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Analog Devices Inc. LTC6930IDCB-5.00#TRPBF
- Part No.:
- LTC6930IDCB-5.00#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LTC6930IDCB-5.00#TRPBF.pdf
- Description:
- IC OSC SILICON 5MHZ 8-DFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,527
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Product details
Overview
LTC6930IDCB-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 clock source in battery-powered microcontroller systems requiring low power and high stability.
For engineers reviewing the LTC6930IDCB-5.00#TRPBF datasheet, LTC6930IDCB-5.00#TRPBF pinout, LTC6930IDCB-5.00#TRPBF application, or LTC6930IDCB-5.00#TRPBF equivalent, key selection criteria include initial frequency error (<0.09% at 25°C), RMS period jitter (<0.15% at 3V), supply voltage range (1.7V–5.5V), operating temperature grade (–40°C to 85°C), and DFN-8 package compatibility with space-constrained PCB layouts.
Technical Context
The LTC6930IDCB-5.00#TRPBF implements a proprietary switched-capacitor feedback loop to stabilize its internal 5.000000MHz master oscillator against temperature and supply variation. Its digital control architecture uses three CMOS input pins (DIVA/DIVB/DIVC) to select binary division ratios (1–128) for generating eight precise output frequencies.
It features dual V+ pins (Pins 1 and 8) and dual GND pins (Pins 2 and 6) to isolate oscillator output switching noise from the control loop. The output driver provides <40Ω series resistance at 3V, 2ns rise/fall times, and supports up to 50pF capacitive or 1kΩ resistive loads without external components beyond 0.1µF bypass capacitors.
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 timing-critical boot sequences meet spec without calibration |
| Frequency Drift vs Temp | 0.001%/°C (DCB package) - enables stable operation across industrial temperature range (–40°C to 85°C) |
| Supply Current | 124µA typical at 5MHz/3V - enables multi-year battery life in duty-cycled IoT sensors |
| Start-Up Time | <110µs - allows rapid wake-from-sleep clock restoration in ultra-low-power MCU applications |
| RMS Period Jitter | 0.97nsP-P at 5MHz/3V - meets setup/hold timing margins for 20MHz+ synchronous peripherals |
| Supply Voltage Range | 1.7V to 5.5V - supports direct operation from single Li-ion cell or two AA alkaline batteries |
Pinout & Package
Package: 8-lead (2mm × 3mm) plastic DFN (DCB), exposed pad (Pin 9) soldered to GND for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pins 1, 8) | Positive supply inputs | Must be bypassed individually to adjacent GND pins with 0.1µF ceramic capacitors; both pins connected externally |
| GND (Pins 2, 6) | Ground return paths | Low-inductance connection to PCB ground plane; internally tied and must connect to exposed pad (Pin 9) |
| DIVA, DIVB, DIVC (Pins 3, 4, 5) | Binary divider select inputs | CMOS logic inputs (VIH = 1.25V min); determine output frequency via 3-bit code per Table 1 |
| OUT (Pin 7) | CMOS oscillator output | Drives ≤50pF or 1kΩ load; held low during start-up; glitch-free on DIV pin changes |
| Exposed Pad (Pin 9) | Thermal & electrical ground | Required solder connection to PCB GND plane; improves thermal dissipation and reduces noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| No external timing components required | Reduces BOM count and PCB area; eliminates crystal load capacitor tuning and layout sensitivity |
| Ultralow power with fast start-up | Enables frequent sleep/wake cycles in portable devices without sacrificing timing accuracy or battery life |
| Dual supply/GND pin pairs | Minimizes supply noise coupling between oscillator core and output driver, preserving jitter performance |
| Factory-programmed master frequency | Ensures 5.000000MHz base accuracy; eliminates post-manufacture calibration for production consistency |
| Glitch-free DIV pin switching | Output transitions cleanly within one clock cycle-no runt pulses or metastability in dynamic frequency scaling |
Applications
| Microprocessor Clock | Power Supply Sequencing |
|---|---|
Use Scenario: Providing main system clock to ARM Cortex-M0+ MCU in handheld medical diagnostic device. IC Role / Device Role / Timing Role: Primary clock generator enabling CPU execution, peripheral timing, and USB interface synchronization. Use Value: 105µA supply current at 32kHz idle mode extends battery life to >3 years; ±0.1% accuracy ensures UART baud rate error remains below 0.5%. | Use Scenario: Generating synchronized enable signals for multi-rail DC/DC converters in industrial PLC I/O module. IC Role / Device Role / Timing Role: Precision timing reference for sequencer ICs controlling power-up order and delay intervals. Use Value: <110µs start-up guarantees deterministic power sequencing within 200µs of rail assertion; 0.001%/°C drift prevents timing skew across –40°C to 85°C ambient. |
| Portable Data Logger | Battery-Operated Sensor Node |
Use Scenario: Driving real-time clock (RTC) and ADC sampling clock in environmental monitoring logger powered by coin cell. IC Role / Device Role / Timing Role: Dual-frequency source: 32.768kHz for RTC and 2.5MHz for SAR ADC conversion timing. Use Value: Single-device solution eliminates separate crystal + oscillator IC; 1.7V minimum supply enables operation down to end-of-life battery voltage (1.8V). | Use Scenario: Clocking LoRaWAN transceiver and ultra-low-power sensor hub in wireless soil moisture node. IC Role / Device Role / Timing Role: Low-jitter clock source for RF PHY timing and digital signal processing block. Use Value: 0.97nsP-P jitter at 5MHz ensures clean RF carrier synthesis; –40°C to 85°C rating matches outdoor deployment 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-32.768D | 32.768kHz only, MEMS-based, ±20ppm initial accuracy (±0.002%), 1.62–3.63V supply | Fixed-frequency RTC replacement; lacks programmable division or multi-MHz outputs | Select when only 32.768kHz is needed and highest long-term stability is critical; not suitable for multi-frequency MCU clocking |
