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STMicroelectronics TS974IYPT
- Part No.:
- TS974IYPT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TS974IYPT.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,822
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Product details
Overview
TS974IYPT from STMicroelectronics is a quad rail-to-rail output, very low-noise operational amplifier optimized for audio pre-amplification and portable battery-powered systems. It operates from 2.7 V to 10 V single supply (or ±2.5 V dual), delivers 4 nV/√Hz input voltage noise, 0.003 % THD at 1 kHz, and 12 MHz gain bandwidth with 4 V/µs slew rate - enabling high-fidelity signal conditioning in space-constrained TSSOP14 layouts.
For engineers reviewing the TS974IYPT datasheet, TS974IYPT pinout, TS974IYPT application, or TS974IYPT equivalent, key selection criteria include its rail-to-rail output swing (±2.4 V at ±2.5 V), ultra-low distortion for audio chain integrity, thermal resistance (100 °C/W junction-to-ambient in TSSOP14), and AEC-Q100 qualified automotive-grade reliability.
Technical Context
The TS974IYPT implements a bipolar-input, rail-to-rail output op-amp architecture with internal compensation for unity-gain stability across 2.7–10 V supply range. Its input stage features low input bias current (200–1000 nA) and 5 µV/°C offset drift, while the output stage supports ±2.4 V swing into 2 kΩ load under ±2.5 V rails.
Designed for low-noise analog signal paths, it achieves 60–85 dB common-mode rejection and 60–70 dB supply voltage rejection over full operating temperature (−40 to +125 °C), with phase margin ≥60° and gain margin ≥10 dB at unity gain with 100 pF capacitive load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 10 V single supply - enables direct integration into Li-ion (3.7 V) and multi-cell battery systems without LDO pre-regulation. |
| Input Voltage Noise | 4 nV/√Hz at 100 kHz - preserves SNR in microphone preamps and sensor front-ends where sub-10 nV/√Hz is critical. |
| THD + N | 0.003 % at 1 kHz, RL = 10 kΩ - meets professional audio line-level fidelity requirements without post-filtering. |
| Gain Bandwidth Product | 12 MHz - supports stable closed-loop gain ≥10 at audio frequencies up to 1 MHz with margin. |
| Slew Rate | 4 V/µs - ensures <1 % distortion on 2 Vpp 20 kHz sine waves, critical for wideband instrumentation amplifiers. |
| Output Swing | ±2.4 V at ±2.5 V supply - maximizes dynamic range in low-voltage audio codecs and ADC drivers. |
| ESD Protection | 2 kV HBM - provides robustness against handling discharge in automated PCB assembly lines. |
Pinout & Package
TSSOP14 package: 4.9–5.1 mm × 6.2–6.6 mm body, 0.65 mm pitch, exposed pad optional for thermal enhancement (not electrically connected by default).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (AMP1) | Differential node for first amplifier; requires matched trace impedance in high-Z sensor interfaces. |
| 2 | Non-inverting Input (AMP1) | High-impedance node (≥10⁹ Ω); sensitive to layout parasitics in precision DC-coupled designs. |
| 3 | Output (AMP1) | Rail-to-rail capable; drives ≤2 kΩ loads directly without external buffer stages. |
| 4 | V− (GND for single-supply) | Reference return path; must be low-impedance star point shared with analog ground planes. |
| 5 | Non-inverting Input (AMP2) | Independent input stage; allows dual-channel differential sensing with shared V− reference. |
| 6 | Inverting Input (AMP2) | Configurable as summing node when used with external feedback network. |
| 7 | Output (AMP2) | Phase-matched output with AMP1; supports stereo audio channel pairing without inter-channel skew. |
| 8 | Output (AMP3) | Third independent output; enables 3-channel active filters or multi-path signal routing. |
| 9 | Inverting Input (AMP3) | Isolated from other inputs; prevents crosstalk in mixed-signal PCB layouts. |
| 10 | Non-inverting Input (AMP3) | DC-biased via resistor divider for single-supply operation in sensor signal conditioning. |
| 11 | V+ | Main power rail; decoupling capacitor (100 nF X7R) required within 3 mm of pin for stability. |
| 12 | Non-inverting Input (AMP4) | Final channel input; supports dedicated reference buffer or level-shifting function. |
| 13 | Inverting Input (AMP4) | Configurable as current-to-voltage converter input with feedback resistor to V+. |
| 14 | Output (AMP4) | Full quad output set enables 4-channel audio, multi-axis sensor fusion, or redundant signal paths. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >96 % of full supply range (±2.4 V at ±2.5 V), maximizing ADC utilization in 12-bit+ data acquisition systems. |
| Very low input voltage noise | 4 nV/√Hz enables detection of µV-level signals from piezoelectric sensors without cascaded amplification stages. |
| Ultra-low harmonic distortion | 0.003 % THD ensures minimal spectral contamination in audio mixing consoles and broadcast equipment signal chains. |
| High slew rate & GBW | 4 V/µs slew rate with 12 MHz GBW supports fast-settling pulse amplification in time-of-flight distance sensors. |
| AEC-Q100 qualified | Rated for −40 to +125 °C operation with enhanced screening per AEC Q001/Q002 - suitable for engine control and ADAS camera modules. |
Applications
| Professional Audio Pre-amplifier | Automotive Cabin Microphone Array |
|---|---|
Use Scenario: Low-noise gain stage for condenser microphones in studio recording interfaces. IC Role / Device Role / Timing Role: Quad op-amp configured as four independent mic preamps with 40 dB fixed gain and DC-blocking AC coupling. Use Value: 4 nV/√Hz noise floor preserves transient detail in vocal recordings; rail-to-rail output drives 1.8 V ADC inputs without level-shifting. | Use Scenario: Four-channel beamforming microphone interface in vehicle infotainment voice recognition systems. IC Role / Device Role / Timing Role: Simultaneous analog conditioning of four MEMS mics with matched gain/phase response across channels. Use Value: 0.003 % THD prevents false wake-word triggers; AEC-Q100 rating ensures reliability in cabin temperature cycling. |
