SY3122-H2数据手册Silergy中文资料规格书

描述 Description

SY3122-H2 combines a photodiode and a current-tofrequency converter circuit on a single chip. Its output is a square wave (50% duty cycle) with frequency proportional to light intensity on the photodiode. This digital output allows direct interface to a microcontroller or other logic circuitry.The device has been temperature compensated for the ultraviolet-to-visible light range of 320 nm to 700 nm and can respond over the light range of 320 nm to 1050 nm.\r
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SY3122-H2 is characterized for operation over the temperature range of -40°C to 85°C and is supplied in a compact side-looker package.

特性 Features

• 无需外部器件即可实现高解析度光强度至频率的转换
• 低暗频率 <1Hz@50°C
• 2.7~3.6V单电源操作
• 直接连接到微控制器
• 可接收波长660/880nm光用于SpO2测试