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Texas Instruments OPA462IDDAR
- Part No.:
- OPA462IDDAR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA462IDDAR.pdf
- Description:
- IC OPAMP GP 1 CIRC 8SOPWRPAD
- Quantity:
- Payment:
- Shipping:
Inventory:4,309
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Product details
Overview
OPA462IDDAR from Texas Instruments is a high-voltage (±90 V / 180 V), high-current (±45 mA) operational amplifier designed for precision output drive in demanding test and instrumentation systems. It delivers 6.5 MHz gain-bandwidth, 32 V/µs slew rate, ±0.2 mV input offset voltage (typ), and operates across –40°C to +85°C with internal thermal and current-limit protection.
For engineers reviewing the OPA462IDDAR datasheet, OPA462IDDAR pinout, OPA462IDDAR application, or OPA462IDDAR equivalent, key selection criteria include its wide supply range (±6 V to ±90 V), open-drain status flag for fault monitoring, independent enable/disable control referenced to E/D Com, and SO PowerPAD™ package for industrial thermal management.
Technical Context
The OPA462IDDAR implements a unity-gain-stable, high-voltage op-amp architecture with rail-to-rail output swing capability (within 1.5 V of V+ and 3 V of V– at 10 kΩ load). Its internal protection circuitry includes active current limiting (±45 mA) and thermal shutdown triggered at 150°C junction temperature, with status reporting via an open-drain flag referenced to E/D Com.
It supports single-supply operation (12 V to 180 V) or dual-supply operation (±6 V to ±90 V), features no phase inversion, and maintains CMRR ≥120 dB over –40°C to +85°C. The enable/disable function isolates the output stage without disturbing the input signal path, enabling power savings and load protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±6 V to ±90 V - supports both low- and ultra-high-voltage biasing in semiconductor test fixtures and optical module drivers. |
| Output Current | ±45 mA - drives heavy loads such as piezoelectric actuators or high-impedance sensor interfaces without external buffers. |
| Gain-Bandwidth Product | 6.5 MHz - enables stable closed-loop operation up to ~1 MHz at G = 6, suitable for fast settling in lab instrumentation. |
| Slew Rate | 32 V/µs - ensures <5.2 µs settling to ±0.01% for 120-V steps, critical for pulse-amplifier and multiparameter monitor applications. |
| Input Offset Voltage | ±0.2 mV (typ) - provides sub-millivolt DC accuracy over temperature, essential for precision transducer signal conditioning. |
| Status Flag Output | Open-drain, active-low - directly interfaces with 3.3 V or 5 V logic for overcurrent/overtemperature fault detection without level-shifting. |
| Operating Temperature | –40°C to +85°C - qualified for industrial embedded use in display panel drivers and field-deployed test equipment. |
Pinout & Package
OPA462IDDAR is housed in an 8-pin HSOIC (SO PowerPAD™) package measuring 4.89 mm × 3.90 mm, with exposed thermal pad internally connected to V– and requiring PCB soldering to a V–-referenced copper area for thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| E/D (Pin 8) | Enable/Disable input | Logic-controlled output stage disable; high = enabled, low = disabled; referenced to E/D Com. |
| E/D Com (Pin 1) | Enable/disable common reference | Ground reference for E/D and Status Flag; voltage range depends on supply (e.g., V– to V+–6 V when VS < 106 V). |
| –IN (Pin 2) | Inverting input | Differential input node with 10¹³ Ω || 6 pF impedance; supports common-mode voltages from (V–)+1 V to (V+)–3 V. |
| +IN (Pin 3) | Noninverting input | Differential input node with identical impedance and common-mode range as –IN. |
| OUT (Pin 6) | Amplifier output | High-current, high-voltage output capable of ±45 mA into resistive loads; disabled state presents 160 kΩ output impedance. |
| Status Flag (Pin 5) | Fault indicator output | Open-drain, active-low flag asserting during overcurrent or overtemperature events; pulled up externally to logic supply. |
| V– (Pin 4) | Negative supply rail | Lowest potential power supply connection; PowerPAD is internally tied to this pin. |
