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STMicroelectronics TL062CD
- Part No.:
- TL062CD
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TL062CD.pdf
- Description:
- IC OPAMP JFET 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,088
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Product details
Overview
TL062CD from STMicroelectronics is a low-power JFET-input dual operational amplifier in SO-8 package, delivering 3.5 V/µs slew rate, ±15 V supply range, and 200 µA quiescent current per amplifier. It operates across 0 °C to +70 °C, features high input impedance (10¹² Ω), 80 dB CMRR, and output short-circuit protection-used in precision signal conditioning for industrial sensor interfaces and audio preamplifier stages.
For engineers reviewing the TL062CD datasheet, TL062CD pinout, TL062CD application, or TL062CD equivalent, key selection criteria include input bias current (≤400 pA), common-mode input range (±11.5 V), channel separation (120 dB), and thermal resistance (125 °C/W for SO-8) in low-noise, rail-compatible analog front-ends.
Technical Context
The TL062CD integrates matched high-voltage JFET and bipolar transistors on a monolithic die, enabling low input offset voltage (3–20 mV), low temperature drift (10 µV/°C), and latch-up-free operation. Its internal frequency compensation ensures unity-gain stability with 1 MHz gain-bandwidth product.
Designed for dual-channel operation, it supports independent signal paths with no crosstalk degradation (120 dB channel separation at Av = 100), and maintains full output swing (20–27 Vpp into 10 kΩ) across its specified supply (±6 V to ±18 V) and temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±6 V to ±18 V - supports dual-rail operation in legacy industrial and test equipment without level-shifting. |
| Slew Rate | 3.5 V/µs - enables faithful reproduction of signals up to ~100 kHz at 10 Vpp without distortion. |
| Input Bias Current | ≤400 pA (max, +70 °C) - minimizes DC error in high-impedance sensor interfaces (e.g., piezoelectric or pH electrodes). |
| Input Common-Mode Range | ±11.5 V (with ±15 V supply) - allows direct sensing of signals near supply rails in single-supply-derived systems. |
| Channel Separation | 120 dB - ensures minimal inter-channel coupling in stereo audio or dual-sensor differential acquisition. |
| Thermal Resistance (Junction-to-Ambient) | 125 °C/W (SO-8) - defines maximum continuous power dissipation (6–7.5 mW) under still-air conditions. |
| ESD Rating (HBM) | 900 V - meets basic handling robustness for non-automotive assembly environments. |
Pinout & Package
TL062CD is housed in an 8-pin SO-8 (small-outline integrated circuit) plastic micropackage, compliant with ECOPACK® environmental standards and rated for 0 °C to +70 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output 1 | Amplified output of first op-amp channel; capable of ±13.5 V swing into 10 kΩ load. |
| 2 | Inverting Input 1 | High-impedance (10¹² Ω) negative feedback node for Channel 1; accepts signals within Vicm range. |
| 3 | Non-inverting Input 1 | High-impedance positive input for Channel 1; supports rail-to-rail common-mode operation. |
| 4 | VCC− | Negative supply rail connection; must be decoupled locally to minimize noise coupling between channels. |
| 5 | Non-inverting Input 2 | Independent positive input for second op-amp; electrically isolated from Channel 1 except via shared supply pins. |
| 6 | Inverting Input 2 | Negative input for Channel 2; identical electrical characteristics to Pin 2. |
| 7 | Output 2 | Second independent output; matches Pin 1 performance including slew rate and output swing. |
| 8 | VCC+ | Positive supply rail; paired with Pin 4 to establish symmetric ±V supply for dual-rail operation. |
Key Features
| Feature | Design Value |
|---|---|
| Very low power consumption | 200 µA per amplifier - enables battery-powered instrumentation with multi-year runtime. |
| High input impedance JFET stage | 10¹² Ω input resistance - preserves signal integrity in megohm-level source impedances (e.g., photodiode transimpedance amps). |
| Output short-circuit protection | Infinite short-circuit duration rating - eliminates need for external current-limiting resistors in fault-prone interfaces. |
| Wide common-mode and differential input ranges | ±11.5 V common-mode, ±30 V differential - accommodates overvoltage transients without phase reversal or latch-up. |
| Internal frequency compensation | Unity-gain stable - simplifies design by eliminating external compensation components in standard configurations. |
Applications
| Industrial Sensor Signal Conditioning | Audio Pre-amplification |
|---|---|
|
Use Scenario: Amplifying low-level mV outputs from RTDs, thermocouples, or strain gauges in PLC analog input modules. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end, providing gain, filtering, and rail-compatible buffering before ADC sampling. Use Value: Low input bias current (≤400 pA) prevents loading of high-Z sensor bridges; 120 dB channel separation avoids cross-talk between adjacent channels. |
Use Scenario: Dual-stage preamp for condenser microphones or line-level inputs in portable mixers and audio interfaces. IC Role / Device Role / Timing Role: First-stage gain block and second-stage active filter/buffer, leveraging matched JFET pairs for low THD. Use Value: 42 nV/√Hz input noise and 3.5 V/µs slew rate preserve wideband fidelity up to 20 kHz; SO-8 footprint enables compact PCB layout. |
| Quadrature Oscillator Circuits | DC Precision Reference Buffers |
|
