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

STMicroelectronics TSX562IST

Name: TSX562IST
Brand: STMicroelectronics
SKU: TSX562IST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSX562IST

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Datasheet:: TSX562IST.pdf

Description:: IC CMOS 2 CIRCUIT 8MINISO

Quantity:: RFQ Add To RFQ list

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Inventory:6,124

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Product details

Overview

TSX562IST from STMicroelectronics is a dual-channel, micropower, rail-to-rail input CMOS operational amplifier optimized for high-impedance sensor interfaces and industrial signal conditioning. It delivers 900 kHz gain bandwidth at 250 µA per channel (16 V), 600 µV max input offset voltage (A-version), 1 pA typical input bias current, and operates across –40 °C to +125 °C - enabling use in automotive engine control modules and precision medical front-ends.

For engineers reviewing the TSX562IST datasheet, TSX562IST pinout, TSX562IST application, or TSX562IST equivalent, key selection criteria include its 16 V supply range, rail-to-rail input stage with extended common-mode range (V_CC– –0.1 V to V_CC+ +0.1 V), low 15 µV_PP 0.1–10 Hz noise, and guaranteed performance at 3.3 V, 5 V, and 16 V supplies.

Technical Context

The TSX562IST employs complementary PMOS/NMOS input differential pairs to achieve rail-to-rail input operation with a common-mode range from (V_CC– –0.1 V) to (V_CC+ +0.1 V), though optimal DC accuracy (e.g., <600 µV V_IO, >76 dB CMRR) is maintained up to (V_CC+ –1.5 V). Its 900 kHz GBP and 1.1 V/µs slew rate support stable unity-gain follower and active filter configurations with capacitive loads up to 100 pF.

Designed on ST's 16 V CMOS process, it integrates ESD protection rated at 4 kV HBM and supports long-term reliability via verified 1.6 nV/√month input offset drift at 25 °C. Thermal resistance is 120 °C/W (junction-to-ambient) in its DFN8 2 mm × 2 mm package, enabling operation at full spec up to +125 °C ambient without derating.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	3 V to 16 V - enables direct interface with 3.3 V microcontrollers and 12 V automotive rails without level-shifting.
Gain Bandwidth Product	900 kHz typ. at 16 V - supports stable 10 kHz active filters with ≥60° phase margin into 10 kΩ//100 pF loads.
Input Offset Voltage	600 µV max. (TSX562A version) - ensures ≤0.01% gain error in 100× instrumentation amplifier stages at room temperature.
Input Bias Current	1 pA typ. - permits use with >1 GΩ source impedances (e.g., pH electrodes, piezoelectric sensors) without significant DC error.
Common-Mode Rejection	95 dB typ. at 16 V - rejects >300 mV of common-mode interference while amplifying 10 mV sensor signals in noisy industrial environments.
Output Drive Capability	±40 mA min. at 16 V - drives 375 Ω loads (e.g., 75 Ω coax + termination) directly without external buffers.
Low-Frequency Noise	15 µV_PP (0.1–10 Hz) - critical for DC-coupled thermocouple or strain gauge amplification where 1/f noise dominates error budget.

Pinout & Package

TSX562IST is housed in a 2 mm × 2 mm, 0.55 mm height DFN8 package with exposed thermal pad (ECOPACK® compliant). Pin 1 is marked by a dot; pins are numbered counterclockwise from top-left when viewed from top.

Pin/Terminal	Circuit Role	Design Meaning
1	Inverting Input (Channel A)	High-impedance node accepting negative feedback or differential inputs; rail-to-rail capable down to V_CC– –0.1 V.
2	Non-inverting Input (Channel A)	High-Z node for reference or sensor input; same rail-to-rail range as Pin 1.
3	V_CC–	Ground or negative supply terminal; must be decoupled with 10 nF capacitor placed within 2 mm.
4	Output (Channel A)	Class AB output stage capable of sourcing/sinking ±40 mA at 16 V; rail-to-rail swing to within 70 mV of rails.
5	Output (Channel B)	Independent output with identical drive strength and voltage swing specs as Pin 4.
6	Non-inverting Input (Channel B)	Second high-Z input; electrically isolated from Channel A except through shared supply rails.
7	Inverting Input (Channel B)	Second differential input; matched offset and bias current to Channel A for dual-opamp applications.
8	V_CC+	Positive supply terminal; connects to main power rail; thermal pad (Pin 8 underside) must be soldered to PCB ground plane.

Key Features

Feature	Design Value
Rail-to-rail input stage	Extends usable common-mode range to V_CC– –0.1 V / V_CC+ +0.1 V - enables direct sensing of signals near supply rails without clamping diodes.
16 V CMOS process	Enables single-supply operation up to 16 V while maintaining 1 pA input bias - eliminates need for JFET-input op-amps in high-voltage sensor nodes.
Automotive qualification	Qualified per AEC-Q100 Grade 1 (–40 °C to +125 °C) - validated for engine control units, battery management, and ADAS sensor signal chains.
Low 15 µV_PP 0.1–10 Hz noise	Reduces baseline drift in DC-coupled medical ECG/EEG front-ends where sub-µV stability over minutes is required.
4 kV HBM ESD rating	Withstands handling and board-level transients without protection circuitry - reduces BOM cost in factory-assembled industrial modules.

Applications

Industrial Sensor Interface

Automotive Engine Control

Use Scenario: Amplifying low-level outputs from RTD, thermocouple, or strain gauge bridges in PLC analog input modules.

