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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

STMicroelectronics TSX564AIYPT

Name: TSX564AIYPT
Brand: STMicroelectronics
SKU: TSX564AIYPT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSX564AIYPT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-TSSOP (0.173", 4.40mm Width)

Datasheet:: TSX564AIYPT.pdf

Description:: IC CMOS 4 CIRCUIT 14TSSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TSX564AIYPT from STMicroelectronics is a quad-channel, rail-to-rail input micropower CMOS operational amplifier optimized for high-impedance sensor interfaces and automotive signal conditioning. It delivers 900 kHz gain bandwidth at 250 µA per channel (16 V), 600 µV max input offset voltage (enhanced "A" version), 1 pA typical input bias current, and operates across –40 °C to +125 °C.

For engineers reviewing the TSX564AIYPT datasheet, TSX564AIYPT pinout, TSX564AIYPT application, or TSX564AIYPT equivalent, this device is selected for precision analog front-ends where low power, wide supply range (3–16 V), ESD robustness (4 kV HBM), and stable performance over temperature are critical design requirements.

Technical Context

The TSX564AIYPT uses complementary PMOS/NMOS input stages enabling rail-to-rail input common-mode range from (V_CC−) −0.1 V to (V_CC+) +0.1 V, with optimal performance maintained up to (V_CC+) −1.5 V. Its 900 kHz GBP and 1.1 V/µs slew rate support active filtering and medium-speed instrumentation loops without phase reversal.

It features 76–95 dB CMRR at 16 V, 85 dB large-signal voltage gain, and 0.0005% THD+N at 5 V_PP, making it suitable for high-fidelity signal conditioning in harsh environments. Input offset drift is specified at 2–12 µV/°C over –40 °C to +125 °C, supporting accurate DC-coupled measurements.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3 V to 16 V - supports direct interface with 3.3 V, 5 V, and 12 V industrial and automotive rails without level shifting.
Gain Bandwidth Product	900 kHz typ. at 16 V - enables stable unity-gain buffers and 2nd-order active filters up to ~100 kHz with adequate phase margin.
Input Offset Voltage	600 µV max at 25 °C (A version) - reduces DC error in precision transducer amplification and bridge sensor circuits.
Input Bias Current	1 pA typ. - preserves signal integrity when driving from high-impedance sources like pH electrodes or piezoelectric sensors.
ESD Robustness	4 kV HBM - eliminates need for external protection in automotive body control modules and industrial I/O terminals.
Operating Temperature	–40 °C to +125 °C - qualified for under-hood automotive and factory-floor embedded systems without derating.
Quiescent Current	250 µA per channel at 16 V - allows four independent channels in battery-powered data loggers with <1 mA total analog front-end draw.

Pinout & Package

TSSOP14 package: 4.4 mm × 5.0 mm × 1.2 mm body, 0.65 mm pitch, thermally enhanced with exposed pad (not electrically connected).

Pin/Terminal	Circuit Role	Design Meaning
1	Inverting input (Ch1)	Accepts differential signal reference; rail-to-rail capable down to V_CC− −0.1 V.
2	Non-inverting input (Ch1)	High-impedance node for sensor connection; 1 pA bias current minimizes loading error.
3	Output (Ch1)	Capable of sourcing/sinking ≥30 mA at 16 V - drives 10 kΩ loads with <100 mV saturation.
4	V_CC−	Ground or negative supply rail; common return for all four channels and decoupling caps.
5	Non-inverting input (Ch2)	Independent channel input; identical specs to Pin 2 - enables dual-sensor differential pairs.
6	Inverting input (Ch2)	Matches Pin 1 behavior; supports matched feedback networks for consistent gain accuracy.
7	Output (Ch2)	Full rail-to-rail swing output; 1.1 V/µs slew rate ensures fidelity for 10 kHz step responses.
8	Output (Ch3)	Third independent output; shares same supply pins - requires local 10 nF decoupling per V_CC+/V_CC−.
9	Inverting input (Ch3)	Enables three-channel simultaneous acquisition (e.g., 3-phase motor current sensing).
10	Non-inverting input (Ch3)	Supports multi-channel sensor arrays with shared reference architecture.
11	V_CC+	Positive supply rail; accepts 3–16 V; thermal resistance 100 °C/W (TSSOP14) limits power dissipation to ~300 mW.
12	Non-inverting input (Ch4)	Fourth channel input; enables full-bridge signal conditioning with dedicated chopper-stabilized path.
13	Inverting input (Ch4)	Matches Pin 1/6/9 - allows identical feedback topology across all four op-amps for production calibration.
14	Output (Ch4)	Final channel output; specified THD+N = 0.0005% at 5 V_PP - suitable for audio-grade preamplification stages.

