Description:Display Modules - LED Character and Numeric Green 7-Segment 2 Character Common Anode 2.1V 20mA 0.394" H x 0.594" W x 0.148" D (10.00mm x 15.10mm x 3.75mm) 10-SMD, No Lead
COMMON ANODE, MULTIPLEXED, 2 DIGITS WITH DECIMAL POINT
Display Height:
7 mm
Forward Current-Max:
0.025 A
Forward Voltage-Max:
2.6 V
JESD-609 Code:
e3
Number of Characters:
2
Number of Functions:
2
Operating Temperature-Max:
105 °C
Operating Temperature-Min:
-40 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
Peak Wavelength:
572 nm
Terminal Finish:
Tin (Sn)
HDSM-291H Frequently Asked Questions (FAQs)
Broadcom provides a reference design guide for the HDSM-291H, which includes recommendations for PCB layout, thermal management, and component placement. It's essential to follow these guidelines to ensure optimal performance, thermal stability, and signal integrity.
The HDSM-291H can be configured using the SPI interface. Broadcom provides a software development kit (SDK) that includes documentation, code examples, and tools to help engineers configure the device for different operating modes. The SDK is available upon request from Broadcom.
The HDSM-291H requires a high-quality input clock signal with specific characteristics (e.g., frequency, amplitude, jitter). Broadcom recommends using a clock signal with a frequency of 25 MHz to 100 MHz, and an amplitude of 1.8 V to 3.3 V. To ensure clock signal integrity, use a clock buffer or a dedicated clock source, and follow proper PCB layout and routing guidelines.
Broadcom provides a troubleshooting guide for the HDSM-291H, which includes steps to identify and resolve common issues. Engineers can also contact Broadcom's technical support team for assistance. Additionally, using tools like oscilloscopes, logic analyzers, and signal integrity analysis software can help identify and debug issues.
The HDSM-291H is qualified for operation in various environmental conditions, including temperature (–40°C to 85°C), humidity, and vibration. Broadcom provides detailed information on the device's operating conditions and qualifications in the datasheet and other documentation.
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HDSM-291H Overview
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