| V+ (Pin 7) | Positive supply rail | Highest potential power supply connection; defines upper rail for full 180-V differential operation. |
Key Features
| Feature | Design Value |
|---|---|
| No phase inversion | Eliminates output polarity reversal under common-mode overdrive-critical for closed-loop stability in high-voltage feedback networks. |
| Independent output disable | Disables output stage while preserving input bias conditions and offset integrity, enabling seamless power cycling in multi-channel systems. |
| Thermal shutdown with flag | Junction temperature >150°C triggers automatic shutdown and asserts Status Flag; recovery occurs at ≤130°C, enabling autonomous fault recovery. |
| Current limit protection | Internally limits output current to ±45 mA continuously; prevents damage during short-circuit or capacitive overload conditions. |
| Wide supply flexibility | Operates from ±6 V to ±90 V (or 12 V to 180 V single supply), simplifying integration across diverse HV platforms without external regulators. |
Applications
| Automated Semiconductor Test Equipment | Optical Transceiver Bias Control |
|---|---|
Use Scenario: Driving DUT bias rails and sense amplifiers in wafer probers and ATE systems requiring precise ±80 V compliance and fast transient response. IC Role / Device Role / Timing Role: High-voltage, high-accuracy op-amp used in closed-loop bias regulation and current-sense amplification. Use Value: Delivers 32 V/µs slew rate and 6.5 MHz GBW to maintain fidelity on fast-ramping bias waveforms, while ±0.2 mV offset ensures sub-mV calibration accuracy. | Use Scenario: Providing stable, adjustable bias voltage to laser diodes and modulators in 100G/400G optical modules where supply noise and thermal drift must be minimized. IC Role / Device Role / Timing Role: Precision high-voltage buffer and driver with thermal fault monitoring for photonic subsystems. Use Value: Open-drain Status Flag enables real-time laser safety interlock; ±45 mA output drives TEC controllers and bias tees without external boost stages. |
| Medical Multiparameter Patient Monitors | Industrial Display Panel Drivers |
Use Scenario: Amplifying and conditioning biopotential signals (e.g., ECG, EEG) with high common-mode rejection and isolation-compatible supply headroom. IC Role / Device Role / Timing Role: High-CMRR (≥120 dB), high-voltage op-amp used in isolated front-end signal chains and defibrillation-capable output stages. Use Value: No phase inversion prevents catastrophic output swing during electrode disconnect events; thermal flag supports IEC 60601-1 fault logging requirements. | Use Scenario: Driving column/row electrodes in large-format LCD/OLED panels requiring high-voltage swing (>100 VPP), low THD+N (<0.001%), and robust ESD tolerance. IC Role / Device Role / Timing Role: High-fidelity, high-output-current amplifier for active matrix display timing and grayscale control circuits. Use Value: 0.0009% THD+N at 1 kHz/150 VPP ensures accurate grayscale linearity; SO PowerPAD™ package sustains continuous operation at 85°C ambient. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA454IDDA | Lower max supply (±40 V), lower output current (±45 mA same), no status flag or E/D pin; 22 MHz GBW but not unity-gain stable. | Best suited for medium-voltage, high-speed applications where fault monitoring is not required. | Select when bandwidth >6.5 MHz is needed and supply stays ≤±40 V; avoid if thermal/current fault reporting is mandatory. |
| LM675T/NOPB | Max supply ±40 V, output current ±100 mA, no integrated status flag or enable, TO-220 package only, no PowerPAD. | Preferred for high-current, lower-voltage linear regulator or audio driver roles with heatsink mounting. | Choose for cost-sensitive, high-output-current designs below ±40 V; not suitable for 180-V operation or surface-mount thermal management. |
Compared with OPA454IDDA and LM675T/NOPB, the OPA462IDDAR uniquely combines 180-V operation, integrated fault flag, enable/disable control, and SO PowerPAD™ thermal performance-making it the only option for compact, self-protecting high-voltage instrumentation channels.
