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Analog Devices Inc. LTC6930HDCB-8.00#TRPBF
- Part No.:
- LTC6930HDCB-8.00#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LTC6930HDCB-8.00#TRPBF.pdf
- Description:
- IC OSC SILICON 8MHZ 8-DFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,805
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Product details
Overview
LTC6930HDCB-8.00#TRPBF from Analog Devices (formerly Linear Technology) is a digitally controlled, precision silicon oscillator delivering 8.000000MHz output with ±0.1% frequency accuracy over –40°C to 125°C, 105µA typical supply current at 32kHz, and <110µs start-up time. It operates from a single 1.7V–5.5V supply and requires no external timing components-ideal for high-reliability industrial microcontroller clocking.
For engineers reviewing the LTC6930HDCB-8.00#TRPBF datasheet, LTC6930HDCB-8.00#TRPBF pinout, LTC6930HDCB-8.00#TRPBF application, or LTC6930HDCB-8.00#TRPBF equivalent, this page provides verified specifications, DFN-8 pin mapping, temperature-stable jitter performance (<0.15% RMS period jitter), and factory-programmed 8MHz master oscillator with 8 selectable divide ratios (1–128).
Technical Context
The LTC6930HDCB-8.00#TRPBF implements a proprietary switched-capacitor feedback loop to stabilize its factory-set 8.000000MHz master oscillator across voltage and temperature extremes. Its internal binary divider (controlled by DIVA/DIVB/DIVC pins) generates eight precise output frequencies from 62.5kHz to 8.000MHz without external components.
It features dual V+ and GND pins (pins 1/8 and 2/6) to isolate the oscillator core from output driver noise, enabling clean CMOS output (40Ω series resistance, 3ns rise/fall) even under 50pF capacitive load-critical for low-jitter timing in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency | 8.000000MHz nominal; selectable via DIV pins to 62.5kHz–8.000MHz in 8 steps |
| Frequency Accuracy | ±0.1% max over –40°C to 125°C; ensures stable timing for industrial MCU boot and real-time control loops |
| Supply Voltage | 1.7V to 5.5V single supply; supports direct operation from Li-ion or dual AA cells |
| Start-Up Time | <110µs to first valid cycle; enables rapid wake-up in battery-powered sensor nodes |
| RMS Period Jitter | <0.15% at 3V (≈130ps RMS @ 8MHz); meets timing margin requirements for SPI/I²C peripherals |
| Supply Current | 491µA typical at 8MHz/3V; enables ultra-low-power operation in always-on monitoring systems |
| Operating Temp | –40°C to +125°C; qualified for under-hood automotive and industrial motor drive applications |
Pinout & Package
Package: 8-lead (2mm × 3mm) plastic DFN (DCB) with exposed thermal pad (Pin 9) requiring solder connection to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive supply inputs | Must be bypassed individually to adjacent GND pins with 0.1µF ceramic capacitors; dual supply pins reduce power rail coupling to oscillator core |
| GND (Pins 2, 6) | Ground return paths | Internally connected; both must tie to low-inductance PCB ground plane and to exposed pad (Pin 9) |
| DIVA, DIVB, DIVC (Pins 3, 4, 5) | Digital frequency select inputs | CMOS logic inputs (VIH = 1.25V min); set binary divider ratio (1–128) per Table 1; glitch-free switching within one output cycle |
| OUT (Pin 7) | CMOS oscillator output | Drives up to 50pF or 1kΩ; 40Ω series resistance limits EMI; held low during start-up to prevent system clock glitches |
| Exposed Pad (Pin 9) | Thermal and electrical ground | Required solder connection to PCB GND plane for thermal dissipation and noise reduction; not optional |
Key Features
| Feature | Design Value |
|---|---|
| Digitally programmable frequency | 8 factory-set output frequencies (62.5kHz–8MHz) selected by 3-pin binary code-no crystals or trimming required |
| Ultra-low power consumption | 105µA typical at 32kHz/3V enables multi-year battery life in wireless sensors and portable instrumentation |
| High-temperature stability | ±0.1% frequency error over –40°C to 125°C eliminates need for external compensation in harsh environments |
| Fast, glitch-free start-up | <110µs power-on delay with output held low prevents invalid clock edges during MCU reset release |
| No external components | Operates with only 0.1µF V+/GND bypass caps-reduces BOM count and PCB area vs crystal + load cap solutions |
Applications
| Industrial PLC Timing | Automotive Body Control Module |
|---|---|
Use Scenario: Synchronizing I/O scan cycles and communication buses in programmable logic controllers operating in ambient temperatures up to 125°C. IC Role / Device Role / Timing Role: Primary system clock source for ARM Cortex-M7 microcontroller and CAN FD transceivers. Use Value: ±0.1% accuracy ensures deterministic task scheduling and UART baud rate stability across full temperature range without calibration. | Use Scenario: Providing clock signal to microcontroller and LIN transceiver in door module electronics exposed to under-dash thermal cycling. IC Role / Device Role / Timing Role: Low-power, high-reliability timing reference replacing quartz oscillators prone to mechanical shock failure. Use Value: 1.7V–5.5V operation supports wide input range from vehicle battery; DFN package withstands vibration better than through-hole crystals. |
| Portable Medical Monitor | Smart Energy Meter |
Use Scenario: Clocking ADC sampling and Bluetooth LE radio in handheld ECG device powered by coin-cell battery. IC Role / Device Role / Timing Role: Ultra-low-current timing source enabling >5-year battery life while maintaining ECG waveform fidelity. Use Value: 105µA at 32kHz minimizes quiescent drain; fast start-up allows duty-cycled operation without clock warm-up delays. | Use Scenario: Driving metrology ASIC and secure microcontroller in ANSI C12.22-compliant electricity meter deployed outdoors. IC Role / Device Role / Timing Role: Temperature-stable clock for real-time billing calculations and tamper-detection logic. Use Value: Long-term drift of 30ppm/√kHr ensures <0.02% cumulative error over 10 years-meeting ANSI Class 0.2 accuracy requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SiT1533AI-H4-33E-8.000000D | MEMS-based; ±10ppm initial accuracy (0.001%); 1.62–3.63V supply; 1.5µA typical at 32kHz | Higher initial accuracy but narrower voltage range; optimized for ultra-low-power wearables, not extended temperature industrial use | Select for sub-1µA sleep current where ±10ppm trumps –40°C to 125°C operation |
| MAX7375EKA+T | Crystal-based; ±50ppm accuracy; 1.7–5.5V; 1.2mA typical at 8MHz; requires external 8MHz crystal and load caps | Lower jitter (0.5ps RMS) but higher power and BOM complexity; suited for RF subsystems needing ultra-clean clocks | Select when phase noise is critical and board space permits crystal + matching network |
Compared with SiT1533AI-H4-33E-8.000000D and MAX7375EKA+T, the LTC6930HDCB-8.00#TRPBF uniquely balances –40°C to 125°C operation, ±0.1% accuracy, and zero external components-making it optimal for ruggedized embedded systems where reliability and design simplicity outweigh ultra-low sleep current or femtosecond jitter.
