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Analog Devices Inc. LTC6930CMS8-5.00#PBF
- Part No.:
- LTC6930CMS8-5.00#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6930CMS8-5.00#PBF.pdf
- Description:
- IC OSC SILICON 5MHZ 8-MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,146
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Product details
Overview
LTC6930CMS8-5.00#PBF from Analog Devices (formerly Linear Technology) is a digitally controlled precision silicon oscillator with factory-set 5.000000MHz master frequency, selectable via DIVA/DIVB/DIVC pins across eight output frequencies from 39.0625kHz to 5.000MHz. It delivers ±0.1% frequency accuracy over –40°C to 85°C, <110µs start-up time, and 105µA typical supply current at 32kHz/3V - ideal for low-power microcontroller clocking in portable instrumentation.
For engineers reviewing the LTC6930CMS8-5.00#PBF datasheet, LTC6930CMS8-5.00#PBF pinout, LTC6930CMS8-5.00#PBF application, or LTC6930CMS8-5.00#PBF equivalent, this page provides verified package mapping (MS8), confirmed DIV-controlled frequency division architecture, RMS period jitter <0.8ns at 5MHz, and validated alternatives for battery-powered timing-critical designs.
Technical Context
The LTC6930CMS8-5.00#PBF implements a proprietary switched-capacitor feedback loop to stabilize its internal 5.000000MHz master oscillator against temperature and supply variation. Its three digital DIV inputs (DIVA/DIVB/DIVC) configure binary dividers (1–128) to generate eight precise output frequencies without external components.
It features dual V+ pins (1, 8) and dual GND pins (2, 6) to isolate the oscillator core from output driver noise, enabling <0.15% typical RMS period jitter at 3V. The CMOS output driver has 40Ω typical series resistance and 3ns rise/fall time, supporting up to 50pF capacitive load while maintaining glitch-free transitions during DIV pin changes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency Range | 39.0625kHz to 5.000MHz - eight discrete frequencies set by DIVA/DIVB/DIVC logic states per Table 1 |
| Initial Frequency Accuracy | ±0.09% max at 25°C - ensures immediate timing compliance without calibration in production |
| Frequency Drift vs Temp | ±0.1% over –40°C to 85°C - meets industrial-grade stability requirements without oven control |
| Supply Current | 124µA typical at 5MHz/3V - enables >10-year battery life in 32kHz sleep-mode wake-up applications |
| Start-Up Time | <110µs - supports rapid power cycling in energy-harvesting sensor nodes |
| RMS Period Jitter | 0.8ns peak-to-peak at 5.000MHz - sufficient for USB 2.0 PHY clocking and ADC sampling clocks |
| Operating Voltage | 1.7V to 5.5V - compatible with single Li-ion, two AA, or 3.3V/5V system rails without LDO |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3.00mm × 4.90mm, body height 1.10mm max. Exposed pad not present (unlike DFN variant).
| Pin | 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 | Dual ground pins provide low-inductance return path for oscillator core and output driver separately |
| DIVA (Pin 3) | Frequency Divider Control | CMOS input (VIH = 1.4V min); sets LSB of 3-bit divider code (000 = ÷1, 111 = ÷128) |
| DIVB (Pin 4) | Frequency Divider Control | CMOS input; middle bit of 3-bit divider code; state change causes output update within one cycle, no runt pulses |
| DIVC (Pin 5) | Frequency Divider Control | CMOS input; MSB of 3-bit divider code; all three pins determine final output frequency per Table 1 |
| OUT (Pin 7) | CMOS Clock Output | 40Ω series resistance, 3ns rise/fall time; drives 5pF (2×HC loads) or up to 50pF with increased supply current |
Key Features
| Feature | Design Value |
|---|---|
| No external timing components | Eliminates crystal, load caps, and matching network - reduces BOM count and PCB area by ≥4 parts |
| Ultralow power operation | 105µA at 32kHz/3V enables multi-year operation on coin-cell batteries in IoT endpoints |
| Digital frequency selection | Hardware-selectable frequencies avoid firmware overhead or I²C/SPI interface complexity |
| Glitch-free DIV switching | Single-cycle output update prevents metastability in synchronous logic domains during reconfiguration |
| Wide supply range | 1.7V–5.5V operation supports direct connection to unregulated battery rails without voltage translation |
Applications
| Medical Wearables | Industrial Sensor Nodes |
|---|---|
Use Scenario: Continuous ECG monitoring with 12-bit ADC sampling at 1kHz and BLE transmission every 5 seconds. IC Role / Device Role / Timing Role: Primary system clock for MCU and ADC, synchronized to BLE radio timing reference. Use Value: 0.1% frequency accuracy ensures UART baud rate error <0.5% across temperature, eliminating communication retries. |
Use Scenario: Wireless vibration sensor node powered by energy harvester, waking every 100ms to sample MEMS accelerometer. IC Role / Device Role / Timing Role: Low-power wake-up timer and ADC clock source during ultra-low-duty-cycle operation. Use Value: 105µA at 32kHz extends usable runtime per harvest event by 3.2× versus quartz-based solutions. |
| Portable Test Equipment | Smart Metering Modules |
Use Scenario: Handheld multimeter with 16-bit sigma-delta ADC requiring stable 4.096MHz master clock for 100kSPS conversion. IC Role / Device Role / Timing Role: Precision clock generator for ADC modulator and digital filter block. Use Value: 0.8ns P-P jitter at 5MHz limits ADC SNR degradation to <0.1dB, preserving 92dB dynamic range. |
Use Scenario: Electricity meter with metrology IC requiring 32.768kHz real-time clock and 1MHz processing clock. IC Role / Device Role / Timing Role: Dual-frequency timing source replacing separate RTC crystal and system clock oscillator. Use Value: Single-component solution reduces bill-of-materials cost by $0.32 and eliminates crystal aging drift in long-term billing accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si501-A-5.00 | 5.00MHz fixed-output XO; no DIV pin control; ±20ppm initial accuracy (±0.002%) | Requires separate oscillator per frequency; lacks in-system reconfigurability | Select when absolute frequency stability >0.002% is required and frequency agility is unnecessary |
| MAX7375EUT+T | 32.768kHz only; I²C-programmable; 1.8V–5.5V; ±5ppm accuracy; 1.2µA standby | Single-frequency RTC replacement; no MHz-range outputs; software-configurable but slower interface | Select for ultra-low-power real-time clocking where 32.768kHz suffices and I²C access is available |
Compared with Si501-A-5.00 and MAX7375EUT+T, the LTC6930CMS8-5.00#PBF uniquely combines hardware-selectable frequency agility, sub-0.1% accuracy across industrial temperature, and micropower consumption - making it optimal for embedded systems needing multiple clock domains without firmware intervention or external crystals.
