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Analog Devices Inc. LTC6930HMS8-4.19#PBF
- Part No.:
- LTC6930HMS8-4.19#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6930HMS8-4.19#PBF.pdf
- Description:
- IC OSC SILICON 4.194304MHZ 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,488
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Product details
Overview
LTC6930HMS8-4.19#PBF from Analog Devices (formerly Linear Technology) is a digitally controlled, precision silicon oscillator delivering 4.194304MHz output with ±0.1% frequency accuracy over –40°C to 125°C, 105µA typical supply current at 32kHz/3V, <110µs start-up time, and RMS period jitter <0.15% at 3V - used as a low-power clock source in industrial microcontroller systems requiring high-temperature stability.
For engineers reviewing the LTC6930HMS8-4.19#PBF datasheet, LTC6930HMS8-4.19#PBF pinout, LTC6930HMS8-4.19#PBF application, or LTC6930HMS8-4.19#PBF equivalent, key selection criteria include factory-programmed master frequency (4.194304MHz), 3–128 binary division via DIVA/DIVB/DIVC pins, MS8 package compatibility, ±1% max frequency error over full V+ (1.7–5.5V), and long-term drift of 30ppm/√kHr.
Technical Context
The LTC6930HMS8-4.19#PBF implements a proprietary switched-capacitor feedback loop to stabilize its internal master oscillator (4.194304MHz), enabling ultra-low drift across temperature and supply voltage. Its digital control architecture uses three CMOS input pins (DIVA/DIVB/DIVC) to select one of eight output frequencies via binary-coded divide-by-1 to -128.
It features dual V+ and GND pins to isolate oscillator core and output driver domains, minimizing deterministic jitter under capacitive loading up to 50pF. The output stage delivers <3ns rise/fall time with 40Ω series resistance at 3V, supporting clean signal integrity in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency | 4.194304MHz nominal; selectable down to 32.768kHz via 3-bit DIV inputs (÷1 to ÷128) |
| Frequency Accuracy | ±0.1% over –40°C to 125°C at V+ = 3V; ±1.3% over full 1.7–5.5V range |
| Supply Current | 105µA typical at 32.768kHz/3V; 490µA typical at 4.194304MHz/3V |
| Start-Up Time | <110µs to first accurate output cycle after V+ exceeds 1.7V |
| RMS Period Jitter | <0.15% at 4.194304MHz, V+ = 3V, CLOAD = 5pF |
| Operating Temp | –40°C to +125°C (H-grade); validated for continuous operation in harsh industrial environments |
| Duty Cycle | 48–52% at V+ = 2–5.5V with DIV = 1; maintains tight symmetry across supply and temperature |
Pinout & Package
Package: 8-lead plastic MSOP (MS8), 3.0mm × 4.9mm body, 0.65mm pitch, exposed thermal pad not present (MSOP variant). RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive Supply Input | Dual supply pins reduce PSRR coupling; each requires local 0.1µF ceramic bypass to adjacent GND |
| GND (Pins 2, 6) | Ground Reference | Two dedicated ground pins improve return path integrity; must be connected together on PCB |
| DIVA, DIVB, DIVC (Pins 3, 4, 5) | Frequency Division Control | CMOS logic inputs (VIL ≤ 1.25V, VIH ≥ 1.4V); set binary divider ratio (1–128) per Table 1 |
| OUT (Pin 7) | CMOS Clock Output | Low-impedance (40Ω typ), rail-to-rail swing; drives 5pF load (2 HC inputs) or up to 50pF with increased ISUPPLY |
Key Features
| Feature | Design Value |
|---|---|
| Digital frequency selection | Three-pin binary interface enables 8 discrete output frequencies without external components or reprogramming |
| Ultrafast power-on response | Sub-110µs start-up ensures immediate timing availability in wake-from-sleep MCU applications |
| High-temp precision | ±0.1% accuracy maintained over –40°C to +125°C enables use in engine control, motor drives, and downhole tools |
| Low supply sensitivity | 0.07%/V frequency drift over 1.7–5.5V allows direct Li-ion or dual-AA battery operation without regulation |
| Glitch-free DIV switching | Output transitions cleanly within one clock cycle when DIV pins change - no runt pulses or metastability |
Applications
| Industrial PLC Timing | Automotive Body Controller |
|---|---|
Use Scenario: Synchronizing I/O scan cycles and CAN message timestamps in programmable logic controllers operating in ambient temperatures up to 125°C. IC Role / Device Role / Timing Role: Primary system clock generator for ARM Cortex-M7-based controller running real-time OS with deterministic interrupt latency. Use Value: Eliminates quartz crystal + load capacitor layout complexity while maintaining ±0.1% timing accuracy across full industrial temperature range. | Use Scenario: Providing stable 4.194304MHz reference to microcontroller in door module controlling window lift, mirror fold, and seat position memory. IC Role / Device Role / Timing Role: Low-power clock source enabling fast wake-from-hibernate (<110µs) to meet automotive OEM sleep current budgets. Use Value: 105µA typical current at 32kHz supports >10-year battery life in always-on monitoring circuits without compromising timing fidelity. |
| Medical Infusion Pump | Smart Energy Meter |
Use Scenario: Driving ADC sampling clock and motor step timing in Class II medical infusion pumps requiring IEC 60601-1 compliance and long-term calibration stability. IC Role / Device Role / Timing Role: Precision oscillator for closed-loop flow rate control algorithm execution and data logging timestamping. Use Value: 30ppm/√kHr long-term drift ensures <0.02% cumulative frequency error over 5 years - critical for dosage accuracy certification. | Use Scenario: Serving as main clock for metrology ASIC and secure bootloader in ANSI C12.22-compliant electricity meters deployed in outdoor enclosures. IC Role / Device Role / Timing Role: High-reliability timing reference for real-time billing calculations and tamper-detection event logging. Use Value: MS8 package withstands thermal cycling in wide-temperature installations; ±1% worst-case accuracy meets ANSI C12.1-2017 Class 0.2 metering 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-4.194304E | MEMS oscillator; ±10ppm initial accuracy (±0.001%), 1.62–3.63V supply; no DIV pins - fixed frequency only | Requires redesign for fixed-frequency use; superior aging but lacks programmability | Select when absolute stability and minimal aging outweigh need for in-system frequency adjustment |
| MAX7375ETE+T | Crystal oscillator with integrated crystal; ±20ppm accuracy; 1.71–3.63V; no digital division - outputs only 4.194304MHz | No DIV control; higher EMI susceptibility than silicon oscillator; larger footprint (3.2×2.5mm) | Choose when crystal-level accuracy is mandatory and board space permits larger package |
Compared with SiT1533AI-H4-33E-4.194304E and MAX7375ETE+T, the LTC6930HMS8-4.19#PBF uniquely combines factory-trimmed silicon oscillator performance with user-selectable division ratios in an industry-standard MSOP package - enabling flexible timing architecture without external components or layout changes.
