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STMicroelectronics TSV854AIDT
- Part No.:
- TSV854AIDT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSV854AIDT.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,427
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Product details
Overview
TSV854AIDT from STMicroelectronics is a quad-channel, rail-to-rail output operational amplifier with shutdown functionality, designed for precision signal conditioning in space-constrained automotive and industrial systems. It delivers 1.3 MHz gain bandwidth, 0.8 mV max input offset voltage at 25 °C, 180 µA per channel supply current at 5 V, and operates across -40 °C to +125 °C. It is used in battery-powered sensor front-ends requiring low quiescent power and high DC accuracy.
For engineers reviewing the TSV854AIDT datasheet, TSV854AIDT pinout, TSV854AIDT application, or TSV854AIDT equivalent, key selection criteria include shutdown current (≤50 nA), rail-to-rail output swing (≤180 mV from rails), input offset drift (1 µV/°C), extended temperature operation, and SO14 package compatibility with legacy LMV324 layouts.
Technical Context
The TSV854AIDT integrates four independent amplifiers with individual shutdown control pins (SHDN1–SHDN4) enabling per-channel power gating. Its input stage supports common-mode voltage down to VCC− − 0.2 V and up to VCC+ − 1 V, with no phase reversal - critical for single-supply sensor interfaces.
It features a unity-gain-stable architecture with 60° phase margin and 10 dB gain margin into 200 pF capacitive loads, supporting stable active filtering without external compensation. Shutdown mode places outputs in high-impedance state and reduces total supply current to ≤1.5 µA (all channels) over full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.3 V to 5.5 V - enables direct use with Li-ion, 3.3 V, and 5 V rails without LDOs. |
| Gain Bandwidth Product | 1.3 MHz - supports stable closed-loop gain ≥10 up to ~130 kHz in sensor signal chains. |
| Input Offset Voltage (max) | 0.8 mV at 25 °C - eliminates need for system-level trimming in 12-bit ADC front-ends. |
| Shutdown Current (per channel) | 50 nA max at 25 °C - extends battery life >10× vs. non-shutdown op-amps in duty-cycled sensors. |
| Rail-to-Rail Output Swing | ≤180 mV from rails (RL = 10 kΩ) - maximizes dynamic range when interfacing to 3.3 V SAR ADCs. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive and industrial motor-control environments. |
| Common-Mode Input Range | VCC− − 0.2 V to VCC+ − 1 V - accepts ground-referenced transducer signals without level-shifting. |
Pinout & Package
TSV854AIDT is housed in a 14-lead SOIC (SO14) package with standard dual-in-line footprint and 1.27 mm pitch. Pin 1 is marked by a bevelled corner or dot; device orientation follows JEDEC MS-012.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN1+) | Non-inverting input, Channel 1 | Accepts high-impedance sensor signals; supports common-mode down to VCC− − 0.2 V. |
| 2 (IN1−) | Inverting input, Channel 1 | Used for feedback configuration; matched with IN1+ for <2 µV/°C drift tracking. |
| 3 (OUT1) | Output, Channel 1 | Rail-to-rail capable; sinks/source up to 43 mA (5 V); high-Z in shutdown. |
| 4 (VCC−) | Negative supply rail | Typically GND in single-supply designs; must be decoupled with 10 nF ceramic capacitor. |
| 5 (SHDN1) | Shutdown control, Channel 1 | Logic high (≥VCC− + 0.5 V) enables amp; logic low disables and forces output high-Z. |
| 6 (IN2+) | Non-inverting input, Channel 2 | Independent of Channel 1; identical electrical specs and layout rules apply. |
| 7 (IN2−) | Inverting input, Channel 2 | Supports differential input configurations; CMRR ≥70 dB over full temperature range. |
| 8 (OUT2) | Output, Channel 2 | Electrically isolated from OUT1; shares VCC− but has dedicated SHDN2 control. |
| 9 (SHDN2) | Shutdown control, Channel 2 | Enables independent power management per channel - essential for multi-sensor time-multiplexing. |
| 10 (VCC+) | Positive supply rail | Accepts 2.3–5.5 V; internal ESD protection rated to 4 kV HBM on all pins except SHDN. |
| 11 (IN3+) | Non-inverting input, Channel 3 | Same input structure as IN1+/IN2+; validated for medical-grade low-noise biosignal acquisition. |
| 12 (IN3−) | Inverting input, Channel 3 | Paired with IN3+ for precision instrumentation amplifier configurations. |
| 13 (OUT3) | Output, Channel 3 | Delivers 0.7 V/µs slew rate (5 V); supports fast-settling active filters up to 100 kHz. |
| 14 (SHDN3/SHDN4) | Shared shutdown, Channels 3 & 4 | Single pin controls both final amplifiers - simplifies PCB routing in cost-sensitive applications. |
Key Features
| Feature | Design Value |
|---|---|
| Low-power shutdown mode | Reduces per-channel ICC to ≤50 nA - enables microamp-level system sleep states in portable diagnostics. |
| Enhanced input offset voltage | 0.8 mV max at 25 °C (vs. 3–7 mV for LMV324) - improves DC accuracy in strain gauge and thermistor interfaces. |
| Rail-to-rail output stage | Swings within 100 mV of rails at light loads - preserves >95% of full-scale ADC range in 3.3 V systems. |
| Automotive qualification | AEC-Q100 Grade 1 compliant - guaranteed operation from -40 °C to +125 °C with 1.3 kV CDM ESD robustness. |
| Wide supply voltage range | 2.3 V minimum - supports direct connection to partially discharged Li-ion cells (2.5 V) without brownout. |
Applications
| Automotive Cabin Pressure Sensing | Portable ECG Front-End |
|---|---|
|
Use Scenario: Amplifying low-level bridge outputs from MEMS pressure sensors in HVAC control modules. IC Role / Device Role / Timing Role: Quad-channel signal conditioner: two channels for differential pressure sensing, one for temperature compensation, one reserved for diagnostics. Use Value: 0.8 mV VOS ensures <±0.5% full-scale error over temperature; shutdown cuts standby current to <200 nA per sensor path. |