Key Features

Feature	Design Value
Rail-to-rail input stage	Extends usable input range to (V_CC−) −0.1 V to (V_CC+) +0.1 V - captures full dynamic range of single-supply sensors without clamping.
Enhanced offset voltage grade	600 µV max at 25 °C (TSX564A) - cuts initial DC error by 40% vs. standard TSX564, reducing calibration overhead in medical devices.
Ultra-low input bias current	1 pA typical - avoids >100 mV error when interfacing with 1 GΩ source impedances (e.g., capacitive humidity sensors).
Automotive qualification	AEC-Q100 Grade 1 compliant - validated for 15-year operation in engine control units and ADAS domain controllers.
Wide supply voltage range	3 V to 16 V operation - eliminates separate LDOs in mixed-voltage systems (e.g., 3.3 V MCU + 12 V actuator interface).

Applications

Automotive Cabin Sensors

Industrial Pressure Transducers

Use Scenario: Monitoring cabin air quality via electrochemical CO₂ and VOC sensors with high-impedance outputs.

IC Role / Device Role / Timing Role: Quad-channel buffer and differential amplifier for four independent sensor elements, rejecting common-mode noise on long harnesses.

Use Value: 1 pA input bias current prevents sensor polarization; 4 kV ESD rating survives assembly handling and field ESD events near HVAC vents.

Use Scenario: Signal conditioning for piezoresistive pressure sensors in hydraulic control valves.

IC Role / Device Role / Timing Role: Instrumentation amplifier front-end with matched TSX564AIYPT channels implementing 3-op-amp topology.

Use Value: 600 µV max V_IO ensures <0.1% FS error at 100 bar full scale; –40 °C to +125 °C operation covers valve ambient extremes.

Medical Patient Monitoring

Active Filtering in Motor Drives

Use Scenario: Amplifying low-level biopotentials (ECG, EMG) from dry electrodes with minimal skin prep.

IC Role / Device Role / Timing Role: First-stage AC-coupled amplifier with high-pass filtering and gain; rail-to-rail input captures sub-mV signals near ground.

Use Value: 55 nV/√Hz input noise at 1 kHz preserves SNR for 0.5 µV RMS ECG signals; 125 °C rating supports sterilization validation.

Use Scenario: Implementing 2nd-order Sallen-Key anti-aliasing filters before ADC sampling in servo drive feedback loops.

IC Role / Device Role / Timing Role: Unity-gain stable filter amplifier with 900 kHz GBP ensuring <0.1° phase error at 10 kHz cutoff.

Use Value: 1.1 V/µs slew rate supports 10 V step response in <10 µs; 0.0005% THD+N prevents harmonic distortion in current loop reconstruction.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad micropower op-amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TSX564IYPT	Standard version: 1 mV max V_IO at 25 °C (vs. 600 µV for TSX564A); otherwise identical specs and pinout.	Suitable for cost-sensitive industrial controls where ±0.5% system accuracy suffices.	Select when offset calibration is performed at system level and BOM cost reduction is prioritized over factory-trimmed precision.
MCP6004-E/ST	Lower GBP (1 MHz), higher quiescent current (100 µA), no AEC-Q100 qualification; 1.6 V to 6 V supply only.	Limited to 3.3 V/5 V consumer and non-automotive embedded systems.	Choose only for low-voltage, non-automotive designs where 125 °C operation and 16 V tolerance are unnecessary.