| Portable Medical ECG Front-end | Industrial Multi-sensor Signal Hub |
Use Scenario: Biopotential amplifier stage for wearable ECG monitors with dry electrodes. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier core using two TS974IYPT op-amps in 3-op-amp topology. Use Value: 5 µV/°C offset drift minimizes baseline wander over body temperature shifts; 2.7 V min supply extends battery life in coin-cell devices. | Use Scenario: Central analog signal conditioner aggregating outputs from pressure, temperature, and humidity sensors in smart factory nodes. IC Role / Device Role / Timing Role: Quad-channel programmable gain amplifier (PGA) with individual gain-setting resistors per channel. Use Value: Independent input stages prevent cross-talk between sensor domains; 125 °C max operating temp supports deployment near motors or power converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS974IDT | SO14 package, non-automotive grade, Rthja = 105 °C/W vs. 100 °C/W for IYPT | Lacks AEC-Q100 qualification; rated only to +85 °C ambient (not +125 °C) | Select for cost-sensitive industrial controls where extended temperature is not required. |
| TS974IPT | TSSOP14 package, non-automotive grade, identical electrical specs but no AEC screening | No enhanced reliability testing per AEC Q001/Q002; unsuitable for safety-critical automotive zones | Choose for consumer audio docks or test equipment where footprint matches but qualification is unnecessary. |
Compared with TS974IDT and TS974IPT, the TS974IYPT uniquely combines TSSOP14 space efficiency with full AEC-Q100 qualification and 125 °C operation - making it the only option for compact, high-reliability automotive signal conditioning where both size and qualification are mandatory.
Availability
TS974IYPT is available at Aetrix Electronics and suitable for automotive cabin electronics, portable medical monitors, professional audio interfaces, and industrial multi-sensor hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TS974IYPT 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, MCU, power, and sensor solutions for industrial, automotive, and consumer markets.
The TS97x family targets low-voltage, low-noise analog signal conditioning - specifically engineered for battery-powered audio, instrumentation, and sensing applications demanding rail-to-rail output and sub-10 nV/√Hz noise performance.
FAQ
What is the maximum capacitive load the TS974IYPT can drive while maintaining stability?
The TS974IYPT is unity-gain stable with up to 100 pF capacitive load, as verified in Figure 11 and Table 3 of the datasheet. For loads exceeding 100 pF, a series resistor (≥100 Ω) must be placed between the output and capacitance to preserve phase margin ≥60° and prevent oscillation in audio or sensor buffer configurations.
Does the TS974IYPT require external compensation components?
No external compensation is required - the TS974IYPT is internally compensated for unity-gain stability across its full supply range (2.7–10 V). This eliminates the need for external capacitors or resistors in standard inverting/non-inverting configurations, simplifying layout and reducing BOM count in space-constrained TSSOP14 designs.
How does the AEC-Q100 qualification of TS974IYPT differ from standard industrial-grade variants?
The TS974IYPT undergoes additional stress testing per AEC-Q100 Rev G, including accelerated lifetime testing at 125 °C, ESD verification to 2 kV HBM, and board-level thermal cycling - plus screening per AEC-Q001 (process flow) and AEC-Q002 (electrical verification). Standard variants like TS974IPT omit these tests and are rated only to +85 °C ambient.
Can the TS974IYPT operate from a single 3.3 V supply while maintaining rail-to-rail output?
Yes - the TS974IYPT delivers rail-to-rail output swing from 2.7 V to 10 V single supply. At 3.3 V, it achieves ≥3.1 V output swing (≥94 % of rail), verified in Table 3 (VOH/VOL at VCC = 2.5 V/5 V) and Figure 5. This enables direct interfacing with 3.3 V SAR ADCs and low-voltage microcontrollers without level-shifting circuitry.
TS974IYPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 4V/µs
- Gain Bandwidth Product:
- 12 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 200 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2mA (x4 Channels)
- Current - Output / Channel:
- 100 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 10 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
TS974IYPT FAQ
1.How can I place an order for TS974IYPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TS974IYPT 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 TS974IYPT reliable?
The price and inventory of TS974IYPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TS974IYPT is usually 5 days.
3.What payment methods are accepted for TS974IYPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TS974IYPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TS974IYPT?
TS974IYPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TS974IYPT 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 TS974IYPT?
For technical support, including TS974IYPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TS974IYPT requirements.
6.How does Aetrix verify that TS974IYPT is sourced from the original manufacturer or authorized distributors?
All TS974IYPT 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 TS974IYPT meets industry standards.
7.What is the process for return or replacement of TS974IYPT?
All TS974IYPT units undergo pre-shipment inspection (PSI). If there is an issue with TS974IYPT, 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 TS974IYPT part is unused and in its original packaging.
Return procedure for TS974IYPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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