SPT7870

SPT7870 10-BIT, 100 MSPS ECL A/D CONVERTER FEATURES 10-Bit, 100 MSPS Analog-to-Digital Converter Monolithic Bipolar Single-Ended Bipolar Analog Input -1.0 V to +1.0 V Analog Input Range Internal Sample-and-Hold Internal Voltage Reference Programmable Data Output Formats Single Ended ECL/PECL Outputs TTL Version Available as the SPT7871 APPLICATIONS Professional Video HDTV Communications Imaging Digital Oscilloscopes GENERAL DESCRIPTION The SPT7870 is a 10-bit, 100 MSPS analog-to-digital converter, with a two stage sub-ranging flash/folder architecture. The bipolar, single-ended analog input provides an easy interface for most applications. Programmable data output formats provide additional ease of implementation and flexibility. The device supports high-speed ECL- and PECL-level outputs. The resolution and performance of this device makes it well suited for professional video and HDTV applications. The onchip track-and-hold provides for excellent AC performance enabling this device to be a converter of choice for RF communications and digital sampling oscilloscopes. The SPT7870 is available in a 44L cerquad package in the industrial temperature range and in die form. VEE VCC BLOCK DIAGRAM Analog Input VIN T/H D10 (Overrange) Σ T/H 8-Bit Folder ADC (LSB) D9 (MSB) D8 D7 D6 3-Bit Flash (MSB) 3-Bit DAC Error Correction Logic Output Latch And Buffers D5 D4 D3 D2 Internal +1.0 V Reference VT* Reference Ladder Timing and Control VB* Inter...