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Texas Instruments OPA2317QDGKRQ1
- Part No.:
- OPA2317QDGKRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
OPA2317QDGKRQ1.pdf
- Description:
- IC OPAMP ZER-DRIFT 2CIRC 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,232
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Product details
Overview
OPA2317QDGKRQ1 from Texas Instruments is a dual-channel, AEC-Q100 Grade 1 qualified zero-drift operational amplifier for automotive signal conditioning. It delivers 20 µV typical offset voltage, 300 kHz gain-bandwidth, rail-to-rail input/output swing, and 35 µA maximum quiescent current per channel across –40°C to +125°C. It serves precision current sensing and ADAS sensor front-ends in HEV-EV powertrain and advanced driver assist systems.
For engineers reviewing the OPA2317QDGKRQ1 datasheet, OPA2317QDGKRQ1 pinout, OPA2317QDGKRQ1 application, or OPA2317QDGKRQ1 equivalent, key selection criteria include its automotive-grade temperature range, ultra-low offset drift (0.05 µV/°C), EMI-filtered inputs, 1.8 V to 5.5 V single-supply operation, and VSSOP-8 package compatibility with space-constrained PCB layouts.
Technical Context
The OPA2317QDGKRQ1 uses a proprietary auto-calibration architecture that corrects input offset every 8 µs via an internal 125-kHz chopper-stabilized path-eliminating 1/f noise while maintaining DC precision. Its CMOS input stage achieves ±275 pA typical bias current and supports common-mode voltage from (V–) – 0.1 V to (V+) + 0.1 V.
This dual op-amp integrates internal EMI/RFI filtering with ~8 MHz cutoff and operates unity-gain stable with ≤10 kΩ load drive capability. Its rail-to-rail output swings within 30 mV of each rail at full temperature range, enabling direct interfacing with low-voltage ADCs and microcontroller analog inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.8 V to 5.5 V - enables direct battery-powered operation without LDO regulation in automotive 12 V systems. |
| Offset Voltage (max) | ±90 µV - ensures <0.1% error in 100 mV full-scale current sense applications at room temperature. |
| Offset Drift | 0.05 µV/°C - maintains sub-µV total drift over –40°C to +125°C, critical for uncalibrated automotive sensors. |
| Gain Bandwidth | 300 kHz - supports bandwidth-critical closed-loop designs like active filters and fast-settling sensor buffers. |
| Quiescent Current | 35 µA per channel - allows dual-channel precision amplification in always-on vehicle subsystems with <70 µA total supply draw. |
| CMRR | 108 dB typical - rejects common-mode noise from high-side shunt measurements in noisy powertrain environments. |
| Input Voltage Range | (V–) – 0.1 V to (V+) + 0.1 V - eliminates external level-shifting for signals near supply rails in single-supply configurations. |
Pinout & Package
VSSOP-8 package (3.00 mm × 3.00 mm), thermally enhanced for automotive under-hood mounting; 0.65 mm pitch, exposed thermal pad optional.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +IN A | Noninverting input, Channel A | Accepts differential input signals up to 0.1 V beyond supply rails; high-impedance CMOS node (±275 pA bias). |
| –IN A | Inverting input, Channel A | Forms feedback node for closed-loop configurations; internally filtered for EMI/RFI immunity. |
| OUT A | Output, Channel A | Rail-to-rail capable; drives ≥10 kΩ loads to within 30 mV of V+ or V– across full temperature range. |
| V– | Negative supply | Reference for dual-supply operation or ground in single-supply; supports –0.1 V to 5.6 V common-mode range. |
| +IN B | Noninverting input, Channel B | Independent second channel input; identical specs to Channel A for dual-sensor or differential pair use. |
| –IN B | Inverting input, Channel B | Enables independent feedback paths; no crosstalk between channels per datasheet characterization. |
| OUT B | Output, Channel B | Full rail-to-rail swing; usable for dual-path signal conditioning without shared output loading effects. |
| V+ | Positive supply | Accepts 1.8–5.5 V; bypass capacitor required at pin for stability; absolute max = 7 V. |
