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ET7208

Etek Microelectronics
Part Number ET7208
Manufacturer Etek Microelectronics
Description Integrated 7-segment audio equalizer spectral data acquisition circuit
Published Jan 27, 2015
Detailed Description Etek Microelectronics ET7208 7 ET7208 7 。, 20Hz~20KHz 7 , ADC ,。 MCU 。 z -18dB~+18dB z 7 1 z 8bits ADC z I...
Datasheet PDF File ET7208 PDF File

ET7208
ET7208


Overview
Etek Microelectronics ET7208 7 ET7208 7 。, 20Hz~20KHz 7 , ADC ,。 MCU 。 z -18dB~+18dB z 7 1 z 8bits ADC z I2C z I2C z SOP8 Rev 1.
0 2009-10-14 1/8 ET7208 ET7208 1 2 3 4 5 6 7 8 1 SCL AIN VDD2 GND2 GND VDD OSC SDA I/O I I2C I - , VDD - , GND - - I , I/O I2C/ SDA SCL AIN OSC I2C Interface VDD Mode Select and Gain Config Pre-Amplifer Oscillator Seven Band Band-pass Filter 8-Bits ADC GND 2 ADC Data Deal Rev 1.
0 2009-10-14 2/8 1.
RC ET7208 3 RC OSC (Hz) (V) R (Ω) C (µf) 5 18k 33pf 2.
5MHz 4.
2 16k 33pf 3.
3 15k 33pf 2.
I2C MCU SDA SCL ET7208 。SDA SCL 。 。 SCL ,SDA 。 SCL , SDA 。 () SCL ,SDA , SCL ,SDA 。 8 。。 MSB。 , SDA ,,ET7208 SDA 。,ET7208 SDA 。 4 I2C 3/8 Rev 1.
0 2009-10-14 ET7208 5 I2C :ACK= NOTACK= R/W =/ MSB= S= RS= P= =100KBITS/S Restart: SDA I2C : R/ W 6 z z =0110000b z 0b ( R/W ) z ACK= z =( 0b + xx + addre) z ACK= z z Rev 1.
0 2009-10-14 4/8 : ET7208 7 z z =0110000b z 0b ( R/W ) z AC...



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