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Analog Devices Inc. LTC6905HS5-133#TRMPBF
- Part No.:
- LTC6905HS5-133#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6905HS5-133#TRMPBF.pdf
- Description:
- IC OSC SILICON 133MHZ TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,822
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Product details
Overview
LTC6905HS5-133#TRMPBF from Analog Devices (formerly Linear Technology) is a precision fixed-frequency silicon oscillator in ThinSOT-23 package, delivering factory-trimmed output frequencies of 133.33 MHz, 66.66 MHz, or 33.33 MHz via internal ÷1/÷2/÷4 divider. It operates from 2.7V to 5.5V, achieves ±0.5% typical frequency accuracy at 25°C, and maintains ±20 ppm/°C temperature stability - designed for high-reliability clocking in harsh environments.
For engineers reviewing the LTC6905HS5-133#TRMPBF datasheet, LTC6905HS5-133#TRMPBF pinout, LTC6905HS5-133#TRMPBF application, or LTC6905HS5-133#TRMPBF equivalent, key selection considerations include its rail-to-rail CMOS output driving 600Ω loads, 100 µs typical start-up time, synchronous OE control, and H-grade operation up to +125°C ambient.
Technical Context
The LTC6905HS5-133#TRMPBF integrates a master oscillator with programmable three-state divider (N = 1, 2, or 4), enabling three discrete output frequencies from a single device. Its internal bias circuitry sets VRES = 1V ±5%, stabilizing frequency against supply variation.
It features asynchronous output disable via OE pin and synchronous enable on next rising edge, eliminating pulse glitches. The DIV pin detects high/low/floating states using dual 15 µA current sources - no external pull resistors required - and supports noise-immune configuration without three-state buffers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequencies | 133.33 MHz (÷1), 66.66 MHz (÷2), 33.33 MHz (÷4) - factory-programmed, no external components needed |
| Frequency Accuracy | ±0.5% typical at 25°C; ±2.9% over –40°C to +125°C - specified for H-grade industrial/automotive use |
| Temp Stability | ±20 ppm/°C - enables stable timing in high-vibration, wide-temperature environments |
| Rise/Fall Time | 0.5 ns (10%–90%, CL = 5 pF) - supports clean signal integrity for high-speed digital interfaces |
| Supply Range | 2.7 V to 5.5 V - compatible with 3.3 V and 5 V systems; optimized performance at 3 V |
| Timing Jitter | <0.8% typical - low jitter critical for data sampling, ADC clocks, and SERDES reference timing |
| Duty Cycle | 50% ±2.5% - ensures balanced high/low periods for symmetric logic timing and PLL input |
Pinout & Package
Package: TSOT-23-5 (ThinSOT™), 1 mm profile, JEDEC MO-193 compliant, 5-pin plastic surface-mount package with exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pin 1) | Power Supply Input | 2.7 V to 5.5 V supply; requires local 0.1 µF bypass capacitor directly to GND for noise immunity |
| GND (Pin 2) | Ground Reference | Low-impedance return path; must connect to solid ground plane with multiple vias for EMI control |
| OE (Pin 3) | Output Enable Control | Active-high synchronous enable; pulling low disables output asynchronously - prevents runt pulses |
| DIV (Pin 4) | Divider Ratio Select | Three-state input: tied to V+ → ÷1, floating → ÷2, tied to GND → ÷4; internal 15 µA bias eliminates need for external resistors |
| OUT (Pin 5) | CMOS Clock Output | Rail-to-rail square wave; drives 600 Ω load at 2.7 V or 5 kΩ / 5 pF; rise/fall time ≤0.5 ns into 5 pF |
Key Features
| Feature | Design Value |
|---|---|
| No external components | Factory-trimmed frequency eliminates crystal, capacitors, or resistors - reduces BOM count and layout area |
| Fast 100 µs start-up | Enables rapid system wake-up and deterministic boot timing in power-gated applications |
| Synchronous OE control | Eliminates output glitches during enable/disable transitions - critical for glitch-free clock gating |
| H-grade temperature range | –40°C to +125°C operating range supports under-hood automotive, industrial control, and avionics |
| Low-jitter CMOS output | <0.8% timing jitter ensures reliable sampling in high-speed ADCs, FPGAs, and communication PHYs |
Applications
| High-Reliability Data Acquisition | Automotive Engine Control Units |
|---|---|
|
Use Scenario: Precision timing for 16-bit SAR ADCs in industrial PLC modules requiring sub-1 LSB timing error over temperature. IC Role / Device Role / Timing Role: Master clock source for ADC sampling and FPGA control logic synchronization. Use Value: ±20 ppm/°C stability and ±2.9% full-range accuracy maintain sampling window integrity across –40°C to +125°C. |
Use Scenario: Clock generation for microcontroller-based engine management systems deployed in under-hood locations. IC Role / Device Role / Timing Role: Primary system clock for MCU, CAN controller, and sensor interface timing. Use Value: H-grade rating and fast 100 µs start-up support cold-start compliance and real-time fault response. |
| Aerospace Sensor Signal Conditioning | Industrial Motor Drive Gate Drivers |
|
Use Scenario: Low-jitter clock for sigma-delta modulators in inertial measurement units subject to high vibration and thermal cycling. IC Role / Device Role / Timing Role: Reference clock for digital filters and decimation logic in high-precision sensor front-ends. Use Value: <0.8% jitter and rail-to-rail CMOS output ensure consistent oversampling ratio and SNR performance. |
Use Scenario: Timing source for isolated gate drivers in variable-frequency drives operating in electrically noisy factory environments. IC Role / Device Role / Timing Role: Synchronization clock for PWM generator and current-sense ADC sampling. Use Value: Asynchronous OE disable allows safe gate driver shutdown without clock-domain metastability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-frequency oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC6905IS5-133#TRMPBF | I-grade (-40°C to +85°C), same electrical specs and pinout | Not qualified for extended temperature operation; unsuitable for under-hood or high-ambient industrial use | Select only when full H-grade thermal margin is unnecessary and cost optimization is prioritized |
| SiT8008BI-13-33E-133.333333G | MEMS-based, ±20 ppm initial accuracy, 133.333333 MHz fixed output, same SOT-23-5 footprint | Higher long-term aging (±5 ppm/year vs. silicon oscillator's negligible aging); no frequency division capability | Choose for ultra-low power or higher shock/vibration tolerance; avoid when ÷2/÷4 flexibility or <0.8% jitter is required |
Compared with LTC6905IS5-133#TRMPBF, the LTC6905HS5-133#TRMPBF provides guaranteed operation to +125°C and tighter full-temperature accuracy; compared with SiT8008BI-13-33E-133.333333G, it offers integrated frequency division and lower jitter but lacks MEMS-level mechanical robustness.
