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ML2252BCQ データシート(PDF) 3 Page - Micro Linear Corporation |
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ML2252BCQ データシート(HTML) 3 Page - Micro Linear Corporation |
3 / 13 page ML2252, ML2259 3 Pin Number ML2252 ML2259 Name Function 1 CH3 Analog input 3. 2 CH4 Analog input 4. 3 CH5 Analog input 5. 4 CH6 Analog input 6. 5 CH7 Analog input 7. 2 6 START Start of conversion. Active high digital input pulse initiates conversion. 3 7 EOC End of conversion. This output goes low after a START pulse occurs, stays low for the entire A/D conversion, and goes high after conversion is completed. Data on DB0–DB7 is valid on rising edge of EOC and stays valid until next EOC rising edge. 4 8 DB3 Data output 3. 5 9 OE Output enable input. When OE = 0, DB0–DB7 are in high impedance state; OE = 1, DB0–DB7 are active outputs. 6 10 CLK Clock. Clock input provides timing for A/D converter, S/H, and digital interface. 711 VCC Positive supply. 5V ±10%. 812 +VREF Positive reference voltage. 9 13 GND Ground. 0V, all analog and digital inputs or outputs are referenced to this point. 10 14 DB1 Data output 1. 11 15 DB2 Data output 2. 12 16 –VREF Negative reference voltage. 13 17 DB0 Data output 0. 14 18 DB4 Data output 4. 15 19 DB5 Data output 5. 16 20 DB6 Data output 6. 17 21 DB7 Data output 7. 18 22 ALE Address latch enable. Input to latch in the digital address (ADDR2-0) on the rising edge of the multiplexer. 23 ADDR2 Address input 2 to multiplexer. Digital input for selecting analog input. 24 ADDR1 Address input 1 to multiplexer. Digital input for selecting analog input. 19 25 ADDR0 Address input 0 to multiplexer. Digital input for selecting analog input. 20 26 CH0 Analog input 0. 1 27 CH1 Analog input 1. 28 CH2 Analog input 2. PIN DESCRIPTION |
同様の部品番号 - ML2252BCQ |
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同様の説明 - ML2252BCQ |
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