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Analog Devices Inc. LTC6930CMS8-8.00#TRPBF
- Part No.:
- LTC6930CMS8-8.00#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6930CMS8-8.00#TRPBF.pdf
- Description:
- IC OSC SILICON 8MHZ 8-MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,135
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Product details
Overview
LTC6930CMS8-8.00#TRPBF from Analog Devices (formerly Linear Technology) is a digitally controlled silicon oscillator delivering factory-programmed 8.000000MHz master frequency with user-selectable division ratios (1–128) to generate outputs from 62.5kHz to 8MHz. It features <0.09% initial frequency accuracy at 25°C, 105µA typical supply current at 32kHz/3V, and 490µA at 8MHz/3V. Designed for ultra-low-power timing in battery-operated microprocessor clocking systems.
For engineers reviewing the LTC6930CMS8-8.00#TRPBF datasheet, LTC6930CMS8-8.00#TRPBF pinout, LTC6930CMS8-8.00#TRPBF application, or LTC6930CMS8-8.00#TRPBF equivalent, key selection criteria include guaranteed ±0.1% frequency accuracy over temperature for industrial-grade operation, sub-110µs power-on delay, RMS period jitter <0.15% at 3V, and compatibility with 1.7V–5.5V single-supply battery sources.
Technical Context
The LTC6930CMS8-8.00#TRPBF implements a proprietary switched-capacitor feedback loop to stabilize its internal 8.000000MHz master oscillator across –40°C to 85°C. Its three digital DIV pins (DIVA/DIVB/DIVC) configure binary division ratios (1–128) without external components, enabling precise output frequency selection per Table 1.
It uses dual V+ pins (1 & 8) and dual GND pins (2 & 6) to isolate the oscillator core from output driver noise. The CMOS output driver delivers <40Ω series resistance at 3V with 3ns rise/fall time, supporting up to 50pF capacitive load while maintaining <0.8% frequency drift over 1.7V–5.5V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Master Frequency | 8.000000MHz - factory-trimmed reference used as base for all divided outputs |
| Initial Frequency Accuracy | ±0.09% max at 25°C - ensures immediate timing compliance without calibration |
| Supply Voltage Range | 1.7V to 5.5V - supports direct operation from single Li-ion or dual AA cells |
| Supply Current (8MHz, 3V) | 490µA typical - enables multi-year battery life in low-duty-cycle wake-up systems |
| Start-Up Time | <110µs - guarantees rapid, glitch-free clock availability after power assertion |
| RMS Period Jitter | <0.15% at 3V - meets timing margin requirements for MCU clock domains and serial interfaces |
| Operating Temperature | –40°C to +85°C - qualified for industrial ambient conditions without derating |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3.00mm × 3.00mm footprint, 0.65mm pitch, exposed thermal pad not present (MSOP variant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive Supply Input | Dual supply pins reduce supply impedance and improve PSRR; each requires local 0.1µF 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, DIVB, DIVC (Pins 3, 4, 5) | Frequency Division Control | CMOS logic inputs (VIH = 1.4V min, VIL = 0.7V max) selecting 1-of-8 division ratios via [DIVC][DIVB][DIVA] code |
| OUT (Pin 7) | CMOS Clock Output | Low-impedance (40Ω typ at 3V), rail-to-rail output driving ≤50pF or 1kΩ; held low during start-up |
Key Features
| Feature | Design Value |
|---|---|
| No external timing components required | Reduces BOM count and PCB area; eliminates crystal load capacitor tuning and aging concerns |
| Digitally programmable division (1–128) | Enables single-part stocking for multiple clock frequencies across product variants |
| Ultralow power consumption | 105µA at 32kHz allows use in always-on real-time clock subsystems with nanoamp quiescent budgets |
| Fast, glitch-free DIV pin switching | Output transitions cleanly within one clock cycle-no runt pulses or metastability during dynamic reconfiguration |
| Stable frequency over supply voltage | 0.07%/V drift enables reliable operation across full battery discharge curve (e.g., 3.6V → 2.0V) |
Applications
| Microprocessor Clock Source | Portable Medical Sensor Node |
|---|---|
Use Scenario: Providing main system clock to ARM Cortex-M0+ MCU in handheld diagnostic device. IC Role / Device Role / Timing Role: Primary clock generator replacing quartz crystal + buffer; supplies 4MHz divided output to MCU core. Use Value: Eliminates crystal startup delay and mechanical shock sensitivity while maintaining ±0.1% timing accuracy over –20°C to +60°C operating range. | Use Scenario: Synchronizing ADC sampling and BLE radio wakeup in battery-powered glucose monitor. IC Role / Device Role / Timing Role: Low-power timing reference for duty-cycled sensor acquisition and wireless transmission bursts. Use Value: 105µA supply current at 32.768kHz enables >5-year battery life on CR2032; sub-110µs start-up supports 100ms wake-up intervals. |
| Industrial PLC I/O Module | Smart Energy Meter Real-Time Clock |
Use Scenario: Generating isolated timing for digital input debounce and PWM output control in DIN-rail mounted controller. IC Role / Device Role / Timing Role: Precision clock source for FPGA-based timing engine managing 16-channel digital I/O state machines. Use Value: ±0.1% frequency accuracy over –40°C to +85°C ensures deterministic scan cycle timing without software compensation. | Use Scenario: Driving RTC subsystem in revenue-grade electricity meter requiring traceable timekeeping under variable temperature and voltage. IC Role / Device Role / Timing Role: Factory-calibrated 32.768kHz output (DIV=256) serving as timebase for calendar and tariff scheduling. Use Value: 30ppm/√kHr long-term drift ensures <0.02% cumulative error over 10 years of continuous operation. |
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-32.768D | 32.768kHz fixed-output MEMS oscillator; no digital division; ±10ppm initial accuracy | Single-frequency RTC use only; lacks programmability and wide-range output capability | Select when only 32.768kHz is needed and ultra-low jitter (<1ppm) is critical |
| MAX7375ATY+ | 3-output programmable clock generator; supports I²C configuration; 1.8V–5.5V supply; ±50ppm accuracy | Multi-clock distribution with independent outputs; higher power (1.2mA) and larger package (16-pin TQFN) | Select when multiple synchronized clocks (e.g., CPU, USB, audio) are required on one chip |
Compared with SiT1533AI-H4-33E-32.768D and MAX7375ATY+, the LTC6930CMS8-8.00#TRPBF uniquely balances single-chip programmability, sub-500µA 8MHz operation, and industrial temperature qualification-making it optimal for cost-sensitive, space-constrained embedded systems needing flexible yet precise timing.
