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STMicroelectronics TS982IDWT
- Part No.:
- TS982IDWT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
TS982IDWT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
TS982IDWT from STMicroelectronics is a dual bipolar operational amplifier in SO-8 exposed-pad package, delivering 200 mA output current per channel with rail-to-rail input/output operation across 2.5 V to 5.5 V supply. It features unity-gain stability, 2.2 MHz gain-bandwidth product (at 5 V), and operates from −40 °C to +125 °C - enabling high-current analog signal conditioning in motor driver feedback loops and Hall sensor compensation coils.
For engineers reviewing the TS982IDWT datasheet, TS982IDWT pinout, TS982IDWT application, or TS982IDWT equivalent, this page provides verified electrical specifications, thermal design guidance for the exposed-pad package, real-world use cases in automotive and industrial motion control, and validated alternative op-amps with documented performance trade-offs.
Technical Context
The TS982IDWT integrates two independent high-output-current bipolar op-amps optimized for low-voltage, high-power analog buffering and amplification. Its internal architecture supports stable unity-gain operation into 16 Ω loads while maintaining ≥56° phase margin and ≥18 dB gain margin at 25 °C.
Thermal management is central to its design: the exposed thermal pad must be connected to VCC− (pin 4) and soldered to ≥6 cm² of copper on the PCB top layer to achieve Rthja = 45 °C/W, enabling sustained 200 mA sourcing at +125 °C ambient without exceeding 150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V - enables direct interface with 3.3 V and 5 V microcontrollers and logic systems. |
| Output Current per Channel | 200 mA - drives low-impedance loads such as compensation coils, small solenoids, or Class-AB audio stages without external boost transistors. |
| Gain-Bandwidth Product | 2.2 MHz (typ. at 5 V, RL = 32 Ω) - supports closed-loop bandwidths up to ~1 MHz in gain-of-2 configurations for fast servo error correction. |
| Input Offset Voltage | 1–7 mV (max over temp) - ensures <±10 mV total error in precision current-sense amplifier configurations with 100 mΩ shunts. |
| Common-Mode Rejection Ratio | 75–80 dB - maintains accuracy in noisy industrial environments where common-mode transients exceed ±1 V. |
| Phase Margin | 56° (min at 5 V, RL = 16 Ω, CL = 400 pF) - guarantees stable operation without external compensation in unity-gain follower or inverting configurations. |
| Thermal Resistance (Junction-to-Ambient) | 45 °C/W - achievable only with proper PCB copper area (≥6 cm² top-side) and two-plane layout, critical for automotive under-hood reliability. |
Pinout & Package
TS982IDWT uses an SO-8 exposed-pad plastic micropackage (DW variant) with thermal pad on underside electrically tied to pin 4 (VCC−). The exposed pad must be soldered to a dedicated copper pour connected to the negative supply rail to ensure thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Non-inverting input, Channel 1 | High-impedance input node (IIB ≤ 500 nA) for differential sensing or reference biasing. |
| 2 | Inverting input, Channel 1 | Feedback node for closed-loop gain setting; compatible with rail-to-rail input swing (GND to VCC). |
| 3 | Output, Channel 1 | Capable of sourcing/sinking 200 mA into 16 Ω load with <0.65 V saturation voltage at 5 V supply. |
| 4 | VCC− (negative supply) | Reference ground for bipolar operation; exposed thermal pad must be connected to this pin. |
| 5 | Output, Channel 2 | Independent high-current output identical to pin 3; supports parallel operation for 400 mA total drive. |
| 6 | Inverting input, Channel 2 | Second feedback node; isolated from Channel 1 with >100 dB crosstalk suppression at 1 kHz. |
| 7 | Non-inverting input, Channel 2 | Second high-Z input; usable for dual-sensor interfaces or mirrored signal paths. |
| 8 | VCC+ (positive supply) | Primary power rail; accepts 2.5–5.5 V; supplies both amplifiers and internal bias circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full dynamic range utilization in single-supply systems down to 2.5 V, eliminating level-shifting circuitry in sensor front-ends. |
| Unity-gain stable | Operates reliably without external compensation in follower, integrator, or active filter configurations - reducing BOM count and layout complexity. |
| SO-8 exposed thermal pad | Reduces thermal resistance by >50% vs. standard SO-8, allowing continuous 200 mA output at +125 °C ambient when properly mounted. |
| High PSRR (95 dB) | Maintains output accuracy despite ripple on 3.3 V or 5 V rails - critical in shared power domains with switching regulators or digital noise sources. |
| Low input offset drift (2 µV/°C) | Minimizes thermal-induced error in precision current sensing over automotive temperature range (−40 °C to +125 °C). |
Applications
| Hall Sensor Compensation | Servo Amplifier Feedback |
|---|---|
|
Use Scenario: Compensating magnetic field drift in brushless DC motor position sensing using Hall-effect sensors. IC Role / Device Role / Timing Role: Dual-channel op-amp providing matched gain and offset correction for two orthogonal Hall outputs. Use Value: Enables <±0.5° angular error over temperature via rail-to-rail output swing driving 100 Ω compensation coils directly. |
Use Scenario: Closed-loop torque control in industrial servo drives using current-sense amplifier output. IC Role / Device Role / Timing Role: High-current buffer amplifying error voltage from PID controller to gate driver input. Use Value: Delivers 200 mA peak current with <1 µs settling time to maintain loop bandwidth >100 kHz under load variation. |
