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Analog Devices Inc. LTC6930IMS8-4.19#TRPBF
- Part No.:
- LTC6930IMS8-4.19#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6930IMS8-4.19#TRPBF.pdf
- Description:
- IC OSC SILICON 4.194304MHZ 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,601
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Product details
Overview
LTC6930IMS8-4.19#TRPBF from Analog Devices (formerly Linear Technology) is a digitally controlled, precision micropower silicon oscillator delivering 4.194304MHz output with ±0.1% frequency accuracy over –40°C to 85°C, 105µA supply current at 32kHz/3V, <110µs start-up time, and RMS period jitter <0.15% - used in battery-powered microprocessor clocking and portable instrumentation.
For engineers reviewing the LTC6930IMS8-4.19#TRPBF datasheet, LTC6930IMS8-4.19#TRPBF pinout, LTC6930IMS8-4.19#TRPBF application, or LTC6930IMS8-4.19#TRPBF equivalent, key selection criteria include factory-programmed master frequency (4.194304MHz), 3-bit DIV pin-controlled division (÷1 to ÷128), MS8 package compatibility, low-voltage operation (1.7V–5.5V), and long-term drift of 30ppm/√kHr.
Technical Context
The LTC6930IMS8-4.19#TRPBF implements a proprietary switched-capacitor feedback loop to stabilize its internal master oscillator (4.194304MHz), enabling sub-0.1% frequency accuracy across temperature and supply voltage. Its control architecture separates power domains using dual V+ pins flanking the OUT pin to minimize coupling between oscillator core and output driver.
Frequency selection is achieved via three CMOS-compatible DIV pins (DIVA/DIVB/DIVC) that configure binary dividers (1–128) to generate eight discrete output frequencies from 32.768kHz to 4.194304MHz. Output drive uses a 40Ω series resistance CMOS buffer with 3ns rise/fall time and glitch-free transitions during DIV pin changes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency | 4.194304MHz nominal; selectable down to 32.768kHz via DIV pins (÷1 to ÷128) |
| Frequency Accuracy | ±0.1% max over –40°C to 85°C at V+ = 3V–3.6V; ensures timing-critical MCU boot and UART baud rate stability |
| Supply Voltage | 1.7V to 5.5V single supply; supports direct Li-ion or dual AA alkaline operation without regulation |
| Supply Current | 105µA typical at 32.768kHz/3V; enables multi-year battery life in wake-on-interrupt systems |
| Start-Up Time | <110µs to first valid cycle; critical for low-duty-cycle sensor nodes requiring rapid wake-and-measure cycles |
| RMS Period Jitter | <0.15% at V+ = 3V; translates to ~180ps RMS at 4.194MHz, sufficient for USB 1.1 and SPI timing margins |
| Operating Temp | –40°C to +85°C (I-grade); validated for industrial edge controllers and automotive cabin electronics |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3mm × 3mm body, 0.65mm pitch, exposed thermal pad not present (unlike DFN variant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive supply input | Dual supply pins reduce supply noise coupling into oscillator core; each requires local 0.1µF bypass to adjacent GND |
| GND (Pins 2, 6) | Ground reference | Two dedicated ground pins provide low-inductance return paths for supply and output stages separately |
| OUT (Pin 7) | CMOS clock output | 40Ω series resistance driver; specified for 5pF load (≈2× HC inputs); holds low during start-up to prevent glitches |
| DIVA/DIVB/DIVC (Pins 3, 4, 5) | Binary divider select inputs | CMOS logic inputs (VIH = 1.25V min, VIL = 1.25V max); set internal ÷1 to ÷128 ratio; no external pull-ups required |
Key Features
| Feature | Design Value |
|---|---|
| Digitally programmable frequency | 8 discrete outputs from single 4.194304MHz master via 3-pin binary control - eliminates need for multiple crystal SKUs |
| Ultralow power start-up | <110µs wake time with 105µA active current at 32kHz - enables sub-100ms system response in energy-harvesting sensors |
| Supply-insensitive frequency | 0.07%/V drift - maintains UART baud rate accuracy across battery discharge from 3.6V to 2.0V |
| Glitch-free DIV switching | Output transitions cleanly within one clock cycle when DIV pins change - safe for dynamic clock scaling in MCUs |
| Long-term stability | 30ppm/√kHr drift - predicts ≤0.02% cumulative error after 5 years of continuous operation |
Applications
| Microprocessor Clock Source | Portable Medical Instrumentation |
|---|---|
Use Scenario: Providing main system clock to ARM Cortex-M0+ MCU in handheld glucose meter with 10-year shelf life requirement. IC Role / Device Role / Timing Role: Primary timing reference for CPU, peripherals, and ADC sampling clock generation. Use Value: 105µA at 32kHz extends coin-cell battery life beyond 3 years; ±0.1% accuracy ensures correct 1-second RTC tick and reliable BLE advertising interval. | Use Scenario: Synchronizing ECG signal acquisition and Bluetooth LE transmission in wearable patch monitor. IC Role / Device Role / Timing Role: Low-jitter clock source for 12-bit SAR ADC and digital baseband processor. Use Value: <0.15% RMS jitter preserves SNR in 1ksps ECG sampling; 1.7V operation allows direct connection to discharged LiPo cell (2.8V–3.6V range). |
| Industrial Sensor Node Timing | Smart Energy Meter Real-Time Clock |
Use Scenario: Clocking ultra-low-power LoRaWAN node measuring temperature/humidity every 15 minutes in remote utility cabinet. IC Role / Device Role / Timing Role: Wake-up timer and system clock during active measurement phase. Use Value: <110µs start-up minimizes active time; –40°C to +85°C rating ensures reliability in unheated outdoor enclosures. | Use Scenario: Driving RTC and metrology ASIC in Class 0.5 electricity meter operating continuously for 15+ years. IC Role / Device Role / Timing Role: Precision 32.768kHz timebase derived from ÷128 division of 4.194304MHz master. Use Value: 30ppm/√kHr long-term drift limits time error to <2 minutes over 15 years; ±0.1% initial accuracy meets IEC 62053-61 Class 0.5 timing spec. |
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-32.768E | 32.768kHz-only MEMS oscillator; ±10ppm initial accuracy; no DIV pin control; 1.62–3.63V supply | Fixed-frequency only; lacks programmability; better short-term stability but no multi-frequency flexibility | Select when only 32.768kHz is needed and highest RTC accuracy is prioritized over configurability |
| MAX7375ETE+ | 32.768kHz–20MHz programmable XO; ±50ppm initial accuracy; I²C interface instead of 3-wire DIV pins; 1.7–3.6V supply | I²C control adds firmware overhead and bus contention risk; higher jitter (1.5ps RMS) than LTC6930IMS8-4.19#TRPBF | Select when system already uses I²C for other peripherals and software-configurable frequency stepping is required |
Compared with SiT1533AI-H4-33E-32.768E and MAX7375ETE+, the LTC6930IMS8-4.19#TRPBF offers superior frequency flexibility (8 outputs from one part), lower power at low frequencies, and hardware-based DIV control eliminating firmware dependencies - making it optimal for cost-sensitive, battery-operated designs needing multiple clock rates.