| MAX7375ETE+T | 32.768kHz to 100MHz programmable, ±50ppm accuracy, 1.7–3.6V supply, I²C interface | Software-configurable frequency; requires host MCU interaction; higher quiescent current (250µA typical) | Select when dynamic frequency reconfiguration via firmware is required; adds MCU overhead and I²C routing complexity |
Compared with SiT1533AI-H4-33E-32.768D and MAX7375ETE+T, the LTC6930IDCB-5.00#TRPBF offers superior frequency flexibility (eight factory-defined outputs without communication bus), lower power at low frequencies, and guaranteed ±0.1% accuracy over full industrial temperature range-making it optimal for fixed-function embedded clocks where simplicity and predictability are prioritized.
Availability
LTC6930IDCB-5.00#TRPBF is available at Aetrix Electronics and suitable for battery-operated medical devices, industrial sensor nodes, and portable data loggers requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for LTC6930IDCB-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 acquired Linear Technology in 2017 and maintains its precision analog and timing product lines with full technical support and long-term manufacturing commitment.
The LTC6930 series was designed as a drop-in replacement for quartz crystals and oscillators in space- and power-constrained applications, emphasizing ultralow power, fast start-up, and robustness across wide temperature and supply ranges.
FAQ
What is the maximum output frequency achievable with LTC6930IDCB-5.00#TRPBF?
The LTC6930IDCB-5.00#TRPBF has a factory-set master oscillator frequency of 5.000000MHz. When the DIVA/DIVB/DIVC pins are configured as [000], the output frequency is 5.000MHz (÷1). This is the maximum output frequency supported by this variant. Higher frequencies are not available, as the master oscillator is fixed and no multiplication is implemented.
Does LTC6930IDCB-5.00#TRPBF require external load capacitors like quartz crystals?
No, the LTC6930IDCB-5.00#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 needed. This eliminates crystal matching uncertainty and simplifies layout compared to traditional crystal-based solutions.
Can LTC6930IDCB-5.00#TRPBF operate from a single 1.8V alkaline cell?
Yes, the LTC6930IDCB-5.00#TRPBF operates over a supply range of 1.7V to 5.5V. At 1.8V, it delivers functional output across all DIV settings, with supply current scaling accordingly (e.g., ~95µA typical at 5MHz/1.8V). This enables direct use with aging alkaline cells down to end-of-life voltage.
What is the meaning of the "I" grade in LTC6930IDCB-5.00#TRPBF?
The "I" in LTC6930IDCB-5.00#TRPBF denotes the industrial temperature grade, guaranteeing full electrical specifications over –40°C to +85°C. This differs from the "C" (commercial, 0°C to 70°C) and "H" (high-temp, –40°C to 125°C) grades, making it suitable for demanding industrial and automotive under-hood environments.
How does the exposed pad (Pin 9) on the DFN package affect thermal performance?
The exposed pad (Pin 9) on the LTC6930IDCB-5.00#TRPBF DFN package must be soldered to a PCB GND plane. This connection reduces thermal resistance (θJA = 64°C/W), improves heat dissipation during sustained high-frequency operation, and lowers ground impedance-critical for maintaining low jitter and stable frequency accuracy.
LTC6930IDCB-5.00#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- 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:
- -40°C ~ 85°C
- Supplier Device Package:
- 8-DFN (2x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6930IDCB-5.00#TRPBF FAQ
1.How can I place an order for LTC6930IDCB-5.00#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6930IDCB-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 LTC6930IDCB-5.00#TRPBF reliable?
The price and inventory of LTC6930IDCB-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 LTC6930IDCB-5.00#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6930IDCB-5.00#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6930IDCB-5.00#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6930IDCB-5.00#TRPBF?
LTC6930IDCB-5.00#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6930IDCB-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 LTC6930IDCB-5.00#TRPBF?
For technical support, including LTC6930IDCB-5.00#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6930IDCB-5.00#TRPBF requirements.
6.How does Aetrix verify that LTC6930IDCB-5.00#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6930IDCB-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 LTC6930IDCB-5.00#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6930IDCB-5.00#TRPBF?
All LTC6930IDCB-5.00#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6930IDCB-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 LTC6930IDCB-5.00#TRPBF part is unused and in its original packaging.
Return procedure for LTC6930IDCB-5.00#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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