Availability
LTC6930HDCB-8.00#TRPBF is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and portable medical devices requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC6930HDCB-8.00#TRPBF 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
Analog Devices acquired Linear Technology in 2017 and maintains its precision analog and timing product lines with rigorous automotive and industrial qualification standards.
The LTC6930 series was designed as a drop-in replacement for quartz oscillators in space-constrained, high-reliability applications-emphasizing wide temperature operation, low power, and guaranteed parametric performance without external tuning.
FAQ
What is the maximum load capacitance supported by the LTC6930HDCB-8.00#TRPBF?
The LTC6930HDCB-8.00#TRPBF drives up to 50pF capacitive load or 1kΩ resistive load, as specified in the Applications Information section. Supply current increases linearly with load capacitance (ISUPPLY ≈ CLOAD × VSWING × fOSC), so driving 50pF at 8MHz draws ~2.2mA additional average current beyond the base 491µA. Layout best practices recommend short traces and local 0.1µF decoupling at V+/GND pins 6 and 8 to manage transient spikes.
Does the LTC6930HDCB-8.00#TRPBF require external components for frequency setting?
No, the LTC6930HDCB-8.00#TRPBF requires no external components to set frequency. Its 8.000000MHz master oscillator is factory-programmed, and output frequency is selected solely by the logic states of DIVA, DIVB, and DIVC pins (pins 3–5), which configure an internal binary divider (1–128). Only 0.1µF ceramic bypass capacitors on each V+/GND pair are needed for stable operation.
How does the LTC6930HDCB-8.00#TRPBF achieve ±0.1% accuracy over –40°C to 125°C?
The LTC6930HDCB-8.00#TRPBF achieves ±0.1% accuracy across –40°C to 125°C using a proprietary switched-capacitor feedback loop that actively stabilizes its factory-trimmed 8.000000MHz master oscillator. This architecture compensates for silicon process variation and temperature-induced drift, unlike passive crystal solutions. The DCB package's low thermal resistance (θJA = 64°C/W) further supports consistent performance in high-ambient environments.
Can the DIV pins of the LTC6930HDCB-8.00#TRPBF be changed dynamically during operation?
Yes, the DIVA, DIVB, and DIVC pins of the LTC6930HDCB-8.00#TRPBF support dynamic reconfiguration during operation. The output transitions cleanly to the new frequency within one clock cycle of the DIV pin change, with no glitches, runt pulses, or undefined states-enabling adaptive clock scaling in power-sensitive applications like duty-cycled sensor nodes.
What is the purpose of the exposed pad (Pin 9) on the LTC6930HDCB-8.00#TRPBF DFN package?
The exposed pad (Pin 9) on the LTC6930HDCB-8.00#TRPBF DFN package serves dual thermal and electrical functions: it must be soldered to a PCB ground plane to dissipate heat (θJA = 64°C/W) and to provide a low-impedance return path for the oscillator core and output driver. Leaving it unconnected degrades thermal performance and increases jitter; Analog Devices' recommended layout explicitly requires soldering Pin 9 to GND.
LTC6930HDCB-8.00#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Oscillator, Silicon
- Count:
- -
- Frequency:
- 8MHz
- Voltage - Supply:
- 1.7V ~ 5.5V
- Current - Supply:
- 926 µA
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 8-DFN (2x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930HDCB-8.00#TRPBF FAQ
1.How can I place an order for LTC6930HDCB-8.00#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930HDCB-8.00#TRPBF 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 LTC6930HDCB-8.00#TRPBF reliable?
The price and inventory of LTC6930HDCB-8.00#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930HDCB-8.00#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6930HDCB-8.00#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930HDCB-8.00#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930HDCB-8.00#TRPBF?
LTC6930HDCB-8.00#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930HDCB-8.00#TRPBF 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 LTC6930HDCB-8.00#TRPBF?
For technical support, including LTC6930HDCB-8.00#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930HDCB-8.00#TRPBF requirements.
6.How does Aetrix verify that LTC6930HDCB-8.00#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6930HDCB-8.00#TRPBF 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 LTC6930HDCB-8.00#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6930HDCB-8.00#TRPBF?
All LTC6930HDCB-8.00#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930HDCB-8.00#TRPBF, 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 LTC6930HDCB-8.00#TRPBF part is unused and in its original packaging.
Return procedure for LTC6930HDCB-8.00#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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