Availability
LTC6930IMS8-4.19#TRPBF is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor nodes, smart energy meters, and battery-powered microcontroller applications requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for LTC6930IMS8-4.19#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 full product support, manufacturing, and documentation for the LTC6930 family.
The LTC6930 series was designed as a drop-in replacement for quartz crystals and basic oscillators in space-constrained, battery-powered systems where programmability, low power, and temperature stability are critical - targeting portable instrumentation, IoT endpoints, and industrial controls.
FAQ
What is the exact output frequency of the LTC6930IMS8-4.19#TRPBF when all DIV pins are grounded?
When DIVA = DIVB = DIVC = 0 (all grounded), the LTC6930IMS8-4.19#TRPBF outputs its nominal factory-programmed frequency of 4.194304MHz. This value is fixed per the "-4.19" suffix and confirmed in Table 1 of the datasheet. The device does not output 4.19MHz rounded - it delivers precisely 4.194304MHz before any division.
Does the LTC6930IMS8-4.19#TRPBF require external load capacitors like quartz crystals?
No, the LTC6930IMS8-4.19#TRPBF 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. The output drives up to 50pF capacitive load directly, and its frequency is unaffected by PCB trace capacitance within typical layout constraints.
Can the LTC6930IMS8-4.19#TRPBF operate from a single 1.8V supply?
Yes, the LTC6930IMS8-4.19#TRPBF operates across 1.7V to 5.5V, so 1.8V is fully supported. At 1.8V and 32.768kHz output (÷128), supply current is typically 80µA (per DC Electrical Characteristics table). Frequency accuracy degrades slightly at low voltage - ±0.8% max over full temperature range at 1.7V–5.5V - but remains within specification.
How does the LTC6930IMS8-4.19#TRPBF achieve ±0.1% frequency accuracy without calibration?
The LTC6930IMS8-4.19#TRPBF achieves ±0.1% accuracy using a factory-trimmed master oscillator and a proprietary switched-capacitor feedback loop that actively compensates for temperature and supply variations. No user calibration or external components are needed - accuracy is guaranteed over –40°C to 85°C and 1.7V–5.5V without trimming resistors or EEPROM storage.
Is the MS8 package of the LTC6930IMS8-4.19#TRPBF pin-compatible with the DFN (DCB) variant?
No, the MS8 (8-lead MSOP) and DCB (8-lead 2mm×3mm DFN) packages of the LTC6930IMS8-4.19#TRPBF are not pin-compatible. While both have 8 terminals, their pinouts differ: MS8 assigns V+ to Pins 1/8, GND to Pins 2/6, and OUT to Pin 7; DFN places V+ at Pins 1/8, GND at Pins 2/6/9 (exposed pad), and OUT at Pin 7 - but physical layout, pitch, and thermal pad presence make them mechanically and electrically incompatible without PCB redesign.
LTC6930IMS8-4.19#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:
- 4.194304MHz
- Voltage - Supply:
- 1.7V ~ 5.5V
- Current - Supply:
- 490 µA
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 8-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930IMS8-4.19#TRPBF FAQ
1.How can I place an order for LTC6930IMS8-4.19#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930IMS8-4.19#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 LTC6930IMS8-4.19#TRPBF reliable?
The price and inventory of LTC6930IMS8-4.19#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6930IMS8-4.19#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6930IMS8-4.19#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930IMS8-4.19#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930IMS8-4.19#TRPBF?
LTC6930IMS8-4.19#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930IMS8-4.19#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 LTC6930IMS8-4.19#TRPBF?
For technical support, including LTC6930IMS8-4.19#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930IMS8-4.19#TRPBF requirements.
6.How does Aetrix verify that LTC6930IMS8-4.19#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6930IMS8-4.19#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 LTC6930IMS8-4.19#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6930IMS8-4.19#TRPBF?
All LTC6930IMS8-4.19#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930IMS8-4.19#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 LTC6930IMS8-4.19#TRPBF part is unused and in its original packaging.
Return procedure for LTC6930IMS8-4.19#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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