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EM19101 Datasheet(PDF) 1 Page - ELAN Microelectronics Corp |
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EM19101 Datasheet(HTML) 1 Page - ELAN Microelectronics Corp |
1 / 6 page 1 * This specification are subject to be changed without notice. EM19101 8-BIT 5 MSPS A/D CONVERTER (CMOS) 4.23.1997 GENERAL DESCRIPTION EM19101 is a 8-bit CMOS A/D converter for scanner use. The adoption of a 2-step parallel system achieves low consumption at a maximum conversion speed of 7 MSPS. FEATURES • 7MSPS maximum conversion speed • Build-in sampling and hold circuit • Internal self-bias reference voltage • 45 mW very low power dissipation at 5MSPS • +5V single power supply • Available in 24 pin SOP • Series EM19101M for 300 mil SOP EM19101S for 209 mil SOP APPLICATION Scanner and a wide range of fields where high speed A/D conversion is required in the digital communication. PIN ASSIGNMENT EM19101 8-BIT 5 MSPS A/D CONVERTER (CMOS) Lower data latches Upper data latches Lower encoder (4bit) Upper encoder (4bit) Lower Comparators with S/ H (4bit) Upper Comparators with S/ H (4bit) Reference voltage 4 3 6 5 8 7 10 9 12 11 2 1 15 13 14 16 17 18 19 20 21 22 23 24 Clock generator /O E DVS S D0 D1 D2 D3 D4 D5 D6 D7 DV DD CL K DV DD AV DD AV DD VRTS VRT AV DD VI N AVSS VRBS VRB AVSS DVSS FUNCTIONAL BLOCK DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OE DVSS D0 D1 D2 D3 D4 D5 D6 D7 DVDD CLK DVSS VRB VRBS AVSS AVSS VIN AVDD VRT VRTS AVDD AVDD DVDD EM19101 |
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