Availability
LTC6905HS5-133#TRMPBF is available at Aetrix Electronics and suitable for high-reliability data acquisition, automotive engine control units, aerospace sensor conditioning, and industrial motor drive applications requiring stable component supply across extended temperature ranges.
Supply support for LTC6905HS5-133#TRMPBF 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 documentation, reliability testing, and long-term manufacturing commitment.
The LTC6905 series was designed as a drop-in replacement for quartz crystals and ceramic resonators in space-constrained, high-shock environments - emphasizing factory-trimmed accuracy, fast start-up, and robust CMOS output drive.
FAQ
What is the maximum operating temperature for the LTC6905HS5-133#TRMPBF?
The LTC6905HS5-133#TRMPBF is rated for continuous operation from –40°C to +125°C ambient temperature, with full electrical specifications guaranteed across this range. Its H-grade qualification makes it suitable for under-hood automotive, industrial control cabinets, and avionics enclosures where thermal margins exceed standard commercial or industrial grades.
Does the LTC6905HS5-133#TRMPBF require external passive components to set frequency?
No, the LTC6905HS5-133#TRMPBF requires no external resistors, capacitors, or crystals - its 133.33 MHz master frequency and ÷1/÷2/÷4 divider ratios are factory-programmed. Only a 0.1 µF ceramic bypass capacitor between V+ and GND is required for stable operation, per the recommended layout.
How does the OE pin behave during enable/disable transitions in the LTC6905HS5-133#TRMPBF?
The OE pin of the LTC6905HS5-133#TRMPBF disables the output asynchronously when pulled low, ensuring immediate cessation of clock edges. When pulled high, it enables the output synchronously on the next rising edge of the internal clock - preventing partial cycles or pulse slivers that could disrupt downstream logic state machines.
Can the LTC6905HS5-133#TRMPBF drive a 50 Ω transmission line directly?
The LTC6905HS5-133#TRMPBF cannot drive a 50 Ω line directly due to its CMOS output stage design. As shown in the Typical Applications section, a series 950 Ω resistor is required to match the 50 Ω load and prevent reflections. Driving 600 Ω loads is supported directly at 2.7 V, but lower impedances require external termination.
What is the timing jitter specification for the LTC6905HS5-133#TRMPBF at 133.33 MHz?
The LTC6905HS5-133#TRMPBF exhibits <0.8% typical timing jitter (peak-to-peak period variation relative to mean period) when operating at 133.33 MHz with V+ = 3 V and CL = 5 pF. Jitter decreases proportionally at lower output frequencies (e.g., 66.66 MHz or 33.33 MHz) due to longer periods and reduced sensitivity to noise.
LTC6905HS5-133#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Oscillator, Silicon
- Count:
- -
- Frequency:
- 133MHz
- Voltage - Supply:
- 2.7V ~ 5.5V
- Current - Supply:
- 10 mA
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- TSOT-23-5
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6905HS5-133#TRMPBF FAQ
1.How can I place an order for LTC6905HS5-133#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6905HS5-133#TRMPBF 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 LTC6905HS5-133#TRMPBF reliable?
The price and inventory of LTC6905HS5-133#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6905HS5-133#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6905HS5-133#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6905HS5-133#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6905HS5-133#TRMPBF?
LTC6905HS5-133#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6905HS5-133#TRMPBF 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 LTC6905HS5-133#TRMPBF?
For technical support, including LTC6905HS5-133#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6905HS5-133#TRMPBF requirements.
6.How does Aetrix verify that LTC6905HS5-133#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6905HS5-133#TRMPBF 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 LTC6905HS5-133#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6905HS5-133#TRMPBF?
All LTC6905HS5-133#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6905HS5-133#TRMPBF, 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 LTC6905HS5-133#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6905HS5-133#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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