Use Scenario: Generating synchronized sine/cosine waveforms for resolver-to-digital conversion or phase-locked loop quadrature detection. IC Role / Device Role / Timing Role: Dual op-amp core in feedback-stabilized 100 kHz oscillator topology with diode amplitude limiting. Use Value: Matched slew rate and gain-bandwidth (1 MHz) ensure symmetrical waveform generation; low offset drift (<10 µV/°C) stabilizes zero-crossing accuracy. |
Use Scenario: Buffering precision voltage references (e.g., REF5025) in data acquisition systems requiring low-drift, high-PSRR isolation. IC Role / Device Role / Timing Role: Unity-gain buffer isolating reference from load variations while rejecting supply ripple. Use Value: 95 dB supply voltage rejection ratio (SVR) and 80 dB CMRR suppress noise coupling; 200 µA quiescent current minimizes reference loading. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual JFET op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL072CD | Higher slew rate (13 V/µs), lower input noise (18 nV/√Hz), but higher Ib (2 nA max) and ICC (2.8 mA). | Better for wideband audio or fast transient response; unsuitable for ultra-high-Z sensors due to 7× higher input bias current. | Select TL072CD only when bandwidth >10 MHz or noise <20 nV/√Hz is required-and source impedance <100 kΩ. |
| RC4558CD | Bipolar input (Ib = 500 nA), lower cost, wider temp range (−25 °C to +85 °C), but no JFET advantages (Ri = 300 kΩ, SR = 1.7 V/µs). | Acceptable for general-purpose amplification where input Z <10 kΩ and offset drift tolerance >20 µV/°C. | Choose RC4558CD for cost-sensitive consumer electronics where JFET benefits are unnecessary. |
Compared with TL072CD and RC4558CD, TL062CD uniquely balances ultra-low input bias current (≤400 pA), moderate speed (3.5 V/µs), and sub-1 mA total supply current-making it optimal for battery-powered, high-impedance sensor signal chains where precision and power efficiency coexist.
Availability
TL062CD is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable audio preamplifiers, quadrature oscillator circuits, and precision reference buffering requiring stable component supply across extended production lifecycles.
Supply support for TL062CD 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, microcontroller, power, and MEMS products for industrial, automotive, and consumer markets.
The TL062 series belongs to ST's legacy precision analog portfolio, engineered specifically for low-power, high-input-impedance dual op-amp applications in industrial control, test equipment, and audio signal processing.
FAQ
Is TL062CD pin-compatible with TL072CD?
Yes-both devices use identical SO-8 pinout (Pin 1 = Out1, Pin 2 = In−1, Pin 3 = In+1, Pin 4 = V−, Pin 5 = In+2, Pin 6 = In−2, Pin 7 = Out2, Pin 8 = V+). However, TL072CD draws significantly more supply current (2.8 mA vs. 0.25 mA) and exhibits higher input bias current, so direct substitution may affect power budget and DC accuracy in high-Z circuits.
What is the maximum capacitive load TL062CD can drive stably?
TL062CD is internally compensated for unity-gain stability with up to 100 pF capacitive load (per datasheet Figure 14–15 test conditions). Driving >100 pF requires external isolation resistor (≥100 Ω) in series with the output to prevent peaking or oscillation, especially when loaded by long cables or ADC input capacitance.
Does TL062CD support single-supply operation?
TL062CD is specified for dual-supply operation (±6 V to ±18 V), but can operate from a single supply if the input common-mode range (e.g., −12 V to +15 V with ±15 V rails) is translated using bias networks. It lacks rail-to-rail input/output capability, so input signals must stay ≥1.5 V away from either rail to avoid clipping or phase reversal.
How does TL062CD's channel separation impact dual-sensor designs?
With 120 dB channel separation at 1 kHz (Av = 100), TL062CD limits crosstalk to ≤1 µV when one channel processes a 100 mV signal-critical for simultaneous differential measurements (e.g., dual thermocouple inputs). This performance holds across temperature and supply voltage, ensuring consistent isolation without additional shielding or layout spacing.
TL062CD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 3.5V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 200µA (x2 Channels)
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 6 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TL062CD FAQ
1.How can I place an order for TL062CD through Aetrix?
Please submit a Request for Quotation (RFQ) for TL062CD 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 TL062CD reliable?
The price and inventory of TL062CD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL062CD is usually 5 days.
3.What payment methods are accepted for TL062CD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL062CD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL062CD?
TL062CD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL062CD 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 TL062CD?
For technical support, including TL062CD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL062CD requirements.
6.How does Aetrix verify that TL062CD is sourced from the original manufacturer or authorized distributors?
All TL062CD 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 TL062CD meets industry standards.
7.What is the process for return or replacement of TL062CD?
All TL062CD units undergo pre-shipment inspection (PSI). If there is an issue with TL062CD, 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 TL062CD part is unused and in its original packaging.
Return procedure for TL062CD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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