EM19101S

EM19101 EM19101 8-BIT 5 8-BIT 5 MSPS A/D CONVERTER (CMOS) MSPS A/D CONVERTER (CMOS) 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 OE DVSS D0 D1 D2 D3 D4 D5 D6 D7 DVDD CLK 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 DVSS VRB VRBS AVSS AVSS VIN AVDD VRT VRTS AVDD AVDD DVDD FUNCTIONAL BLOCK DIAGRAM /O E DVS S D0 1 Reference voltage 24 23 22 DV S S 2 3 VRB V RBS D1 D2 4 Lower data latches 5 Lower encoder (4bit) Lower Comparators with S/ H (4bit) 21 AVSS 20 19 AVSS VI N AV DD D3 D4 6 7 8 Upper data latches 18 17 D5 D6 V RT V RT S 9 Upper encoder (4bit) 10 D7 Upper Comparators with S/ H (4bit) 16 15 14 AV DD DV DD 1 1 CL K 1 2 Clock generator AV DD DV DD 13 * This specification are subject to be changed without notice. 4.23.1997 1 EM19101 8-BIT 5 MSPS A/D CONVERTER (CMOS) PIN DESCRIPTIONS Symbol OE DVSS D0 D1 D2 D3 D4 D5 D6 D7 DVDD CLK DVDD AVDD AVDD VRTS VRT AVDD VIN AVSS AVSS VRBS...