TS512IN - 3MHz Dual Precision Op Amp | STMicroelectronics
MPN: TS512IN ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TS512IN Overview
A dual operational amplifier is an analog integrated circuit containing two independent amplifier channels. Operational amplifiers are voltage amplifiers whose behavior depends mainly on external feedback components. The TS512IN combines frequency-compensated amplifiers for stable voltage-follower operation, low distortion, low noise, short-circuit protection, and internal ESD protection.
The 3 MHz gain-bandwidth product supports useful closed-loop bandwidth well below 3 MHz at higher noise gains, while the 1.5 V/µs slew rate improves response to larger transient signals. A maximum offset voltage of 500 µV helps reduce DC error in precision feedback networks. Its dual-channel organization reduces package count and simplifies PCB routing when two amplified signals must be processed under shared supply conditions.
The device operates from single 6 V to dual ±15 V supplies, matching conventional analog and industrial voltage ranges. Internal phase compensation allows voltage-follower use without an external compensation network. Short-circuit protection limits the effects of output overload, although sustained shorts still require appropriate supply and thermal checks. Internal ESD protection improves handling robustness without eliminating the need for normal assembly precautions.
TS512IN applications include sensor-interface amplification, low-frequency instrumentation, dual audio-channel control, buffering, active filtering, and general analog signal conditioning. Designers should place input and feedback components close to their associated pins, observe the specified common-mode and output-current limits, and avoid excessive loading near the bandwidth and slew-rate limits.
This product page combines verified manufacturer-linked specifications, source URLs, package information, application guidance, and honest comparison limitations. It distinguishes confirmed TS512IN attributes from parameters that require verification before a PCB or production cross-reference is approved.
Drop-in alternatives for TS512IN — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesTS512IN Maximum Ratings & Electrical Characteristics
| Product Type | Precision dual operational amplifier |
| Number of Amplifier Channels | 2 channels |
| Gain-Bandwidth Product | 3 MHz |
| Slew Rate | 1.5 V/µs |
| Maximum Input Offset Voltage | 500 µV |
| Supply Voltage Range | 6 V to 30 V |
| Single-Supply Configuration | 6 V minimum |
| Dual-Supply Configuration | ±15 V nominal |
| Package | 8-pin Mini DIP |
| Mounting Type | Through-hole |
| Internal Compensation | Yes |
| Voltage-Follower Stability | Internally compensated |
| Short-Circuit Protection | Yes |
| ESD Protection | Internal |
| Input Offset Current | Low; numerical limit not provided |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
TS512IN 8-pin mini dip Pin Configuration Guide
Pin configuration for TS512IN (8-pin mini dip package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for TS512IN.
Refer to the datasheet for full pin configuration.
Typical Applications
TS512IN is suitable for 6 applications: Precision Sensor Signal Conditioning, Dual Audio-Control Amplifier, Active Audio Filter, Instrumentation Buffering, Industrial Control Analog Front End, Low-Frequency Voltage-Follower Stage.
Precision Sensor Signal Conditioning
The TS512IN fits low-frequency sensor front ends because its verified maximum input offset voltage of 500 µV limits part of the DC error around a feedback network. Two internally compensated channels can condition complementary or sequential sensor signals while the 3 MHz gain-bandwidth product provides useful closed-loop response beyond very low audio frequencies. A practical design places each sensor, feedback network, and optional filter close to its assigned amplifier pins, then verifies common-mode range, output swing, sensor loading, and noise before calibration.
Recommended
Dual Audio-Control Amplifier
The TS512IN can support two low-frequency audio-control or line-level conditioning paths when its 3 MHz gain-bandwidth product and 1.5 V/µs slew rate exceed the signal requirements. The dual package reduces the number of active devices needed for balanced or stereo circuitry, while short-circuit protection adds robustness around output stages. The 8-pin Mini DIP footprint remains appropriate for through-hole prototypes, although designers should verify output-current capability, output swing, distortion conditions, and ground-loop layout against the full datasheet.
Recommended
Active Audio Filter
The TS512IN is suitable for active low-frequency audio filtering where each channel forms a second-order or lower-order section around an internally compensated amplifier. Its 3 MHz gain-bandwidth product exceeds the bandwidth of many audible-range filters, allowing useful closed-loop bandwidth and phase margin at practical gains. Component tolerances determine actual cutoff accuracy and peaking, so engineers should simulate the complete network, check resistor and capacitor noise, and probe each stage for clipping and oscillation on the final board.
