Description
The Texas Instruments LMK00334RTVR is a clock buffer and driver device that offers high-frequency accuracy, low phase noise, and flexible input options. It features a 3:1 input multiplexer that can accept various clock signals up to 400 MHz, as well as a crystal input for generating a reference clock. The device has two banks of differential outputs with HCSL or Hi-Z (selectable) modes, making it suitable for high-speed communication systems and precision instrumentation applications.
The LMK00334RTVR operates over an industrial temperature range of -40°C to +105°C and is available in a 32-pin WQFN package. Its key features include additive RMS phase jitter for PCIe Gen5 at 100 MHz (15 fs typical), high PSRR (-72 dBc at 156.25 MHz), and LVCMOS output with synchronous enable input.
This device is commonly used in applications such as optical networking, wireless infrastructure, test and measurement equipment, precision instrumentation, clock distribution, and data acquisition systems.
Features
The LMK00334RTVR features:
- 3:1 input multiplexer with two universal inputs (up to 400 MHz) and one crystal input
- Two banks with two differential outputs each (HCSL or Hi-Z selectable)
- Additive RMS phase jitter for PCIe Gen5 at 100 MHz: 15 fs (typical)
- High PSRR: -72 dBc at 156.25 MHz
- LVCMOS output with synchronous enable input
- Pin-controlled configuration
- VCC core supply: 3.3 V ± 5%
- Three independent VCCO output supplies: 3.3 V, 2.5 V ± 5%
- Industrial temperature range: -40°C to +105°C
- 32-pin WQFN (5 mm × 5 mm) package
Package
The package type of LMK00334RTVR is WQFN-32, which is a 5x5 mm package with 32 pins.
Manufacturer
The manufacturer of the LMK00334RTVR product is Texas Instruments, a US-based technology company specializing in semiconductors, analog components, and embedded systems. Texas Instruments (TI) is one of the world's leading semiconductor companies, offering a wide range of products and solutions for various industries, including communication, processing, and digital signal processing.
Applications
The application areas of the LMK00334RTVR are:
- High-speed communication systems, such as optical networking, wireless infrastructure, test and measurement equipment
- Precision instrumentation, clock distribution, and data acquisition systems due to its low phase noise and high frequency accuracy
Equivalent
The equivalent products of LMK00334RTVR are Texas Instruments' other clock buffers, such as the LMK04128 or the LP1550SA-7. These products offer similar functionality, including high-frequency accuracy, low phase noise, and multiple input/output configurations. Alternatively, users may also consider competitive offerings from other semiconductor manufacturers, such as ADIS or IDT (Integrated Device Technologies).
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