Availability
LTC6930HMS8-4.19#PBF is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and medical device applications requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for LTC6930HMS8-4.19#PBF 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 continues its legacy of high-performance analog, mixed-signal, and precision timing ICs.
The LTC6930HMS8-4.19#PBF belongs to the LTC®6930 family of micropower silicon oscillators designed specifically for replacing quartz crystals in space-constrained, battery-sensitive, and high-temperature industrial and automotive systems.
FAQ
What is the nominal output frequency of the LTC6930HMS8-4.19#PBF?
The LTC6930HMS8-4.19#PBF is factory-programmed with a master oscillator frequency of 4.194304MHz. Its output frequency is determined by dividing this value using the DIVA/DIVB/DIVC pins - yielding 4.194304MHz when all three pins are low (÷1), and lower frequencies down to 32.768kHz at ÷128. This nominal value is explicitly defined in the datasheet's Note 4.
Does the LTC6930HMS8-4.19#PBF require external load capacitors like quartz crystals?
No, the LTC6930HMS8-4.19#PBF is a fully integrated silicon oscillator and requires no external load capacitors. Only standard 0.1µF ceramic bypass capacitors between each V+ pin and its adjacent GND pin are needed. This eliminates crystal matching, PCB layout sensitivity, and startup reliability issues associated with discrete resonators.
What is the maximum operating temperature rating for the LTC6930HMS8-4.19#PBF?
The LTC6930HMS8-4.19#PBF is rated for continuous operation from –40°C to +125°C, as confirmed by its "H" grade designation in the Order Information table and Absolute Maximum Ratings section. This specification is guaranteed and tested - unlike the "C" grade, which is only specified from 0°C to 70°C.
Can the LTC6930HMS8-4.19#PBF be used with a 1.8V supply?
Yes, the LTC6930HMS8-4.19#PBF operates across 1.7V to 5.5V, so 1.8V is fully supported. At 1.8V, typical supply current is 80µA (÷1 mode, 4.194304MHz) and frequency accuracy degrades to ±0.8% over full temperature range - still within usable limits for many low-voltage embedded applications.
How does the LTC6930HMS8-4.19#PBF handle switching between division ratios during operation?
The LTC6930HMS8-4.19#PBF switches cleanly between division ratios: the output transitions within one clock cycle of the new DIV setting with no glitches, runt pulses, or metastability. This behavior is verified in the Applications Information section and Typical Performance Characteristics (Figure 6930 G18), making it suitable for dynamic clock scaling in power-managed systems.
LTC6930HMS8-4.19#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Oscillator, Silicon
- Count:
- -
- Frequency:
- 4.194304MHz
- Voltage - Supply:
- 1.7V ~ 5.5V
- Current - Supply:
- 490 µA
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 8-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930HMS8-4.19#PBF FAQ
1.How can I place an order for LTC6930HMS8-4.19#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930HMS8-4.19#PBF 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 LTC6930HMS8-4.19#PBF reliable?
The price and inventory of LTC6930HMS8-4.19#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930HMS8-4.19#PBF is usually 5 days.
3.What payment methods are accepted for LTC6930HMS8-4.19#PBF?
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4.How is shipping managed for LTC6930HMS8-4.19#PBF?
LTC6930HMS8-4.19#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930HMS8-4.19#PBF 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 LTC6930HMS8-4.19#PBF?
For technical support, including LTC6930HMS8-4.19#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930HMS8-4.19#PBF requirements.
6.How does Aetrix verify that LTC6930HMS8-4.19#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6930HMS8-4.19#PBF 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 LTC6930HMS8-4.19#PBF meets industry standards.
7.What is the process for return or replacement of LTC6930HMS8-4.19#PBF?
All LTC6930HMS8-4.19#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930HMS8-4.19#PBF, 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 LTC6930HMS8-4.19#PBF part is unused and in its original packaging.
Return procedure for LTC6930HMS8-4.19#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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