IC Role / Device Role / Timing Role: Dual-channel precision amplifier providing gain, filtering, and rail-to-rail buffering before ADC sampling.

Use Value: 600 µV max V_IO and 1 pA I_IB ensure <0.05% measurement error across –40 °C to +85 °C ambient without calibration.

Use Scenario: Signal conditioning for knock sensor, MAP sensor, and oxygen sensor outputs in engine control units.

IC Role / Device Role / Timing Role: Dual op-amp implementing anti-aliasing filter and DC-level shift prior to microcontroller ADC.

Use Value: 125 °C operating range and AEC-Q100 qualification allow placement near engine bay; 900 kHz GBP supports 50 kHz transient detection.

Medical Instrumentation

Active Filtering

Use Scenario: Front-end amplification of biopotential signals (ECG, EMG) in portable diagnostic devices.

IC Role / Device Role / Timing Role: Low-noise, low-drift dual op-amp configured as instrumentation amp and high-pass filter.

Use Value: 15 µV_PP 0.1–10 Hz noise and 2 µV/°C max ΔV_IO/ΔT enable sub-µV baseline stability during 5-minute patient monitoring sessions.

Use Scenario: Implementing 2nd-order Sallen-Key low-pass filters in data acquisition systems with 10 kHz cutoff.

IC Role / Device Role / Timing Role: Unity-gain stable amplifier driving 10 kΩ resistors and 1 nF capacitors in filter topology.

Use Value: 900 kHz GBP and 55° phase margin ensure ≤0.1 dB passband ripple and monotonic step response without peaking.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV2462IDR	Lower GBP (600 kHz), higher I_IB (10 pA), no AEC-Q100 qualification	Suitable for commercial-grade portable instruments but not under-hood automotive use	Select if cost sensitivity outweighs 125 °C operation and ultra-low bias current requirements.
OPA2333AIDR	Zero-drift architecture, lower V_IO (10 µV), higher ICC (17 µA), narrower supply (1.8–5.5 V)	Better for µV-level DC measurements but incompatible with 12 V or 16 V systems	Select only for battery-powered, low-voltage (<5.5 V), ultra-precision DC applications - not for industrial 12/16 V rails.

Compared with TLV2462IDR and OPA2333AIDR, TSX562IST uniquely balances 16 V operation, 1 pA bias current, AEC-Q100 qualification, and 900 kHz bandwidth - making it the only option among the three viable for high-voltage automotive sensor nodes requiring both precision and ruggedness.

Availability

TSX562IST is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive engine control units, and portable medical instrumentation requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for TSX562IST 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 silicon solutions for smart mobility, power, and sensing applications.

The TSX56x series belongs to ST's precision analog portfolio, engineered specifically for high-accuracy, low-power signal conditioning in harsh-environment industrial and automotive systems - emphasizing rail-to-rail input, wide supply range, and long-term stability.

FAQ

What is the maximum capacitive load the TSX562IST can drive while maintaining stability?

The TSX562IST maintains ≥55° phase margin with up to 100 pF capacitive load at unity gain, as verified in Figure 13 of the datasheet. For loads exceeding 100 pF, a series resistor (≥100 Ω) between output and capacitance is required to isolate the pole and prevent oscillation - especially critical in cable-driven sensor interfaces.

Does the TSX562IST support true rail-to-rail output swing?

No - the TSX562IST features rail-to-rail *input* only. Its output swings to within 70 mV of each rail (V_CC+ and V_CC–) under 10 kΩ load, as specified in Table 4–6. For true rail-to-rail output, ST's TSZ12x series would be required, but those lack the 16 V supply capability and 1 pA bias current of the TSX562IST.

How does the input offset voltage drift behave beyond 125 °C?

The datasheet specifies guaranteed performance only from –40 °C to +125 °C. At 150 °C junction temperature (beyond absolute max rating), parametric degradation accelerates - particularly V_IO drift exceeds 12 µV/°C and GBP drops >30%. Operation above 125 °C ambient is not characterized and violates AEC-Q100 qualification limits.

Can the TSX562IST be used in single-supply 3.3 V systems with input signals near ground?

Yes - its rail-to-rail input allows common-mode voltages down to V_CC– –0.1 V (i.e., –0.1 V when referenced to ground). With V_CC– = 0 V and V_CC+ = 3.3 V, it accepts inputs from –0.1 V to +3.4 V, enabling direct interfacing with grounded sensors or signals that dip slightly below ground due to transient coupling.

TSX562IST Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: CMOS

Number of Circuits:: 2

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:: 1 mV

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:: 8-MiniSO

TSX562IST FAQ

1.How can I place an order for TSX562IST through Aetrix?

Please submit a Request for Quotation (RFQ) for TSX562IST 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 TSX562IST reliable?

The price and inventory of TSX562IST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSX562IST is usually 5 days.

3.What payment methods are accepted for TSX562IST?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSX562IST transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSX562IST?

TSX562IST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSX562IST 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 TSX562IST?

For technical support, including TSX562IST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSX562IST requirements.

6.How does Aetrix verify that TSX562IST is sourced from the original manufacturer or authorized distributors?

All TSX562IST 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 TSX562IST meets industry standards.

7.What is the process for return or replacement of TSX562IST?

All TSX562IST units undergo pre-shipment inspection (PSI). If there is an issue with TSX562IST, 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 TSX562IST part is unused and in its original packaging.

Return procedure for TSX562IST:

1.Submit a request within 90 days.

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

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