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Texas Instruments ISO7760FDBQR
- Part No.:
- ISO7760FDBQR
- Manufacturer:
- Texas Instruments
- Category:
- Digital Isolators
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
ISO7760FDBQR.pdf
- Description:
- DGTL ISO 3000VRMS 6CH GP 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,742
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Product details
Overview
ISO7760FDBQR from Texas Instruments is a reinforced six-channel digital isolator in SSOP-16 package, providing 3000 VRMS isolation, 100 Mbps data rate, ±100 kV/μs CMTI, and dual 2.25–5.5 V supply operation with default-low output logic. It isolates industrial serial buses (RS-485, CAN) and motor control I/O while maintaining signal integrity across noisy ground domains.
For engineers reviewing the ISO7760FDBQR datasheet, ISO7760FDBQR pinout, ISO7760FDBQR application, or ISO7760FDBQR equivalent, key selection criteria include its DBQ-16 package footprint, F-suffix default-low output behavior, 3000 VRMS isolation rating (vs. 5000 VRMS in SOIC), and channel direction configuration (all-forward for ISO7760).
Technical Context
The ISO7760FDBQR implements six independent capacitive SiO₂ isolation channels with double-barrier construction, enabling reinforced insulation per VDE 0884-17 and UL 1577. Its input and output sides operate at separate 2.25–5.5 V supplies (VCCI/VCCO), supporting level translation between mismatched logic domains.
It features integrated UVLO detection (2.25 V rising threshold), robust EMC immunity (±8 kV IEC 61000-4-2 contact discharge), and failsafe default-low output state upon input loss-critical for safety-critical motor gate drivers and isolated feedback loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 100 Mbps maximum - supports high-speed industrial Ethernet PHY interfaces and real-time motor encoder sampling. |
| Isolation Rating | 3000 VRMS (UL 1577) - certified for basic insulation in 300 VRMS working voltage systems (e.g., auxiliary power rails in solar inverters). |
| CMTI | ±100 kV/μs typical - prevents false triggering during fast-switching IGBT transients in motor drives. |
| Supply Range | 2.25 V to 5.5 V per side - enables direct interface with 3.3 V microcontrollers and 5 V analog front-ends without level shifters. |
| Propagation Delay | 11 ns typical at 5 V - ensures sub-20 ns round-trip latency for closed-loop current sensing in servo amplifiers. |
| Operating Temp | –55°C to +125°C - qualified for under-hood automotive subsystems and outdoor industrial controllers. |
| Default Output | Low (F-suffix) - asserts safe-off state for gate drivers during MCU reset or power brownout. |
Pinout & Package
ISO7760FDBQR uses a 16-pin SSOP (DBQ) package measuring 4.90 mm × 3.90 mm with 0.65 mm pitch. The isolation barrier separates input-side (pins 1, 2, 3, 4, 5, 6, 7, 8) and output-side (pins 9, 10, 11, 12, 13, 14, 15, 16) terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC1 (Pin 1) | Input-side power supply | Supplies logic for all six input buffers; must be decoupled locally to suppress switching noise coupling into isolation barrier. |
| INA–INF (Pins 2–7) | Input channels A–F | CMOS/LVCMOS-compatible inputs; accept 0–VCCI logic levels; no external pull-ups required due to internal biasing. |
| GND1 (Pin 8) | Input-side ground | Reference return for VCC1 and all INx signals; must be separated from GND2 by ≥8 mm creepage on PCB. |
| GND2 (Pin 9) | Output-side ground | Reference return for VCC2 and all OUTx signals; forms isolated domain for downstream MCU or driver IC. |
| OUTF–OUTA (Pins 10–15) | Output channels F–A | Push-pull outputs drive 4 mA sink/source at 5 V; compatible with 74LVC, SN74, and microcontroller GPIOs. |
| VCC2 (Pin 16) | Output-side power supply | Independent supply enables level translation; e.g., 3.3 V MCU controls 5 V actuator logic via ISO7760FDBQR. |
Key Features
| Feature | Design Value |
|---|---|
| Reinforced Insulation | Meets VDE 0884-17, UL 1577, and IEC 62368-1 - eliminates need for external creepage/clearance barriers in medical and industrial safety designs. |
| Surge Immunity | 12.8 kV peak surge (oil test) - withstands lightning-induced transients on factory floor RS-485 lines without clamping diodes. |
