AK5806

[AK5806] AK5806 8ch Analog Front End IC 1. General description The AK5806 is an 8 channels analog baseband IC with third order HPF, whose cutoff frequency is variable, and programmable gain amplifiers. It is capable of adjusting the baseband signal gain and the frequency band widely. 2. Features - Signal Processing: 8-channel Differential I/O - Signal band width: up to 5MHz - Programmable Gain Amplifier: (Coarse) 0dB to 42dB, 6dB/step (Fine) −6dB to +5.625dB, 0.375dB/step - 3rd-order HPF with Adjustable Cutoff Frequency: 25 kHz to 1MHz - Offset Cancelling Function - Operational Temperature: −40 to 125ºC - Package: 64-pins HTQFP 3. Application - Millimeter wave radar - Laser rangefinder - Ultrasonic sensor - Signal conditioning before AD conversion etc. 4. Block diagram VDD AIN1P AIN1N AINnP AINnN PGA1 HPF & Buffer Ch.2 to Ch.8 PGA2 & Fine gain Offset calibration Output buffer AOUT1P AOUT1N AOUTnP AOUTnN VCOM IREF Voltage reference 016011439-E-00 Reset control Diagnos...