Recommended
Instrumentation Buffering
Each TS512IN channel can buffer a relatively high-impedance source before measurement or conversion, provided the source impedance and feedback network remain compatible with the amplifier's input and bias-current characteristics. The verified maximum offset voltage of 500 µV supports precision-oriented designs, and internally compensated voltage-follower operation simplifies implementation. For instrumentation-grade accuracy, engineers should still evaluate input bias current, offset drift, noise, common-mode range, settling time, and source leakage because those values are not supplied in the verified excerpts.
Recommended
Industrial Control Analog Front End
The dual TS512IN can amplify two control or diagnostic channels on a 6 V to 30 V supply system, reducing board component count while preserving independent amplifier operation. Its 3 MHz bandwidth and 1.5 V/µs slew rate allow response beyond many slow industrial control loops, but they do not replace proper isolation or surge protection. Keep sensitive inputs away from switching nodes, use solid ground-plane returns, verify the industrial temperature range from the full datasheet, and add external protection where transients exceed the device ratings.
Recommended
Low-Frequency Voltage-Follower Stage
The TS512IN is explicitly suited to voltage-follower configurations because frequency and phase compensation are integrated on the chip. A follower can reduce source loading between a high-impedance source and a downstream measurement path, while the dual package supports two isolated channels. The 3 MHz gain-bandwidth product is substantially above many low-frequency measurement requirements, but practical performance still depends on output load, source impedance, input capacitance, common-mode voltage, and the output-voltage headroom available from the selected supply.
Recommended
Recommended Products Summary
Engineering reference data for TS512IN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 8-pin Mini DIP |
| Brand | STMicroelectronics |
| Amplifier Channels | 2 |
| Gain-Bandwidth Product | 3 MHz |
| Slew Rate | 1.5 V/µs |
| Maximum Input Offset Voltage | 500 µV |
| Supply Voltage Range | 6 V to 30 V |
| Internal Phase Compensation | Yes |
| Short-Circuit Protection | Yes |
| Internal ESD Protection | Yes |
Key Differentiators
- Verified precision offset ceiling (vs Generic dual operational amplifier)
- Purposeful speed for precision signal paths (vs LM358D)
- Simplified follower implementation (vs Externally compensated dual amplifier)
Design Notes
Keep each operational amplifier's input, feedback, and compensation-related nodes physically short and away from the opposite channel and high-current return paths. For a dual amplifier in an 8-pin Mini DIP, route sensitive non-inverting inputs before distributing them, maintain a continuous ground reference, and place optional bypass capacitors near the supply pins. The internally compensated architecture removes the need for an external compensation network, but long feedback loops can still increase noise pickup and susceptibility to oscillation.
Choose the supply so signal levels remain inside the verified common-mode input and output-swing limits; the verified excerpt supplies a 6 V to 30 V operating range but not those rail-to-rail boundaries. For ±15 V operation, verify dual-supply sequencing and ensure no input exceeds the applicable absolute maximum during power transitions. Decouple each supply rail locally and evaluate whether bypass capacitance is effective at the frequencies where the amplifier and surrounding circuitry require it.
The 3 MHz gain-bandwidth product is not the closed-loop bandwidth at every gain, and the 1.5 V/µs slew rate can become the limiting factor for large-signal steps. Simulate the intended noise gain with realistic source and load impedances, then check stability and settling in hardware. Avoid excessive capacitive loading directly on the output; if capacitive isolation is required, confirm operation across the full capacitive-load range before release.
Do not treat a same-package dual amplifier as automatically replaceable without comparing pin functions and electrical limits. Confirm input common-mode range, output swing, input bias current, offset over temperature, noise, output current, and supply-current limits from each candidate datasheet. Also verify package row spacing and pin orientation because Mini DIP, SOIC, and other 8-pin packages share a pin count but not a footprint. No drop-in alternative was asserted because the supplied cross-reference data did not verify one.
Compliance Information
The verified excerpts describe ESD protection but do not provide RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is not applicable to this general-purpose amplifier designation based on the supplied ordering information.
