The DHF445 is a low operation voltage FM IF detector IC. It consists of mixer, IF amplifier, RSSI circuit, quadrature detector and noise detector. It is available in a 16-pin TSSOP plastic package.
Features
Low operating voltage (1.8V ~ 5.5V)
Wide mixer operating frequency (10MHz to 300MHz)
Excellent temperature characteristics
High sensitivity
Ceramic and coil discriminators usable quadrature detector
High intercept point (98dBuV)
Built-in noise detection circuit
RSSI function
TSSOP16 package (Pb-free and RoHS compliant)
TA31136 compatible (drop-in replacement)
DHF445是一种低工作电压的调频中频检波器IC。它由混频器、中频放大器、RSSI电路、正交检测器和噪声检测器组成。它有16针TSSOP塑料包装。
特点
工作电压低（1.8V~5.5V）
宽混频器工作频率（10MHz至300MHz）
卓越的温度特性
高灵敏度
陶瓷和线圈鉴别器可用的正交检测器
高截获点（98dBuV）
内置噪声检测电路
RRSSI功能
TTSSOP16封装（无铅，符合RoHS标准）
兼容TA31136（插入式更换）