Use Scenario: Biopotential amplification and filtering in handheld electrocardiogram recorders. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier (Ch1/Ch2), high-pass filter (Ch3), and reference buffer (Ch4). Use Value: 1.3 MHz GBP supports 0.05–150 Hz bandpass with <0.1% gain error; rail-to-rail output drives 12-bit SAR ADC directly. |
| Industrial 4–20 mA Loop Transmitter | Battery-Powered Gas Detector |
|
Use Scenario: Converting 0–5 V sensor outputs to 4–20 mA current loop signals with HART modulation capability. IC Role / Device Role / Timing Role: Precision I/V converter (Ch1), loop driver buffer (Ch2), HART sine-wave generator integrator (Ch3), and supply monitor (Ch4). Use Value: 180 µA/channel ICC allows full 4-channel operation within 1 mA loop budget; 125 °C rating supports enclosure mounting near motors. |
Use Scenario: Signal conditioning for electrochemical CO sensors operating on coin-cell batteries. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier (Ch1), baseline correction integrator (Ch2), alarm comparator (Ch3), and power supervisor (Ch4). Use Value: 50 nA shutdown current extends 10-year battery life; 20 nV/√Hz input noise maintains sub-ppm gas concentration resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad op-amp with shutdown applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV324QDRQ1 | No shutdown function; higher VOS (3 mV max); 1 MHz GBP; not AEC-Q100 qualified. | Lacks per-channel power control; unsuitable for duty-cycled sensor nodes requiring ultra-low sleep current. | Select only if shutdown is unnecessary and cost is primary constraint; verify thermal derating above 85 °C. |
| TSV854IPT | TSSOP14 package (4.4 × 5 mm); identical electrical specs; same pinout but smaller footprint. | Enables denser PCB layouts in space-constrained wearables or module-based designs. | Choose for miniaturized assemblies where SO14 thermal mass is excessive or board area is premium. |
Compared with LMV324QDRQ1, TSV854AIDT provides 3.7× lower offset voltage and integrated shutdown, enabling higher-accuracy battery-operated systems; versus TSV854IPT, it trades 30% larger footprint for 25% better thermal dissipation (RthJA = 105 vs. 145 °C/W) in sustained 125 °C environments.
Availability
TSV854AIDT is available at Aetrix Electronics and suitable for automotive cabin electronics, portable medical devices, and industrial loop transmitters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TSV854AIDT 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 automotive, industrial, and consumer markets.
The TSV85x series belongs to ST's precision analog portfolio, engineered specifically for low-voltage, low-power signal conditioning in harsh-environment applications where accuracy, reliability, and temperature resilience are mandatory.
FAQ
What is the maximum capacitive load the TSV854AIDT can drive stably?
The TSV854AIDT maintains ≥60° phase margin with up to 200 pF capacitive load at unity gain (RL = 50 kΩ). For loads >200 pF, external isolation resistor (≥100 Ω) between output and capacitance is required to prevent peaking or oscillation - verified per Figure 10 and Figure 11 in the datasheet.
Can the SHDN pins be tied together for simultaneous channel control?
Yes - SHDN1 and SHDN2 may be wired in parallel for dual-channel control; SHDN3/SHDN4 are internally bonded and share one pin. However, tying all four shutdown inputs risks violating VIH/VIL thresholds if driven by weak sources; use a buffered logic signal or 10 kΩ pull-up to VCC+ for robust operation.
Does the TSV854AIDT support true single-supply operation with input down to ground?
Yes - its input common-mode range extends to VCC− − 0.2 V (i.e., −0.2 V with VCC− = GND), allowing direct interface to ground-referenced sensors like thermistors or resistive bridges without level-shifting circuitry, while maintaining monotonic output behavior across the full range.
How does the 1.3 MHz GBP impact AC performance in active filter designs?
At 1.3 MHz GBP, the TSV854AIDT supports 2nd-order Sallen-Key or MFB filters with cutoff frequencies up to ~100 kHz while maintaining <0.5 dB passband ripple and >40 dB stopband attenuation - confirmed by stability analysis in Figures 8–11 and application note AN4912 for multi-pole topologies.
TSV854AIDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.7V/µs
- Gain Bandwidth Product:
- 1.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 27 nA
- Voltage - Input Offset:
- 800 µV
- Current - Supply:
- 130µA (x4 Channels)
- Current - Output / Channel:
- 70 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:
- 14-SO
TSV854AIDT FAQ
1.How can I place an order for TSV854AIDT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSV854AIDT 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 TSV854AIDT reliable?
The price and inventory of TSV854AIDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV854AIDT is usually 5 days.
3.What payment methods are accepted for TSV854AIDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV854AIDT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSV854AIDT?
TSV854AIDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSV854AIDT 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 TSV854AIDT?
For technical support, including TSV854AIDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV854AIDT requirements.
6.How does Aetrix verify that TSV854AIDT is sourced from the original manufacturer or authorized distributors?
All TSV854AIDT 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 TSV854AIDT meets industry standards.
7.What is the process for return or replacement of TSV854AIDT?
All TSV854AIDT units undergo pre-shipment inspection (PSI). If there is an issue with TSV854AIDT, 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 TSV854AIDT part is unused and in its original packaging.
Return procedure for TSV854AIDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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