Availability
LTC6930CMS8-8.00#TRPBF is available at Aetrix Electronics and suitable for industrial PLC modules, portable medical sensors, smart energy meters, and battery-powered microcontroller applications requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for LTC6930CMS8-8.00#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 high-performance analog and mixed-signal product lines, including precision timing solutions.
The LTC6930CMS8-8.00#TRPBF belongs to the LTC6930 family of micropower silicon oscillators engineered for battery-critical applications where quartz crystals are impractical due to size, shock sensitivity, or startup delay.
FAQ
What is the maximum output frequency achievable with the LTC6930CMS8-8.00#TRPBF?
The LTC6930CMS8-8.00#TRPBF has a factory-programmed master oscillator frequency of 8.000000MHz. When configured with DIVA=DIVB=DIVC=0 (division ratio = 1), the device outputs its full master frequency: 8.000000MHz. This is the highest frequency available from the LTC6930CMS8-8.00#TRPBF and is specified with <0.09% initial accuracy at 25°C and ±0.1% over –40°C to +85°C.
Does the LTC6930CMS8-8.00#TRPBF require external load capacitors like quartz crystals?
No, the LTC6930CMS8-8.00#TRPBF is a fully integrated silicon oscillator and requires no external load capacitors. Only standard 0.1µF ceramic bypass capacitors between each V+ pin (1 and 8) and its adjacent GND pin (2 and 6) are needed. The device's internal architecture eliminates crystal matching, aging, and board-level parasitic sensitivity-unlike traditional crystal-based timing solutions.
How does the LTC6930CMS8-8.00#TRPBF achieve such low power consumption at 8MHz?
The LTC6930CMS8-8.00#TRPBF achieves 490µA typical supply current at 8MHz/3V through proprietary switched-capacitor regulation and optimized CMOS oscillator core design. Its dual-V+/dual-GND layout minimizes supply noise coupling, while the output driver's 40Ω series resistance and controlled 3ns edge rates reduce dynamic power. Unlike PLL-based clock generators, it avoids high-current phase detectors and dividers-enabling true micropower performance at MHz frequencies.
Can the LTC6930CMS8-8.00#TRPBF be reprogrammed in-circuit to change output frequency?
No, the LTC6930CMS8-8.00#TRPBF's master oscillator frequency (8.000000MHz) is factory-trimmed and permanently fixed. However, its output frequency is dynamically selectable in-circuit via the three digital DIV pins (DIVA/DIVB/DIVC), which configure division ratios from 1 to 128. This provides eight discrete output frequencies (e.g., 8MHz, 4MHz, 2MHz, 1MHz, 500kHz, 250kHz, 125kHz, 62.5kHz) without firmware or communication interface.
What is the meaning of "#TRPBF" in the part number LTC6930CMS8-8.00#TRPBF?
The suffix "#TRPBF" denotes tape-and-reel packaging (TR) with lead-free (Pb-free) finish (PBF) and RoHS-compliant plating. "TR" indicates the part is supplied in a 2,500-unit reel (standard for MS8 packages), and "PBF" confirms it meets JEDEC J-STD-609A Class 2a requirements. This matches the ordering information in the datasheet for industrial-grade temperature range (–40°C to +85°C) and MSOP packaging.
LTC6930CMS8-8.00#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:
- 8MHz
- Voltage - Supply:
- 1.7V ~ 5.5V
- Current - Supply:
- 926 µA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930CMS8-8.00#TRPBF FAQ
1.How can I place an order for LTC6930CMS8-8.00#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930CMS8-8.00#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 LTC6930CMS8-8.00#TRPBF reliable?
The price and inventory of LTC6930CMS8-8.00#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930CMS8-8.00#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6930CMS8-8.00#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930CMS8-8.00#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930CMS8-8.00#TRPBF?
LTC6930CMS8-8.00#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930CMS8-8.00#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 LTC6930CMS8-8.00#TRPBF?
For technical support, including LTC6930CMS8-8.00#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930CMS8-8.00#TRPBF requirements.
6.How does Aetrix verify that LTC6930CMS8-8.00#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6930CMS8-8.00#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 LTC6930CMS8-8.00#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6930CMS8-8.00#TRPBF?
All LTC6930CMS8-8.00#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930CMS8-8.00#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 LTC6930CMS8-8.00#TRPBF part is unused and in its original packaging.
Return procedure for LTC6930CMS8-8.00#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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