Overview
The LMK04803BISQ/NOPB is a high-performance, low-noise clock jitter cleaner and generator produced by Texas Instruments. This device is part of the LMK0480x family, known for its superior clock jitter cleaning, generation, and distribution capabilities. It features dual loop PLLs, making it ideal for applications requiring precise and stable clock signals.
The LMK04803BISQ/NOPB operates within an industrial temperature range of -40°C to 85°C and supports clock rates up to 1536 MHz. It is packaged in a 64-pin WQFN (9.0 × 9.0 × 0.8 mm) with an exposed pad, enhancing thermal performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 3.15 | 3.3 | 3.45 | V |
| Junction Temperature | -40 | 25 | 85 | °C |
| CLKin Input Frequency | 0.001 | - | 500 | MHz |
| RMS Jitter (12 kHz to 20 MHz) | - | 111 | - | fs |
| Supply Current with All Clocks Enabled | 505 | 590 | - | mA |
| Package Type | - | - | 64-Pin WQFN with Exposed Pad | - |
Key Features
- Ultra-low RMS jitter performance of 111 fs (12 kHz to 20 MHz)
- Dual loop PLLs for enhanced clock stability and flexibility
- Up to 26 single-ended or differential clock outputs
- Support for up to 6 VCXO or crystal buffered outputs
- Multi-mode operation: dual PLL, single PLL, and clock distribution
- Three default clock outputs at power-up
- Industrial temperature range: -40°C to 85°C
- Power supply voltage range: 3.15 V to 3.45 V
Applications
- Data converter clocking
- Wireless infrastructure
- Networking, SONET/SDH, DSLAM
- Medical, video, military, and aerospace applications
- Test and measurement equipment
Q & A
- What is the primary function of the LMK04803BISQ/NOPB?
The primary function is to clean, generate, and distribute high-quality clock signals with ultra-low jitter.
- What is the maximum clock frequency supported by this device?
The device supports clock rates up to 1536 MHz.
- What is the typical RMS jitter performance of the LMK04803BISQ/NOPB?
The typical RMS jitter performance is 111 fs over the frequency range of 12 kHz to 20 MHz.
- How many clock outputs does the LMK04803BISQ/NOPB support?
The device supports up to 26 single-ended or differential clock outputs.
- What is the operating temperature range of the LMK04803BISQ/NOPB?
The device operates within an industrial temperature range of -40°C to 85°C.
- What types of applications is the LMK04803BISQ/NOPB suitable for?
It is suitable for data converter clocking, wireless infrastructure, networking, medical, video, military, aerospace, and test and measurement applications.
- What is the package type of the LMK04803BISQ/NOPB?
The device is packaged in a 64-pin WQFN with an exposed pad.
- What is the power supply voltage range for the LMK04803BISQ/NOPB?
The power supply voltage range is from 3.15 V to 3.45 V.
- Does the LMK04803BISQ/NOPB support multi-mode operation?
Yes, it supports multi-mode operation including dual PLL, single PLL, and clock distribution modes.
- How many default clock outputs are available at power-up?
There are three default clock outputs available at power-up.
