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STMicroelectronics TSB572IDT
- Part No.:
- TSB572IDT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSB572IDT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:258
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Product details
Overview
TSB572IDT from STMicroelectronics is a dual rail-to-rail input/output operational amplifier designed for high-voltage industrial and automotive signal conditioning. It operates from 4 V to 36 V, delivers 2.5 MHz gain bandwidth at 380 µA per channel, features ±1.5 mV max input offset voltage, and supports extended temperature range (−40 °C to +125 °C) - enabling precision current sensing in 24 V battery systems.
For engineers reviewing the TSB572IDT datasheet, TSB572IDT pinout, TSB572IDT application, or TSB572IDT equivalent, this page provides verified pin functions, real-world design meaning of key specs (e.g., 2.5 MHz GBP at 36 V with 380 µA, 4 kV HBM ESD rating), package-specific terminal mapping, and two validated automotive-grade alternatives with documented functional trade-offs.
Technical Context
The TSB572IDT uses 40 V BiCMOS process to achieve rail-to-rail input common-mode range (VCC− − 0.1 V to VCC+ + 0.1 V) and output swing within 60 mV of rails at 36 V supply. Its 2.5 MHz gain bandwidth product and 0.88 V/µs negative slew rate are fully characterized across 4–36 V and −40 °C to +125 °C.
Stability is enhanced for capacitive loads up to 500 pF (phase margin ≥45°), and input bias current remains ≤30 nA max over full temperature range - critical for high-impedance sensor interfaces and active filter designs requiring low DC error accumulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4 V to 36 V - supports direct connection to 12 V/24 V automotive batteries and industrial 24–32 V rails without regulation. |
| Gain Bandwidth Product | 2.5 MHz at 36 V - enables stable unity-gain active filters up to ~200 kHz with <5% gain error. |
| Input Offset Voltage | ±1.5 mV max - ensures ≤15 µA error in 10 mΩ shunt-based current sensing at 100 A full scale. |
| Supply Current per Channel | 380 µA typ. at 36 V - allows dual-channel operation under 800 µA total, suitable for always-on automotive modules. |
| Common-Mode Rejection Ratio | 129 dB max at 36 V - rejects >99.9999% of 1 V common-mode noise in differential shunt amplifiers. |
| ESD Robustness | 4 kV HBM - withstands handling and board-level transients in automotive assembly and service environments. |
| Operating Temperature | −40 °C to +125 °C - qualified for engine bay, powertrain, and under-hood applications per AEC-Q100 Grade 1. |
Pinout & Package
TSB572IDT is supplied in SO8 package (8-pin small outline integrated circuit) with exposed pad for thermal enhancement. Pin numbering follows standard SO8 top-view convention (pin 1 marked).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Output of channel 1 - drives feedback network or load; rail-to-rail swing supports full 0–36 V dynamic range. |
| 2 | IN1− | Inverting input of channel 1 - used in transimpedance, difference, or inverting gain configurations. |
| 3 | IN1+ | Non-inverting input of channel 1 - accepts signals from sensors or reference sources up to VCC+ + 0.1 V. |
| 4 | VCC− | Negative supply rail - connects to system ground or −12 V in split-rail configurations; internal ESD diodes clamp to this node. |
| 5 | IN2+ | Non-inverting input of channel 2 - electrically isolated from channel 1; enables dual-sensor monitoring or stereo audio paths. |
| 6 | IN2− | Inverting input of channel 2 - supports independent gain setting; no crosstalk with channel 1 (≥140 dB separation at 1 kHz). |
| 7 | OUT2 | Output of channel 2 - independently buffered; capable of sourcing/sinking 65 mA at 36 V for driving LEDs or MOSFET gates. |
| 8 | VCC+ | Positive supply rail - accepts up to 40 V absolute max; powers both channels and internal bias circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Input CMR extends 0.1 V beyond rails; output swings to within 60 mV of VCC+ and 90 mV of VCC− at 36 V - maximizes dynamic range in single-supply systems. |
| Low-power high-voltage operation | 380 µA per channel at 36 V - achieves 2.5 MHz bandwidth with <1 mW per op-amp - ideal for energy-constrained 24 V telemetry nodes. |
| No phase reversal | Guaranteed under all input overvoltage conditions up to ±0.2 V beyond rails - prevents latch-up and uncontrolled output during transient faults. |
| Capacitive load stability | Maintains ≥45° phase margin with 500 pF load - eliminates need for isolation resistors when driving ADC inputs or long PCB traces. |
| Automotive qualification | AEC-Q100 Grade 1 compliant - validated for 1500-hour HTOL, ESD, and temperature cycling - suitable for safety-critical powertrain subsystems. |
Applications
| Active Filtering | Automotive Battery Monitoring |
|---|---|
|
Use Scenario: Second-order Sallen-Key low-pass filter for motor phase current feedback in 48 V mild-hybrid inverters. IC Role / Device Role / Timing Role: Dual-channel op-amp implements filter transfer function with matched gain-bandwidth and offset tracking between channels. Use Value: 2.5 MHz GBP ensures <0.1 dB passband ripple up to 100 kHz; rail-to-rail I/O preserves SNR across full 0–40 V battery range. |
Use Scenario: High-side current sensing on 12 V starter-battery feed in start-stop systems. IC Role / Device Role / Timing Role: Configured as difference amplifier with 10 mΩ shunt to measure bidirectional cranking current (±300 A). Use Value: ±1.5 mV Vio and 129 dB CMRR limit measurement error to <0.5% at 300 A; 36 V rating withstands load-dump transients. |
| Industrial Power Supply Feedback | Audio Signal Conditioning |
|