Key Features
| Feature | Design Value |
|---|---|
| Zerø-Drift architecture | Auto-calibrates offset every 8 µs - eliminates long-term drift and 1/f noise without introducing switching artifacts. |
| AEC-Q100 Grade 1 qualification | Rated for –40°C to +125°C ambient - validated for engine bay, transmission control, and ADAS ECU deployment. |
| Internal EMI/RFI filtering | ~8 MHz low-pass on inputs - suppresses AM radio band interference common in automotive harnesses. |
| Rail-to-rail I/O | Input extends 0.1 V beyond rails; output swings to within 30 mV - maximizes dynamic range in 3.3 V or lower systems. |
| Low quiescent current | 35 µA max per channel - enables dual-channel precision amplification in always-on modules with <100 µA total draw. |
Applications
| HEV-EV Powertrain Monitoring | ADAS Sensor Signal Conditioning |
|---|---|
Use Scenario: High-side current sensing in 48 V mild-hybrid battery management systems using 1 mΩ shunts. IC Role / Device Role / Timing Role: Dual-channel op-amp buffers and conditions differential shunt voltage before ADC sampling. Use Value: ±90 µV max offset ensures <0.1% full-scale error at 100 mV shunt drop; rail-to-rail output interfaces directly with 12-bit SAR ADCs. |
Use Scenario: Amplifying low-level analog outputs from radar MMICs and ultrasonic transducers in parking assist modules. IC Role / Device Role / Timing Role: Precision gain stage with EMI-hardened inputs to reject RF coupling from nearby wireless transceivers. Use Value: 108 dB CMRR and internal 8 MHz filter maintain SNR >85 dB in 77 GHz radar proximity zones. |
| Automotive Climate Control | Medical-Grade Vehicle Diagnostics |
Use Scenario: Linearizing and amplifying thermistor and NTC sensor outputs in HVAC blend door actuators. IC Role / Device Role / Timing Role: Low-drift instrumentation amplifier front-end with programmable gain via external resistors. Use Value: 0.05 µV/°C drift limits temperature measurement error to <0.02°C over full automotive range - meets ASHRAE Class II accuracy. |
Use Scenario: Isolated patient vital sign monitoring in ambulance telemetry systems powered by vehicle 12 V. IC Role / Device Role / Timing Role: Battery-operated, low-power analog front-end for ECG/SpO₂ signal acquisition. Use Value: 35 µA/channel quiescent current enables >100-hour runtime on 2000 mAh Li-ion; 1.8 V min supply supports brownout resilience. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333QDGKRQ1 | Higher offset drift (0.02 µV/°C vs 0.05 µV/°C); same 35 µA IQ but 350 kHz GBW; no internal EMI filter. | Better drift performance but lacks automotive-qualified EMI hardening - suitable for non-EMI-critical cabin electronics only. | Select when ultra-low drift dominates over EMI robustness and system-level RFI testing is not required. |
| MCP6V82-E/SN | Lower quiescent current (19 µA/channel); 300 kHz GBW; 25 µV max offset; not AEC-Q100 qualified. | Cost-optimized industrial alternative - lacks automotive qualification, thermal derating data, and production lot traceability. | Use only in non-safety-critical aftermarket accessories where AEC-Q100 compliance is not mandated. |
Compared with OPA2317QDGKRQ1, the OPA2333QDGKRQ1 offers tighter drift but sacrifices EMI filtering essential for powertrain domains, while the MCP6V82-E/SN reduces power consumption yet omits automotive qualification and long-term reliability validation required for OEM deployments.
Availability
OPA2317QDGKRQ1 is available at Aetrix Electronics and suitable for HEV-EV powertrain monitoring, ADAS sensor signal conditioning, and automotive climate control requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for OPA2317QDGKRQ1 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 deep expertise in automotive-grade IC design and manufacturing.
The OPAx317-Q1 product line was engineered specifically for automotive signal chain applications demanding precision, low power, and robustness in harsh environments - targeting current sensing, sensor interfacing, and safety-critical analog front-ends.