Availability
OPA462IDDAR is available at Aetrix Electronics and suitable for semiconductor test equipment, optical module bias control, and medical patient monitors requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for OPA462IDDAR 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
Texas Instruments is a global semiconductor leader delivering analog and embedded processing solutions with emphasis on reliability, precision, and industrial-grade qualification.
The OPA462IDDAR belongs to TI's high-voltage precision op-amp product line, engineered specifically for test-and-measurement, medical instrumentation, and optical infrastructure applications demanding safe, fault-aware, high-fidelity signal amplification.
FAQ
What is the maximum supply voltage rating for the OPA462IDDAR?
The OPA462IDDAR supports a maximum total supply voltage of 190 V (absolute maximum rating), with recommended operating range from ±6 V to ±90 V (12 V to 180 V single supply). Operation beyond ±90 V requires careful thermal design and derating per TI's SBOS803A datasheet Section 6.1.
Does the OPA462IDDAR require external components to use the Status Flag pin?
Yes - the Status Flag pin (Pin 5) is open-drain and requires an external pull-up resistor (typically 10 kΩ to 3.3 V or 5 V) to generate a valid logic-level signal. The OPA462IDDAR itself does not provide internal pull-up; proper pull-up ensures reliable fault indication during overtemperature or overcurrent events.
Can the OPA462IDDAR operate with a single-ended supply?
Yes - the OPA462IDDAR supports true single-supply operation from 12 V to 180 V. Input common-mode and output swing ranges are specified relative to the supply rails (e.g., VCM = (V–)+1 V to (V+)–3 V), and the E/D Com pin adapts its voltage range accordingly, enabling flexible ground-referenced or floating configurations.
How does the enable/disable function affect quiescent current in the OPA462IDDAR?
When the OPA462IDDAR is disabled (E/D pin low), quiescent current drops from 3.2–3.7 mA (active) to 1.5–2.0 mA (shutdown), reducing power by ~50%. The input stage remains biased, preserving offset and common-mode behavior, while the output stage is fully isolated - enabling rapid re-enablement (<2.5 µs) without settling delay.
Is the PowerPAD of the OPA462IDDAR electrically isolated from the die?
No - the PowerPAD of the OPA462IDDAR is internally connected to the V– pin. It must be soldered to a PCB copper area tied to V– for optimal thermal performance and electrical integrity. Leaving the PowerPAD unconnected or floating violates the thermal design requirements and risks overheating or parametric shift.
OPA462IDDAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 25V/µs
- Gain Bandwidth Product:
- 6.5 MHz
- -3db Bandwidth:
- 800 kHz
- Current - Input Bias:
- 30 µA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 3.2mA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 12 V
- Voltage - Supply Span (Max):
- 180 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO PowerPad
OPA462IDDAR FAQ
1.How can I place an order for OPA462IDDAR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA462IDDAR 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 OPA462IDDAR reliable?
The price and inventory of OPA462IDDAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA462IDDAR is usually 5 days.
3.What payment methods are accepted for OPA462IDDAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA462IDDAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA462IDDAR?
OPA462IDDAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA462IDDAR 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 OPA462IDDAR?
For technical support, including OPA462IDDAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA462IDDAR requirements.
6.How does Aetrix verify that OPA462IDDAR is sourced from the original manufacturer or authorized distributors?
All OPA462IDDAR 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 OPA462IDDAR meets industry standards.
7.What is the process for return or replacement of OPA462IDDAR?
All OPA462IDDAR units undergo pre-shipment inspection (PSI). If there is an issue with OPA462IDDAR, 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 OPA462IDDAR part is unused and in its original packaging.
Return procedure for OPA462IDDAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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