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STMicroelectronics TS522IN
- Part No.:
- TS522IN
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TS522IN.pdf
- Description:
- IC AUDIO 2 CIRCUIT 8MINI DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,008
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Product details
Overview
TS522IN from STMicroelectronics is a precision dual operational amplifier optimized for high-fidelity audio signal conditioning, featuring 4.5 nV/√Hz input voltage noise, ±14.6 V output swing (±15 V supply), and 15 MHz gain bandwidth product. It operates over -40 °C to +125 °C in DIP8 package with rail-to-rail compatible output stage and symmetrical sourcing/sinking capability.
For engineers reviewing the TS522IN datasheet, TS522IN pinout, TS522IN application, or TS522IN equivalent, key selection criteria include low THD (0.002%), high CMRR (100 dB), wide common-mode range (±14 V), and robust ESD protection (2 kV HBM) - all critical for low-distortion analog front-ends and professional audio interfaces.
Technical Context
The TS522IN integrates two matched, internally compensated op-amps on a single monolithic die, each with unity-gain-stable architecture and 9 MHz open-loop bandwidth. Its input stage uses bipolar transistor pairs to achieve low offset (850 µV max) and ultra-low voltage noise, while the Class AB output stage delivers ±29 mA short-circuit current and maintains stability into 600 Ω loads.
Designed for dual-supply operation (±2.5 V to ±15 V), it exhibits excellent power supply rejection (105 dB) and thermal stability (2 µV/°C offset drift), enabling DC-coupled gain stages and active filters without significant drift-induced baseline shift across industrial temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain bandwidth product | 15 MHz - supports stable closed-loop gain up to 10× at 1.5 MHz or unity gain at 15 MHz for wideband audio preamp design |
| Slew rate | 7 V/µs - enables full-swing 20 kHz sine output at >27 Vpp without slewing distortion |
| Input voltage noise | 4.5 nV/√Hz - preserves signal integrity in microphone preamplifiers and phono stages where source impedances are ≤10 kΩ |
| Output voltage swing | ±14.6 V (±15 V supply) - delivers >29 Vpp headroom into 2 kΩ, minimizing clipping in line-level audio paths |
| THD | 0.002% - meets professional audio requirements for <100 dB SNR in 20 Hz–20 kHz band at 3 Vrms output |
| CMRR | 100 dB - rejects common-mode interference in balanced input configurations with asymmetric PCB routing |
| ESD rating | 2 kV HBM - provides built-in handling robustness during manual assembly and board-level integration |
Pinout & Package
DIP8 plastic package (10.92 mm × 7.95 mm body, 2.54 mm lead pitch), through-hole mount, RoHS-compliant ECOPACK® grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting input (Amplifier 1) | Differential input node referenced to non-inverting input; requires matched trace impedance for noise rejection |
| 2 | Non-inverting input (Amplifier 1) | High-impedance input (175 kΩ) with 12 pF capacitance; sensitive to layout-induced coupling |
| 3 | Output (Amplifier 1) | Class AB output capable of ±29 mA sink/source; stable with ≥600 Ω load and ≤100 pF capacitance |
| 4 | VCC− | Negative supply rail connection; must be decoupled locally with ≥100 nF ceramic capacitor |
| 5 | Inverting input (Amplifier 2) | Independent differential input; electrically isolated from Amp1 except via shared supply and substrate |
| 6 | Non-inverting input (Amplifier 2) | Identical electrical characteristics to Pin 2; supports dual-channel identical gain configuration |
| 7 | Output (Amplifier 2) | Matched performance to Pin 3; channel separation >120 dB ensures minimal crosstalk in stereo applications |
| 8 | VCC+ | Positive supply rail connection; shares thermal path with both amplifiers; requires symmetric decoupling |
Key Features
| Feature | Design Value |
|---|---|
| Low input offset voltage | 850 µV max ensures ≤1.7 mV DC error in 20× gain instrumentation amplifier configurations |
| Symmetrical output drive | ±29 mA short-circuit current enables driving capacitive cables and transformer-coupled outputs without asymmetry-induced distortion |
| Wide common-mode range | ±14 V allows direct interfacing with ±12 V DAC outputs or ±10 V sensor signals without level-shifting circuitry |
| High PSRR | 105 dB suppresses ripple and noise from shared power rails in multi-amplifier audio subsystems |
| Stable into 600 Ω | Guaranteed phase margin >30° with 100 pF load permits direct connection to consumer audio inputs without external isolation resistors |
Applications
| Professional Audio Mixer Channel Strip | Studio Microphone Preamp |
|---|---|
Use Scenario: Dual-channel analog signal path in 16-channel rack-mount mixer with switchable gain, EQ, and dynamics processing. IC Role / Device Role / Timing Role: Primary gain block and summing amplifier in input channel; second amplifier used for insert send/return buffering. Use Value: 0.002% THD and 120 dB channel separation prevent inter-channel crosstalk and preserve dynamic range across full mix bus. | Use Scenario: Low-noise, high-gain front-end for condenser microphone capsules requiring 48 V phantom power and 60 dB+ gain. IC Role / Device Role / Timing Role: First-stage transimpedance amplifier and second-stage gain stage with active filtering. Use Value: 4.5 nV/√Hz input noise dominates only above ~200 Ω source impedance, enabling clean 110 dB SPL capture at 200 Ω capsule impedance. |
| Industrial Sensor Signal Conditioning | Medical ECG Analog Front-End |
