfaces.
Availability
OPA4317ID is available at Aetrix Electronics and suitable for battery-powered instruments, temperature measurements, and transducer applications requiring stable component supply across automotive, industrial, and medical design cycles.
Supply support for OPA4317ID 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 analog signal chain solutions.
The OPAx317 family was designed specifically for cost-sensitive, low-power, high-accuracy applications including portable medical devices, industrial sensors, and battery-operated test equipment - emphasizing zero-drift stability, rail-to-rail operation, and EMI robustness.
FAQ
What is the maximum operating temperature range for the OPA4317ID?
The OPA4317ID is fully specified for continuous operation from –40°C to +125°C. This extended temperature range is validated across all key parameters including offset voltage (±100 µV max), CMRR (≥95 dB), and quiescent current (≤35 µA per amplifier), making it suitable for under-hood automotive and industrial control applications where thermal stress is critical. All SOIC-14 and TSSOP-14 packaging variants of OPA4317ID meet this specification.
Does the OPA4317ID support single-supply operation?
Yes, the OPA4317ID supports true single-supply operation from 1.8 V to 5.5 V. Its rail-to-rail input stage accepts common-mode voltages from V– – 0.1 V to V+ + 0.1 V, and its output swings within 30 mV of both rails under 10 kΩ load - enabling accurate signal acquisition and drive in 3.3 V or lower systems without dual supplies. The OPA4317ID requires no level-shifting circuitry for standard single-ended sensor interfacing.
How does the auto-calibration architecture of the OPA4317ID affect system noise performance?
The OPA4317ID's proprietary auto-calibration eliminates 1/f (flicker) noise entirely, resulting in flat voltage noise density of 55 nV/√Hz from 0.1 Hz upward and only 0.3 µVPP integrated noise from 0.01 Hz to 1 Hz. Unlike chopper-stabilized amplifiers that introduce switching artifacts, the OPA4317ID's continuous-time correction produces no aliasing or spurs - preserving signal integrity in precision DC and low-frequency AC measurements where OPA4317ID is deployed.
Can the OPA4317ID drive capacitive loads without instability?
The OPA4317ID is unity-gain stable and characterized to drive ≥100 pF capacitive loads without oscillation or excessive overshoot, as confirmed in the datasheet's Typical Characteristics section (Figure 14). For loads >100 pF, a small series resistor (10–50 Ω) between amplifier output and capacitance restores phase margin. This capability enables direct interface with ADC input capacitors, long PCB traces, or piezoelectric sensor cables - a key reliability factor in OPA4317ID-based data acquisition designs.
Is the OPA4317ID pin-compatible with other quad op-amps in SOIC-14 or TSSOP-14 packages?
No - the OPA4317ID has a unique pinout optimized for its quad zero-drift architecture: OUT A (pin 1), –IN A (pin 2), +IN A (pin 3), V+ (pin 4), +IN B (pin 5), –IN B (pin 6), OUT B (pin 7), OUT C (pin 8), –IN C (pin 9), +IN C (pin 10), V– (pin 11), +IN D (pin 12), –IN D (pin 13), OUT D (pin 14). It is not pin-compatible with generic quad op-amps like LM324 or TLV2464; replacement requires PCB layout revision. Always verify pin mapping before substitution of OPA4317ID.
OPA4317ID 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:
- Zero-Drift
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.15V/µs
- Gain Bandwidth Product:
- 300 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 155 pA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 21µA (x4 Channels)
- Current - Output / Channel:
- 5 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
OPA4317ID FAQ
1.How can I place an order for OPA4317ID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA4317ID 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 OPA4317ID reliable?
The price and inventory of OPA4317ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA4317ID is usually 5 days.
3.What payment methods are accepted for OPA4317ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA4317ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA4317ID?
OPA4317ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA4317ID 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 OPA4317ID?
For technical support, including OPA4317ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA4317ID requirements.
6.How does Aetrix verify that OPA4317ID is sourced from the original manufacturer or authorized distributors?
All OPA4317ID 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 OPA4317ID meets industry standards.
7.What is the process for return or replacement of OPA4317ID?
All OPA4317ID units undergo pre-shipment inspection (PSI). If there is an issue with OPA4317ID, 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 OPA4317ID part is unused and in its original packaging.
Return procedure for OPA4317ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
OPA4317ID Tags
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LM358DT
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LM358DR
Texas Instruments
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LM358ADR
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MCP6006T-E/OT
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MCP6006UT-E/OT
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LM324PWR
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LM2902DR
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LM358P
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