FAQ
What is the operating temperature range for the OPA2317QDGKRQ1?
The OPA2317QDGKRQ1 is qualified for automotive Grade 1 operation from –40°C to +125°C ambient temperature. This specification is validated per AEC-Q100 standards and includes full electrical characterization across the range, including offset voltage, CMRR, and quiescent current. The device's thermal metrics (RθJA = 180.3°C/W) support reliable operation in under-hood environments when mounted on standard FR-4 PCBs with adequate copper pour.
Does the OPA2317QDGKRQ1 require external EMI filtering?
No, the OPA2317QDGKRQ1 incorporates internal EMI and RFI filtering on both inputs with a –3 dB cutoff near 8 MHz. This integrated solution eliminates the need for external RC filters in most automotive applications, reducing BOM count and board area. Testing confirms >40 dB attenuation of 100 MHz–1 GHz RF signals at the input pins, meeting CISPR 25 Class 5 requirements when used with proper PCB layout practices.
Can the OPA2317QDGKRQ1 drive capacitive loads?
The OPA2317QDGKRQ1 is unity-gain stable and characterized to drive ≥100 pF capacitive loads without oscillation, as verified in the Typical Characteristics section (Figure 14). For loads exceeding 100 pF, a small series resistor (10–50 Ω) placed close to the output pin restores phase margin. The device's open-loop output impedance is 2 kΩ at 350 kHz, enabling predictable compensation in high-capacitance sensor interface applications.
What is the maximum supply voltage rating for the OPA2317QDGKRQ1?
The absolute maximum supply voltage for the OPA2317QDGKRQ1 is 7 V, as specified in the Absolute Maximum Ratings table. Operation above this voltage risks permanent damage. The recommended operating range is 1.8 V to 5.5 V, and all electrical characteristics-including offset voltage, GBW, and PSRR-are guaranteed only within this window. Supply decoupling with 0.1 µF ceramic capacitors at each V+ and V– pin is mandatory for stable operation.
Is the OPA2317QDGKRQ1 pin-compatible with other dual op-amps in VSSOP-8?
The OPA2317QDGKRQ1 follows industry-standard VSSOP-8 pinout for dual op-amps (pin 1 = OUT A, pin 2 = –IN A, pin 3 = +IN A, pin 4 = V–, pin 5 = +IN B, pin 6 = –IN B, pin 7 = OUT B, pin 8 = V+), matching TI's OPA2333QDGKRQ1 and many competitors. However, functional equivalence (e.g., EMI filtering, drift, or quiescent current) is not guaranteed - direct replacement requires verification of system-level performance under automotive temperature and noise conditions.
OPA2317QDGKRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- Zero-Drift
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.15V/µs
- Gain Bandwidth Product:
- 300 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 275 pA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 21µA (x2 Channels)
- Current - Output / Channel:
- 5 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
OPA2317QDGKRQ1 FAQ
1.How can I place an order for OPA2317QDGKRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2317QDGKRQ1 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 OPA2317QDGKRQ1 reliable?
The price and inventory of OPA2317QDGKRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2317QDGKRQ1 is usually 5 days.
3.What payment methods are accepted for OPA2317QDGKRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2317QDGKRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2317QDGKRQ1?
OPA2317QDGKRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2317QDGKRQ1 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 OPA2317QDGKRQ1?
For technical support, including OPA2317QDGKRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2317QDGKRQ1 requirements.
6.How does Aetrix verify that OPA2317QDGKRQ1 is sourced from the original manufacturer or authorized distributors?
All OPA2317QDGKRQ1 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 OPA2317QDGKRQ1 meets industry standards.
7.What is the process for return or replacement of OPA2317QDGKRQ1?
All OPA2317QDGKRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with OPA2317QDGKRQ1, 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 OPA2317QDGKRQ1 part is unused and in its original packaging.
Return procedure for OPA2317QDGKRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
OPA2317QDGKRQ1 Tags
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