Use Scenario: Isolated bridge sensor interface in weigh scale controller with 24-bit delta-sigma ADC and digital compensation. IC Role / Device Role / Timing Role: Precision instrumentation amplifier core (dual-opamp topology) and reference buffer for ratiometric excitation. Use Value: 2 µV/°C offset drift minimizes calibration frequency; ±14 V swing accommodates full-scale bridge output under varying temperature. | Use Scenario: Biopotential acquisition module with 500× total gain, 0.05–150 Hz bandpass, and right-leg drive feedback. IC Role / Device Role / Timing Role: High-CMRR differential amplifier (Amp1) and active filter/anti-aliasing stage (Amp2). Use Value: 100 dB CMRR rejects 50/60 Hz mains interference; low input bias (750 nA max) prevents electrode polarization errors in dry-sensor configurations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NE5532AD | Higher input bias (800 nA typ vs. 750 nA max), lower GBP (10 MHz), higher THD (0.005%) | Widely used in legacy pro-audio gear but less suitable for low-impedance sensor interfaces due to bias current sensitivity | Select when cost sensitivity outweighs noise/precision needs and legacy footprint compatibility is required |
| OPA2134PA | FET-input (50 pA bias), lower noise (8 nV/√Hz), lower slew rate (20 V/µs), higher supply current (4 mA per amp) | Better for ultra-high-impedance sources (e.g., piezoelectric sensors); unsuitable for high-slew, low-THD line drivers | Select for JFET-input requirements or when input bias must be <100 pA; avoid for full-swing 20 kHz audio line driving |
Compared with NE5532AD and OPA2134PA, TS522IN offers superior voltage noise density and THD for bipolar-source audio paths, tighter offset drift for uncalibrated industrial systems, and integrated ESD protection absent in older-generation alternatives - making it optimal for new designs prioritizing fidelity, stability, and assembly robustness.
Availability
TS522IN is available at Aetrix Electronics and suitable for professional audio equipment, industrial sensor signal conditioning, medical biopotential acquisition, and test & measurement instrumentation requiring stable component supply across extended temperature ranges.
Supply support for TS522IN 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 microcontrollers, analog ICs, MEMS, and power devices for automotive, industrial, and consumer markets.
The TS522 belongs to ST's precision analog amplifier product line, engineered specifically for high-SNR, low-distortion signal chains in audio, instrumentation, and medical applications where DC accuracy and AC fidelity are jointly critical.
FAQ
What is the maximum recommended supply voltage for continuous operation of TS522IN?
The absolute maximum supply voltage is ±18 V, but continuous operation must remain within the operating condition limit of ±15 V. Exceeding ±15 V risks parametric degradation and reduced long-term reliability, even if transiently within absolute ratings. Thermal derating applies above 70 °C ambient, requiring junction temperature monitoring per RthJA = 85 °C/W (DIP8).
Can TS522IN drive a 600 Ω load at full output swing without stability issues?
Yes - the datasheet guarantees stable operation into 600 Ω loads with ±14.6 V swing at ±15 V supply, and phase margin remains >30° with 100 pF capacitive load. For sustained full-power operation, ensure PCB layout minimizes ground inductance and use local 100 nF ceramic decoupling at Pins 4 and 8 to maintain PSRR and prevent oscillation.
Does TS522IN support single-supply operation?
No - TS522IN is specified exclusively for dual-supply operation (±2.5 V to ±15 V). Its input common-mode range extends only to ±14 V and output cannot swing to either rail. Single-supply use would violate Vicm and Vopp limits, causing clipping and increased distortion; dedicated rail-to-rail input/output op-amps like TS912 should be selected instead.
How does the 2 kV HBM ESD rating impact board-level handling and assembly?
The 2 kV HBM rating means TS522IN withstands typical electrostatic discharges encountered during manual PCB handling and through-hole insertion without internal junction damage. However, it does not eliminate need for standard ESD controls (wrist straps, grounded workstations); it reduces risk of latent failures during low-volume prototyping but not immunity to direct discharge events exceeding specification.
TS522IN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- Audio
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 7V/µs
- Gain Bandwidth Product:
- 15 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 250 nA
- Voltage - Input Offset:
- 850 µV
- Current - Supply:
- 4mA
- Current - Output / Channel:
- 37 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-Mini DIP
TS522IN FAQ
1.How can I place an order for TS522IN through Aetrix?
Please submit a Request for Quotation (RFQ) for TS522IN 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 TS522IN reliable?
The price and inventory of TS522IN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TS522IN is usually 5 days.
3.What payment methods are accepted for TS522IN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TS522IN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TS522IN?
TS522IN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TS522IN 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 TS522IN?
For technical support, including TS522IN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TS522IN requirements.
6.How does Aetrix verify that TS522IN is sourced from the original manufacturer or authorized distributors?
All TS522IN 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 TS522IN meets industry standards.
7.What is the process for return or replacement of TS522IN?
All TS522IN units undergo pre-shipment inspection (PSI). If there is an issue with TS522IN, 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 TS522IN part is unused and in its original packaging.
Return procedure for TS522IN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TS522IN Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
Texas Instruments
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LM358ADR
Texas Instruments
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LM2904DGKR
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LM324DR
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
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LM324PWR
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LM2902PWR
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LM2902DR
Texas Instruments
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LM358P
Texas Instruments
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