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Analog Devices Inc. LTC6930CMS8-5.00#TRPBF
- Part No.:
- LTC6930CMS8-5.00#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6930CMS8-5.00#TRPBF.pdf
- Description:
- IC OSC SILICON 5MHZ 8-MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,938
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Product details
Overview
LTC6930CMS8-5.00#TRPBF from Analog Devices (formerly Linear Technology) is a digitally controlled 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, 105µA typical supply current at 32kHz/3V, and <110µs start-up time. It serves as a precision timing source in battery-powered microcontroller clocking and portable instrumentation.
For engineers reviewing the LTC6930CMS8-5.00#TRPBF datasheet, LTC6930CMS8-5.00#TRPBF pinout, LTC6930CMS8-5.00#TRPBF application, or LTC6930CMS8-5.00#TRPBF equivalent, key selection criteria include its 0.09% max initial frequency error at 25°C, MS8 package compatibility, 1.7V–5.5V single-supply operation, and deterministic jitter performance under varying load capacitance and supply voltage.
Technical Context
The LTC6930CMS8-5.00#TRPBF implements a proprietary switched-capacitor feedback loop to stabilize its internal 5.000000MHz master oscillator against temperature and supply variation. Its three CMOS digital inputs (DIVA/DIVB/DIVC) configure binary dividers (1–128) to generate eight precise output frequencies without external components.
It features dual V+ and GND pins per side to isolate the output driver path from control-loop noise, enabling low deterministic jitter (<0.15% RMS period jitter at 3V) even with 50pF capacitive loads. The output stage provides <40Ω series resistance and 3ns rise/fall times, optimized for clean signal integrity in noisy embedded environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency Range | 39.0625kHz to 5.000MHz - eight factory-defined steps via DIV pin states, no external tuning required |
| Initial Frequency Accuracy | ±0.09% max at 25°C - ensures immediate timing compliance without calibration |
| Frequency Drift vs Temp | 0.0001%/°C (MS8) - enables stable operation across industrial temperature range (–40°C to 85°C) |
| Supply Current | 124µA typical at 5MHz/3V - ultralow power supports multi-year battery life in duty-cycled systems |
| Start-Up Time | <110µs - guarantees rapid, glitch-free clock availability after wake-up |
| RMS Period Jitter | 0.97nsP-P at 5MHz/3V - meets timing margin requirements for high-speed serial interfaces |
| Supply Voltage Range | 1.7V to 5.5V - operates directly from single Li-ion cell or dual AA alkaline batteries |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3.00mm × 4.90mm, exposed pad not present (MSOP variant). Pin 1 marked by notch; pin 1–4 on top row left-to-right, pin 5–8 on bottom row right-to-left.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive Supply Input | Dual supply pins reduce PSRR coupling; each requires local 0.1µF bypass to adjacent GND |
| GND (Pins 2, 6) | Ground Reference | Dual ground pins minimize return-path inductance; must be connected together and to system ground plane |
| DIVA (Pin 3) | Frequency Divider Control | CMOS input (VIH ≥ 1.25V); LSB of 3-bit binary divider select (÷1 to ÷128) |
| DIVB (Pin 4) | Frequency Divider Control | CMOS input (VIH ≥ 1.25V); middle bit of 3-bit binary divider select |
| DIVC (Pin 5) | Frequency Divider Control | CMOS input (VIH ≥ 1.25V); MSB of 3-bit binary divider select |
| OUT (Pin 7) | CMOS Clock Output | Low-impedance (40Ω typ) push-pull driver; holds low during start-up; glitch-free on DIV changes |
Key Features
| Feature | Design Value |
|---|---|
| No external components needed | Eliminates crystal, load caps, and matching networks-reduces BOM count and layout area by >3 components |
| Digital frequency selection | Three logic pins enable 8 discrete frequencies from one footprint-supports firmware-configurable clock trees |
| Ultralow power consumption | 105µA at 32kHz/3V enables >10-year battery life in always-on sensor nodes |
| Fast, glitch-free start-up | <110µs start-up with held-low output prevents MCU lockup or peripheral initialization failure |
| Stable over supply and temp | ±0.1% frequency accuracy over –40°C to 85°C and 1.7V–5.5V ensures timing predictability in harsh environments |
Applications
| Microprocessor Clock Source | Portable Medical Instrumentation |
|---|---|
Use Scenario: Providing main system clock to ARM Cortex-M0+ MCU in handheld glucose meter with intermittent operation. IC Role / Device Role / Timing Role: Primary clock generator delivering 2.5MHz to MCU core and peripherals via configurable DIV setting. Use Value: 124µA supply current at 2.5MHz/3V extends two-AA battery life beyond 3 years; ±0.1% accuracy ensures reliable ADC sampling timing. | Use Scenario: Synchronizing data acquisition in wearable ECG patch with Bluetooth LE transmission bursts. IC Role / Device Role / Timing Role: Low-jitter 39.0625kHz clock for SAR ADC and real-time clock subsystem. Use Value: 0.97nsP-P jitter at 39kHz maintains 14-bit effective resolution; 1.7V minimum supply allows direct use of depleted battery voltage. |
| Industrial Sensor Node Timing | Smart Utility Meter Reference Clock |
