Overview
The LMK04826BISQE/NOPB is a high-performance clock conditioner produced by Texas Instruments. It is part of the LMK0482x family, which is renowned for its ultra-low noise and compliance with JEDEC JESD204B standards. This device is designed to provide flexible and high-performance clocking solutions, making it ideal for various applications requiring precise clock signals.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | WQFN (NKD), 64 pins |
| Operating Temperature Range | -40°C to 85°C |
| Maximum Clock Output Frequency | 3.1 GHz |
| VCO0 Frequency Range | 1840 to 1970 MHz |
| VCO1 Frequency Range | 2440 to 2505 MHz |
| RMS Jitter (12 kHz to 20 MHz) | 88 fs |
| RMS Jitter (100 Hz to 20 MHz) | 91 fs |
| Noise Floor at 245.76 MHz | -162.5 dBc/Hz |
| Output Types | LVPECL, LVDS, HSDS, LCPECL, 2xLVCMOS |
| Supply Voltage | 3.15 V to 3.45 V |
| Package Dimensions | 9.0 mm × 9.0 mm × 0.8 mm |
Key Features
- JEDEC JESD204B Support
- Ultra-Low RMS Jitter: 88 fs (12 kHz to 20 MHz), 91 fs (100 Hz to 20 MHz)
- Low Noise Floor: -162.5 dBc/Hz at 245.76 MHz
- Up to 14 Differential Device Clocks from PLL2 and up to 7 SYSREF Clocks
- Programmable Outputs: LVPECL, LVDS, HSDS, LCPECL, 2xLVCMOS
- Dual Loop PLLatinum™ PLL Architecture with up to 3 Redundant Input Clocks
- Automatic and Manual Switch-Over Modes, Hitless Switching, and LOS
- Integrated Low-Noise Crystal Oscillator Circuit and Holdover Mode
- Precision Digital Delay and 25-ps Step Analog Delay
- Multi-Mode Operation: Dual PLL, Single PLL, and Clock Distribution
- Industrial Temperature Range: -40°C to 85°C, supports 105°C PCB Temperature
Applications
- Wireless Infrastructure
- Data Converter Clocking
- Networking, SONET/SDH, DSLAM
- Medical, Video, Military, Aerospace
- Test and Measurement
Q & A
- What is the primary function of the LMK04826BISQE/NOPB?
The LMK04826BISQE/NOPB is a high-performance clock conditioner designed to provide ultra-low noise clock signals, compliant with JEDEC JESD204B standards.
- What are the key features of the LMK04826BISQE/NOPB?
Key features include ultra-low RMS jitter, low noise floor, programmable outputs, dual loop PLL architecture, and integrated low-noise crystal oscillator circuit.
- What is the maximum clock output frequency of the LMK04826BISQE/NOPB?
The maximum clock output frequency is 3.1 GHz.
- What are the supported output types for the LMK04826BISQE/NOPB?
The device supports LVPECL, LVDS, HSDS, LCPECL, and 2xLVCMOS output types.
- What is the operating temperature range of the LMK04826BISQE/NOPB?
The operating temperature range is -40°C to 85°C.
- What are some common applications for the LMK04826BISQE/NOPB?
Common applications include wireless infrastructure, data converter clocking, networking, medical, video, military, aerospace, and test and measurement.
- Does the LMK04826BISQE/NOPB support redundant input clocks?
Yes, it supports up to 3 redundant input clocks with automatic and manual switch-over modes.
- What is the noise floor specification at 245.76 MHz for the LMK04826BISQE/NOPB?
The noise floor at 245.76 MHz is -162.5 dBc/Hz.
- Can the LMK04826BISQE/NOPB operate in different modes?
Yes, it supports multi-mode operation including dual PLL, single PLL, and clock distribution modes.
- What is the supply voltage range for the LMK04826BISQE/NOPB?
The supply voltage range is 3.15 V to 3.45 V.
- What is the package type and pin count of the LMK04826BISQE/NOPB?
The device comes in a WQFN (NKD) package with 64 pins.