| Low Power @ 1 Mbps | 1.4 mA per channel typical - enables battery-backed isolated monitoring nodes with <10 μA sleep current when idle. |
| EMC Robustness | ±8 kV IEC 61000-4-2 contact ESD across barrier - protects against operator touch events in human-machine interface modules. |
| Wide Temperature Range | –55°C to +125°C operation - supports deployment in engine control units and outdoor photovoltaic string monitors. |
Applications
| Industrial Motor Control | Solar Inverter Feedback |
|---|---|
Use Scenario: Isolating PWM gate signals and current sense feedback between MCU and 3-phase IGBT module in variable-frequency drives. IC Role / Device Role / Timing Role: Six-channel isolator provides independent forward-direction paths for three upper/lower gate drivers plus two analog-to-digital converter isolation channels. Use Value: 11 ns propagation delay ensures <50 ns timing skew across all six channels, preserving dead-time accuracy critical for preventing shoot-through faults. | Use Scenario: Transmitting DC-link voltage and current measurements from high-side sensing circuitry to isolated ADC in grid-tied solar inverters. IC Role / Device Role / Timing Role: Provides reinforced isolation for analog front-end signals while maintaining synchronization between measurement and control domains. Use Value: 3000 VRMS rating matches IEC 62109 requirements for PV system auxiliary circuits, eliminating need for additional isolation components. |
| Medical Imaging Power Supply | Automated Test Equipment |
Use Scenario: Isolating digital control lines between low-voltage FPGA controller and high-voltage X-ray generator power stage. IC Role / Device Role / Timing Role: Transmits enable, fault, and sequencing commands across reinforced barrier while rejecting common-mode noise from kV-level switching. Use Value: ±100 kV/μs CMTI prevents mis-triggering during rapid HV ramp-up, ensuring patient safety compliance per IEC 60601-1. | Use Scenario: Providing isolated digital I/O for programmable logic controller (PLC) backplane communication in semiconductor wafer probers. IC Role / Device Role / Timing Role: Routes six parallel status/control bits between host controller and modular sensor head with precise timing alignment. Use Value: All-forward channel configuration (ISO7760) simplifies PCB routing versus mixed-direction variants, reducing layout iterations in high-density test fixtures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar six-channel digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISO7760DBQR | Same pinout and electrical specs, but default-high output (no F suffix); 3000 VRMS isolation; identical DBQ-16 package. | Requires external pull-down or logic inversion for safety-critical off-state assertion in gate driver applications. | Select ISO7760DBQR only when system-level fail-safe behavior mandates high-default outputs (e.g., active-high enable signals). |
| ADUM6600ARWZ | 6-channel isolator with integrated isolated DC/DC converter; SOIC-20 package; 2.5 kV RMS isolation; 100 Mbps data rate. | Eliminates need for external isolated power supply but occupies larger board area and has lower isolation rating. | Choose ADUM6600ARWZ when board space allows larger SOIC-20 and system benefits from single-chip isolated power + signal solution. |
Compared with ISO7760DBQR, ISO7760FDBQR provides inherent fail-safe low-state assertion during power loss-reducing BOM count in motor drives. Versus ADUM6600ARWZ, it offers higher 3000 VRMS isolation and smaller DBQ-16 footprint but requires external isolated power.
Availability
ISO7760FDBQR is available at Aetrix Electronics and suitable for industrial motor control, solar inverter feedback, and medical imaging power supply designs requiring stable component supply, long-lifecycle assurance, and reinforced safety certification.
Supply support for ISO7760FDBQR 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 specializing in analog, embedded processing, and high-reliability ICs for industrial, automotive, and medical markets.
The ISO776x family was designed specifically for high-noise industrial environments requiring robust EMC performance, long-term isolation reliability (>30-year lifetime), and safety-certified reinforced insulation in compact packages.
