TL082QDRQ1
| Parameters | |
|---|---|
| Series | Automotive, AEC-Q100 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Current - Supply | 1.4mA (x2 Channels) |
| Output Type | - |
| Number of Circuits | 2 |
| Slew Rate | 13V/µs |
| Gain Bandwidth Product | 3 MHz |
| Supplier Device Package | 8-SOIC |
| Current - Input Bias | 30 pA |
| Amplifier Type | J-FET |
| Voltage - Input Offset | 3 mV |
| Current - Output / Channel | 10 mA |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | TL082 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
| Voltage - Supply Span (Min) | 7 V |
| Voltage - Supply Span (Max) | 36 V |
TL082QDRQ1 dual-channel JFET-input operational amplifier 2 Circuit 8-SOIC
The TL082QDRQ1 from Texas Instruments is an AEC-Q100 qualified, dual-channel JFET-input operational amplifier designed specifically for harsh automotive environments. Housed in an 8-pin SOIC package, this device combines the classic benefits of the TL08x family—high input impedance and wide bandwidth—with the robustness required for automotive-grade applications. It operates over a wide supply voltage range of ±1.8 V to ±18 V (or 3.6 V to 36 V single supply) and is characterized by a 3 MHz gain bandwidth product and a high slew rate of 13 V/µs. With an input bias current as low as 30 pA and an input common-mode voltage range that includes the positive rail, it is ideal for buffering high-impedance sensors in vehicles. The TL082QDRQ1 is fully specified over the -40°C to +125°C automotive temperature range, ensuring reliable performance in engine control units, infotainment systems, and advanced driver-assistance systems (ADAS).
Selection Advantages
Choosing the TL082QDRQ1 provides a low-risk, cost-optimized solution for automotive analog front-ends. Its primary advantage lies in being a direct, pin-compatible automotive upgrade to the ubiquitous commercial-grade TL082, allowing for easy migration of existing designs to meet automotive qualifications without schematic changes. The JFET input stage offers a distinct benefit over bipolar op-amps when interfacing with high-impedance sensors, as it eliminates the need for bias current cancellation circuits. Furthermore, its wide supply range simplifies power supply design, allowing it to be used across different voltage domains within a vehicle's electronic control unit (ECU).
Alternative Op Amp Models
1. TL072QDRQ1 (Texas Instruments): An automotive-grade low-noise JFET op-amp with similar specifications but lower input bias current and noise, often preferred for high-fidelity audio applications.
2. TL082IDR (Texas Instruments): The standard commercial-grade version of the same amplifier, suitable for non-automotive industrial and consumer applications with a 0°C to 70°C temperature range.
3. TLV9352-Q1 (Texas Instruments): A newer-generation automotive op-amp with rail-to-rail input/output, higher GBW (10 MHz), and lower offset voltage, offering improved performance in space-constrained designs.
4. OPA2182-Q1 (Texas Instruments): A precision automotive op-amp with significantly lower offset voltage and drift, suitable for high-accuracy bridge sensing applications where DC precision is critical.