Use Scenario: Driving ultra-low-power sub-GHz RF transceiver and temperature sensor in wireless pressure node deployed in oil field. IC Role / Device Role / Timing Role: Precision timing reference for sleep/wake cycles and measurement intervals in -40°C to 85°C ambient. Use Value: 0.0001%/°C drift ensures <±0.5% cumulative timing error over 10-year deployment; MS8 package withstands thermal cycling. | Use Scenario: Generating stable 1MHz clock for metrology-grade energy measurement ASIC in smart electricity meter. IC Role / Device Role / Timing Role: Primary oscillator for polyphase watt-hour calculation engine requiring long-term stability. Use Value: 30ppm/√kHr long-term drift limits timing error to <0.02% over 15 years; 5.000MHz base frequency enables exact integer division to metrology clocks. |
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-32.768000 | 32.768kHz fixed-frequency MEMS oscillator; ±20ppm initial accuracy; no digital divider | Single-frequency RTC replacement only; lacks programmability and wide-range output | Select when only 32.768kHz is required and lowest possible power (60nA) is critical |
| MAX7375ETE+T | 5V-tolerant I²C-programmable oscillator; 1kHz–50MHz range; ±50ppm accuracy; requires external configuration | Software-configurable frequency but higher power (1.2mA at 1MHz) and larger footprint | Select when dynamic frequency reconfiguration via host processor is mandatory |
Compared with SiT1533AI-H4-33E-32.768000 and MAX7375ETE+T, the LTC6930CMS8-5.00#TRPBF uniquely balances factory-trimmed 5MHz precision, zero-software digital control, and sub-200µA active current-making it optimal for cost-sensitive, firmware-simple, battery-constrained designs needing multiple discrete clock rates.
Availability
LTC6930CMS8-5.00#TRPBF is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor nodes, smart utility meters, and battery-powered microcontroller clocking requiring stable component supply and guaranteed long-term sourcing.
Supply support for LTC6930CMS8-5.00#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, Inc. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC6930 series belongs to Analog Devices' precision timing portfolio, designed specifically for replacing quartz crystals and oscillators in space-, power-, and reliability-constrained embedded systems where programmability and robustness are essential.
FAQ
What is the nominal master oscillator frequency of the LTC6930CMS8-5.00#TRPBF?
The LTC6930CMS8-5.00#TRPBF has a factory-programmed master oscillator frequency of exactly 5.000000MHz. This base frequency is divided by integer values 1–128 via the DIVA/DIVB/DIVC pins to produce eight output frequencies ranging from 39.0625kHz to 5.000MHz. The 5.000000MHz value is specified in the device's ordering code and confirmed in the Linear Technology/LTC6930 datasheet Table 1.
Does the LTC6930CMS8-5.00#TRPBF require external load capacitors like quartz crystals?
No, the LTC6930CMS8-5.00#TRPBF is a fully integrated silicon oscillator and requires no external load capacitors or resonators. Only standard 0.1µF ceramic bypass capacitors between each V+ pin and its adjacent GND pin are needed. This eliminates crystal matching uncertainty, PCB layout sensitivity, and aging-related frequency drift inherent in quartz-based solutions.
What is the operating temperature range for the LTC6930CMS8-5.00#TRPBF?
The LTC6930CMS8-5.00#TRPBF is rated for operation from –40°C to +85°C (I-grade). This is explicitly defined in the "Order Information" section of the datasheet for the IMS8 variant, and the part marking "LTCLB" corresponds to the –40°C to 85°C specification. Its frequency accuracy remains within ±0.1% across this full range.
How does the LTC6930CMS8-5.00#TRPBF achieve low jitter despite being a silicon oscillator?
The LTC6930CMS8-5.00#TRPBF achieves low jitter through a proprietary switched-capacitor feedback loop that actively stabilizes its master oscillator against process, voltage, and temperature variations. Combined with dual-supply/dual-ground isolation and a low-impedance (40Ω) CMOS output driver with controlled 3ns rise/fall times, it delivers <0.15% RMS period jitter at 3V-performance competitive with mid-tier quartz oscillators.
Can the DIV pins of the LTC6930CMS8-5.00#TRPBF be changed dynamically during operation?
Yes, the DIVA/DIVB/DIVC pins of the LTC6930CMS8-5.00#TRPBF can be reconfigured dynamically during operation. The device responds within one output clock cycle without generating glitches, runt pulses, or frequency transients. This allows real-time clock rate adaptation in firmware-controlled systems, such as switching between low-power sleep mode (39.0625kHz) and active processing mode (5.000MHz) on the same LTC6930CMS8-5.00#TRPBF.
LTC6930CMS8-5.00#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- 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#TRPBF FAQ
1.How can I place an order for LTC6930CMS8-5.00#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#TRPBF reliable?
The price and inventory of LTC6930CMS8-5.00#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930CMS8-5.00#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6930CMS8-5.00#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930CMS8-5.00#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930CMS8-5.00#TRPBF?
LTC6930CMS8-5.00#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#TRPBF?
For technical support, including LTC6930CMS8-5.00#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930CMS8-5.00#TRPBF requirements.
6.How does Aetrix verify that LTC6930CMS8-5.00#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6930CMS8-5.00#TRPBF?
All LTC6930CMS8-5.00#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930CMS8-5.00#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 LTC6930CMS8-5.00#TRPBF part is unused and in its original packaging.
Return procedure for LTC6930CMS8-5.00#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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