FAQ
What is the isolation voltage rating of ISO7760FDBQR?
The ISO7760FDBQR has a UL 1577-rated isolation voltage of 3000 VRMS, verified for the DBQ-16 SSOP package. This rating applies to continuous AC working voltage up to 300 VRMS under pollution degree 2 conditions and is certified per VDE 0884-17, CSA IEC 62368-1, and CQC GB4943.1 standards. The device also supports 12.8 kV peak surge (VIOSM) in oil testing per IEC 62368-1.
Does ISO7760FDBQR support level translation between different supply voltages?
Yes, ISO7760FDBQR supports bidirectional level translation between 2.25 V and 5.5 V on its input (VCCI) and output (VCCO) sides independently. For example, it can translate 3.3 V MCU GPIO signals to 5 V PLC I/O logic while maintaining signal integrity and timing accuracy - enabled by separate VCC1/VCC2 pins and rail-to-rail input thresholds defined as 0.3×VCCI and 0.7×VCCI.
What does the 'F' suffix in ISO7760FDBQR indicate?
The 'F' suffix in ISO7760FDBQR denotes default-low output behavior: when input power (VCCI) or input signal is lost, all six output channels (OUTA–OUTF) automatically drive low. This fail-safe feature is essential in motor gate driver and safety interlock applications where de-energized states must be actively asserted - contrasting with non-F variants like ISO7760DBQR that default high.
Can ISO7760FDBQR replace ISO7760DBQR on the same PCB?
No - although ISO7760FDBQR and ISO7760DBQR share identical DBQ-16 pinout, package, and electrical specifications, their default output states differ (low vs. high). Replacing one with the other without logic-level inversion or firmware adjustment may cause unsafe system behavior, such as unintended gate turn-on in motor drives. Hardware or software validation is required before substitution.
What certifications does ISO7760FDBQR hold for medical applications?
ISO7760FDBQR holds CSA certification per IEC 60601-1 for medical electrical equipment, including 2 MOPP (Means of Patient Protection) classification in the DW-16 package variant. While the DBQ-16 version (ISO7760FDBQR) is certified per IEC 62368-1 and GB4943.1, its 3000 VRMS rating supports auxiliary circuits in diagnostic imaging systems - however, direct patient-connected applications require verification against end-equipment-specific risk management files.
ISO7760FDBQR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- ISO776x
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- General Purpose
- Isolated Power:
- No
- Number of Channels:
- 6
- Inputs - Side 1/Side 2:
- 6/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 3000Vrms
- Common Mode Transient Immunity (Min):
- 85kV/µs
- Data Rate:
- 100Mbps
- Propagation Delay tpLH / tpHL (Max):
- 16ns, 16ns
- Pulse Width Distortion (Max):
- 4.9ns
- Rise / Fall Time (Typ):
- 1.1ns, 1.4ns
- Voltage - Supply:
- 2.25V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -55°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
ISO7760FDBQR FAQ
1.How can I place an order for ISO7760FDBQR through Aetrix?
Please submit a Request for Quotation (RFQ) for ISO7760FDBQR 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 ISO7760FDBQR reliable?
The price and inventory of ISO7760FDBQR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISO7760FDBQR is usually 5 days.
3.What payment methods are accepted for ISO7760FDBQR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISO7760FDBQR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISO7760FDBQR?
ISO7760FDBQR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISO7760FDBQR 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 ISO7760FDBQR?
For technical support, including ISO7760FDBQR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISO7760FDBQR requirements.
6.How does Aetrix verify that ISO7760FDBQR is sourced from the original manufacturer or authorized distributors?
All ISO7760FDBQR 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 ISO7760FDBQR meets industry standards.
7.What is the process for return or replacement of ISO7760FDBQR?
All ISO7760FDBQR units undergo pre-shipment inspection (PSI). If there is an issue with ISO7760FDBQR, 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 ISO7760FDBQR part is unused and in its original packaging.
Return procedure for ISO7760FDBQR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ISO7760FDBQR Tags
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