Overview
The LMK03806BISQ/NOPB from Texas Instruments is a high-performance, ultra-low-jitter clock generator designed to meet the stringent timing requirements of modern high-speed digital systems. This device is capable of synthesizing up to 8 different frequencies on 14 programmable outputs, making it highly versatile for various applications. The LMK03806 integrates a high-performance integer-N PLL, a low-noise VCO, and programmable output dividers, allowing it to generate multiple reference clocks from a low-cost crystal or external clock source.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.15 | 3.3 | 3.45 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| Junction Temperature (TJ) | 125 | °C | ||
| Output Frequency Range | 1300 | MHz | ||
| Jitter (1.875 MHz – 20 MHz at 312.5 MHz output) | < 50 fs | fs | ||
| Jitter (12 kHz – 20 MHz at 312.5 MHz output) | < 150 fs | fs | ||
| Output Formats | LVDS, LVPECL, CMOS | |||
| Package Type | WQFN (NKD) | |||
| Package Size | 9.00 mm × 9.00 mm |
Key Features
- High-performance, ultra-low-jitter clock generator
- Low jitter: < 50 fs (1.875 MHz – 20 MHz) and < 150 fs (12 kHz – 20 MHz) at 312.5 MHz output frequency
- Generates multiple clocks from a low-cost crystal or external clock source
- 14 programmable outputs with LVDS, LVPECL, or CMOS formats
- Up to 8 unique output frequencies
- Tunable VCO frequency: 2.37 GHz – 2.6 GHz
- Programmable dividers for generating multiple clocks
- Industrial temperature range: -40°C to 85°C
Applications
- Ultra high-speed serial interfaces in SONET/SDH, multi-gigabit Ethernet, and Fiber Channel line cards
- Base Band Units (BBUs) for RAN applications
- GPON OLT/ONU and high-speed serial interfaces such as PCIe, XAUI, SATA, SAS
- Clocking for ADCs, DACs, DSPs, microprocessors, and FPGAs
Q & A
- What is the primary function of the LMK03806BISQ/NOPB?
The LMK03806BISQ/NOPB is a high-performance, ultra-low-jitter clock generator that synthesizes multiple clock frequencies from a low-cost crystal or external clock source.
- What are the supported output formats for the LMK03806BISQ/NOPB?
The device supports LVDS, LVPECL, and CMOS output formats.
- What is the operating temperature range of the LMK03806BISQ/NOPB?
The operating temperature range is -40°C to 85°C.
- What is the maximum output frequency of the LMK03806BISQ/NOPB?
The maximum output frequency is up to 1300 MHz.
- How many programmable outputs does the LMK03806BISQ/NOPB have?
The device has 14 programmable outputs.
- What is the typical jitter performance of the LMK03806BISQ/NOPB?
The typical jitter is less than 50 fs for frequencies between 1.875 MHz and 20 MHz at a 312.5 MHz output frequency.
- What are some common applications for the LMK03806BISQ/NOPB?
Common applications include ultra high-speed serial interfaces, multi-gigabit Ethernet, Fiber Channel line cards, BBUs for RAN, GPON OLT/ONU, and clocking for ADCs, DACs, DSPs, microprocessors, and FPGAs.
- What is the package type and size of the LMK03806BISQ/NOPB?
The package type is WQFN (NKD) with a size of 9.00 mm × 9.00 mm.
- What is the VCO frequency range of the LMK03806BISQ/NOPB?
The tunable VCO frequency range is from 2.37 GHz to 2.6 GHz.
- Can the LMK03806BISQ/NOPB generate multiple unique output frequencies?
Yes, it can generate up to 8 unique output frequencies.