| Automotive Motor Driver | Industrial Actuator Interface |
|
Use Scenario: Driving small solenoid valves or fuel injector test circuits in engine control units. IC Role / Device Role / Timing Role: High-voltage-tolerant output stage interfacing MCU GPIO to inductive load. Use Value: Sustains 200 mA continuous into 16 Ω coil with <0.65 V dropout at 5 V supply, reducing heat sink requirements. |
Use Scenario: Signal conditioning for piezoelectric pressure transducers in hydraulic control systems. IC Role / Device Role / Timing Role: Low-noise, high-PSRR amplifier boosting weak mV-level signals before ADC sampling. Use Value: 17 nV/√Hz input noise and 95 dB PSRR preserve SNR in 24-bit sigma-delta measurement chains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-output-current op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSC1021IYPT | Single-channel, 120 mA output, 1.5 MHz GBW, SO-8 (no exposed pad) | Limited to lower-current applications; lacks thermal robustness for sustained 200 mA at >85 °C ambient | Choose for cost-sensitive, non-automotive designs where thermal load is moderate and dual-channel not required. |
| LM7332MAX/NOPB | Dual-channel, 60 mA output, 20 MHz GBW, SO-8 (standard) | Higher bandwidth but insufficient output drive; requires external transistor stage for >100 mA loads | Prefer when wideband signal integrity dominates over output current - e.g., active filters or high-speed comparators. |
Compared with TS982IDWT, TSC1021IYPT trades output current and thermal capability for lower cost and single-channel simplicity, while LM7332MAX/NOPB prioritizes speed over drive strength - making TS982IDWT uniquely suited for thermally demanding, high-current analog output stages in automotive and industrial motion control.
Availability
TS982IDWT is available at Aetrix Electronics and suitable for automotive motor control, industrial servo feedback, and Hall-effect sensor compensation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TS982IDWT 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, mixed-signal, power, and microcontroller solutions for automotive, industrial, and consumer markets.
The TS982 belongs to ST's high-reliability analog amplifier product line, engineered specifically for robust, high-current signal conditioning in harsh environments - including under-hood automotive and factory-floor industrial applications.
FAQ
Can TS982IDWT operate from a single 3.3 V supply?
Yes. TS982IDWT is fully specified from 2.5 V to 5.5 V supply, including 3.3 V operation. At VCC = 3.3 V, it delivers 200 mA output current with VOH ≥ 2.64 V and VOL ≤ 0.52 V into 16 Ω, maintaining rail-to-rail input/output swing and unity-gain stability per the datasheet's Table 4.
What is the required PCB layout for the exposed thermal pad?
The exposed pad must be soldered to a minimum 6 cm² copper area on the top PCB layer, electrically connected to pin 4 (VCC−). For optimal thermal performance (Rthja = 45 °C/W), use a 4-layer board with two internal power planes and multiple thermal vias under the pad - as validated in ST's Figure 42 and Section 3.4.
Is parallel operation of both channels supported?
Yes. The datasheet explicitly describes parallel configuration (Figure 43) to combine outputs for 400 mA total drive. Both amplifiers must share identical feedback networks and input signals; mismatched gains or phase shifts may cause instability or current imbalance.
Does TS982IDWT meet AEC-Q100 automotive qualification?
No - TS982IDWT is the industrial-grade version (−40 °C to +125 °C). The automotive-qualified variant is TS982IYDWT, which undergoes additional screening per AEC-Q100 and AEC-Q001/Q002 standards. TS982IDWT is not certified for automotive safety-critical applications.
TS982IDWT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.7V/µs
- Gain Bandwidth Product:
- 2.2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 200 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 5.5mA (x2 Channels)
- Current - Output / Channel:
- 200 mA
- Voltage - Supply Span (Min):
- 2.5 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-SO
TS982IDWT FAQ
1.How can I place an order for TS982IDWT through Aetrix?
Please submit a Request for Quotation (RFQ) for TS982IDWT 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 TS982IDWT reliable?
The price and inventory of TS982IDWT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TS982IDWT is usually 5 days.
3.What payment methods are accepted for TS982IDWT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TS982IDWT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TS982IDWT?
TS982IDWT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TS982IDWT 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 TS982IDWT?
For technical support, including TS982IDWT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TS982IDWT requirements.
6.How does Aetrix verify that TS982IDWT is sourced from the original manufacturer or authorized distributors?
All TS982IDWT 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 TS982IDWT meets industry standards.
7.What is the process for return or replacement of TS982IDWT?
All TS982IDWT units undergo pre-shipment inspection (PSI). If there is an issue with TS982IDWT, 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 TS982IDWT part is unused and in its original packaging.
Return procedure for TS982IDWT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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