8ch Analog Front End IC
[AK5806]
AK5806
8ch Analog Front End IC
1. General description
The AK5806 is an 8 channels analog baseband IC with thi...
Description
[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...
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