Compared with TSX564IYPT, the TSX564AIYPT provides tighter offset control for uncalibrated sensor nodes; versus MCP6004-E/ST, it enables wider supply flexibility, higher temperature resilience, and automotive-grade reliability - critical for safety-critical signal chains.

Availability

TSX564AIYPT is available at Aetrix Electronics and suitable for automotive cabin electronics, industrial pressure monitoring, medical patient interfaces, and motor drive signal conditioning requiring stable component supply across extended temperature and voltage ranges.

Supply support for TSX564AIYPT 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 sensor solutions for industrial, automotive, and consumer markets.

The TSX56x series belongs to ST's precision analog portfolio, engineered specifically for low-power, high-accuracy signal conditioning in harsh environments - emphasizing rail-to-rail operation, wide supply range, and automotive qualification.

FAQ

What is the maximum capacitive load the TSX564AIYPT can drive while maintaining stability?

The TSX564AIYPT maintains ≥55° phase margin with up to 100 pF capacitive load at 12 V supply, as confirmed in Figure 13 of the datasheet. For loads exceeding 100 pF, a series resistor (≥10 Ω) between output and capacitor is required to preserve stability in unity-gain configurations.

Does the TSX564AIYPT support true rail-to-rail output swing?

No - the TSX564AIYPT features rail-to-rail *input* only. Output swing is specified as 70 mV from each rail (V_OH/V_OL) under 10 kΩ load, meaning minimum output swing is V_CC− + 70 mV to V_CC+ − 70 mV at 25 °C. This is sufficient for most 12-bit ADC interfaces but not for zero-crossing detection near supply rails.

How does the input offset voltage drift behave over temperature?

Input offset voltage drift is guaranteed at 2–12 µV/°C over –40 °C to +125 °C (Table 4–6). The typical drift is 5 µV/°C, and the maximum is calculated using ΔV_IO/ΔT = (V_IO@T − V_IO@25°C)/(T − 25°C), with worst-case measured values capped at 1800 µV across the full range for the "A" version.

Can the TSX564AIYPT be used in single-supply 3.3 V applications with AC-coupled inputs?

Yes - its rail-to-rail input allows common-mode voltages from –0.1 V to 3.4 V at 3.3 V supply, and its 235 µA typical supply current per channel enables battery-powered portable instruments. AC coupling is recommended to avoid violating the (V_CC+) −1.5 V upper input limit where GBP degrades, preserving bandwidth in follower or gain-of-2 configurations.

TSX564AIYPT 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:: CMOS

Number of Circuits:: 4

Output Type:: Rail-to-Rail

Slew Rate:: 1.1V/µs

Gain Bandwidth Product:: 900 kHz

-3db Bandwidth:: -

Current - Input Bias:: 1 pA

Voltage - Input Offset:: 600 µV

Current - Supply:: 250µA

Current - Output / Channel:: 92 mA

Voltage - Supply Span (Min):: 3 V

Voltage - Supply Span (Max):: 16 V

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

TSX564AIYPT FAQ

1.How can I place an order for TSX564AIYPT through Aetrix?

Please submit a Request for Quotation (RFQ) for TSX564AIYPT 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 TSX564AIYPT reliable?

The price and inventory of TSX564AIYPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSX564AIYPT is usually 5 days.

3.What payment methods are accepted for TSX564AIYPT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSX564AIYPT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSX564AIYPT?

TSX564AIYPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSX564AIYPT 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 TSX564AIYPT?

For technical support, including TSX564AIYPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSX564AIYPT requirements.

6.How does Aetrix verify that TSX564AIYPT is sourced from the original manufacturer or authorized distributors?

All TSX564AIYPT 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 TSX564AIYPT meets industry standards.

7.What is the process for return or replacement of TSX564AIYPT?

All TSX564AIYPT units undergo pre-shipment inspection (PSI). If there is an issue with TSX564AIYPT, 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 TSX564AIYPT part is unused and in its original packaging.

Return procedure for TSX564AIYPT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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