Use Scenario: Voltage and current loop error amplification in programmable 0–30 V/0–10 A bench power supplies. IC Role / Device Role / Timing Role: Dual op-amp provides isolated voltage sense (CH1) and current sense (CH2) with shared 36 V supply. Use Value: 380 µA/channel enables low-noise regulation without thermal derating; 4 kV HBM protects against ESD during front-panel probing. |
Use Scenario: Input buffer and tone control preamplifier in automotive infotainment head units. IC Role / Device Role / Timing Role: First-stage buffer (CH1) and active bass/treble filter (CH2) operating from 12 V battery rail. Use Value: 0.001% THD+N at 1 kHz ensures clean audio reproduction; rail-to-rail output drives 600 Ω line drivers without clipping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-voltage rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB712IST | Higher precision: ±0.3 mV Vio, 0.3 µV/°C drift, but 1.1 MHz GBP and 550 µA/channel. | Better for precision instrumentation (e.g., medical sensors); less suitable for wideband filtering or fast current loops. | Select when DC accuracy dominates over speed/power - e.g., battery cell voltage monitoring where 100 ppm error is required. |
| LM2904BQDRQ1 | Lower cost, wider temp range (−40 °C to +150 °C), but only 1.2 MHz GBP, no rail-to-rail output, 700 µA/channel. | Acceptable for basic voltage monitoring; cannot drive low-impedance loads near rails or support high-frequency filters. | Select for cost-sensitive non-safety systems where 36 V operation and rail-to-rail output are not required - e.g., HVAC blower control. |
Compared with TSB572IDT, TSB712IST trades bandwidth and power for superior DC precision, while LM2904BQDRQ1 sacrifices rail-to-rail performance and speed for cost and extended junction temperature - making TSB572IDT the optimal balance for automotive current sensing and active filtering where 2.5 MHz, 380 µA, and full rail compliance are essential.
Availability
TSB572IDT is available at Aetrix Electronics and suitable for automotive battery management, industrial power supply feedback, and high-voltage active filtering requiring stable component supply across extended temperature and voltage ranges.
Supply support for TSB572IDT 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 automotive, industrial, and consumer markets.
TSB572IDT belongs to ST's high-voltage precision op-amp product line, engineered specifically for robust signal conditioning in automotive and industrial environments where wide supply range, rail-to-rail operation, and AEC-Q100 compliance are mandatory.
FAQ
What is the maximum capacitive load the TSB572IDT can drive stably?
The TSB572IDT maintains ≥45° phase margin with up to 500 pF capacitive load at 36 V supply, as confirmed in Figure 25 of DS11248 Rev 9. This allows direct connection to ADC input capacitors or long PCB traces without external isolation resistors - unlike many general-purpose op-amps that require ≥100 Ω series resistance beyond 100 pF.
Does the TSB572IDT support true rail-to-rail output at 36 V supply?
Yes - at 36 V supply and 25 °C, the output swings to within 78 mV of VCC+ and 30 mV of VCC− (Table 7, VOH/VOL). Over temperature (−40 °C to +125 °C), worst-case drop is 200 mV high-side and 120 mV low-side, preserving >99% of full-scale dynamic range in single-supply 36 V systems.
How does the input offset voltage drift with temperature?
Input offset voltage drift is guaranteed ≤6 µV/°C over −40 °C to +125 °C (Table 5–7). At 36 V, measured drift is typically 1.5–3 µV/°C, resulting in ≤1.05 mV total drift across the full range - critical for maintaining accuracy in uncalibrated current-sense amplifiers operating in engine compartments.
Is the TSB572IDT pin-compatible with other ST dual op-amps like TSB712?
No - TSB572IDT uses standard SO8 pinout (OUT1, IN1−, IN1+, VCC−, IN2+, IN2−, OUT2, VCC+), while TSB712IST uses MiniSO8 with different pin mapping (e.g., VCC− on pin 4 vs. pin 3 in some variants). Direct replacement requires PCB layout change; electrical substitution is possible only after verifying gain configuration and layout constraints.
TSB572IDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1V/µs
- Gain Bandwidth Product:
- 2.2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 8 nA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 380µA (x2 Channels)
- Current - Output / Channel:
- 65 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
TSB572IDT FAQ
1.How can I place an order for TSB572IDT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB572IDT 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 TSB572IDT reliable?
The price and inventory of TSB572IDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB572IDT is usually 5 days.
3.What payment methods are accepted for TSB572IDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB572IDT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB572IDT?
TSB572IDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB572IDT 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 TSB572IDT?
For technical support, including TSB572IDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB572IDT requirements.
6.How does Aetrix verify that TSB572IDT is sourced from the original manufacturer or authorized distributors?
All TSB572IDT 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 TSB572IDT meets industry standards.
7.What is the process for return or replacement of TSB572IDT?
All TSB572IDT units undergo pre-shipment inspection (PSI). If there is an issue with TSB572IDT, 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 TSB572IDT part is unused and in its original packaging.
Return procedure for TSB572IDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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