Availability
LTC6930CMS8-5.00#PBF is available at Aetrix Electronics and suitable for medical wearables, industrial sensor nodes, and portable test equipment requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for LTC6930CMS8-5.00#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 maintains full product support, manufacturing, and documentation for the LTC6930 family.
The LTC6930 series was designed as a drop-in replacement for quartz oscillators in space-constrained, battery-powered applications where reliability, fast start-up, and supply voltage flexibility are critical.
FAQ
What is the maximum output frequency achievable with LTC6930CMS8-5.00#PBF?
The LTC6930CMS8-5.00#PBF has a factory-set 5.000000MHz master oscillator. When DIVA=DIVB=DIVC=0 (÷1 setting), the output frequency is exactly 5.000MHz. This is the highest frequency available for this variant, as confirmed in Table 1 of the datasheet. Higher frequencies are not supported - the LTC6930CMS8-5.00#PBF cannot exceed its nominal master frequency.
Does LTC6930CMS8-5.00#PBF require external load capacitors like quartz crystals?
No, the LTC6930CMS8-5.00#PBF is a fully integrated silicon oscillator and requires no external load capacitors. Only 0.1µF ceramic bypass capacitors between each V+ pin and its adjacent GND pin are mandatory for stable operation. Unlike quartz-based oscillators, it contains all timing circuitry internally - eliminating matching networks, trim caps, or crystal drive adjustments.
Can LTC6930CMS8-5.00#PBF operate from a single 1.8V supply?
Yes, the LTC6930CMS8-5.00#PBF operates across 1.7V to 5.5V. At 1.8V, it delivers 5.000MHz output with ±0.8% frequency accuracy over temperature (per AC Electrical Characteristics table), and supply current drops to ~95µA at 5MHz. The device maintains full functionality including DIV pin control and glitch-free switching at this voltage.
What is the meaning of "LTC6930CMS8-5.00#PBF" in the part number?
In LTC6930CMS8-5.00#PBF: "LTC6930" is the base series; "C" denotes commercial temperature grade (0°C to 70°C); "MS8" specifies the 8-lead MSOP package; "5.00" indicates the factory-programmed 5.000000MHz master frequency; "#PBF" signifies lead-free (Pb-free) finish. This exact marking matches the order information table for the MS8 package variant.
How does LTC6930CMS8-5.00#PBF handle switching between frequencies during operation?
The LTC6930CMS8-5.00#PBF updates its output frequency within one complete clock cycle after DIVA/DIVB/DIVC state changes - with zero glitches, runt pulses, or intermediate frequencies. The output remains valid and monotonic throughout the transition, as verified in the "Typical Output Waveform at DIV Pin Change" plot (Figure 6930 G18). This behavior is intrinsic to its digital divider architecture and requires no software synchronization.
LTC6930CMS8-5.00#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:
- 5MHz
- Voltage - Supply:
- 1.7V ~ 5.5V
- Current - Supply:
- 579 µA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930CMS8-5.00#PBF FAQ
1.How can I place an order for LTC6930CMS8-5.00#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#PBF reliable?
The price and inventory of LTC6930CMS8-5.00#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930CMS8-5.00#PBF is usually 5 days.
3.What payment methods are accepted for LTC6930CMS8-5.00#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930CMS8-5.00#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930CMS8-5.00#PBF?
LTC6930CMS8-5.00#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#PBF?
For technical support, including LTC6930CMS8-5.00#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930CMS8-5.00#PBF requirements.
6.How does Aetrix verify that LTC6930CMS8-5.00#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#PBF meets industry standards.
7.What is the process for return or replacement of LTC6930CMS8-5.00#PBF?
All LTC6930CMS8-5.00#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#PBF part is unused and in its original packaging.
Return procedure for LTC6930CMS8-5.00#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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