THS1209 Datasheet | Texas Instruments

.ti. SLAS288B - JULY 2000 - REVISED DECEMBER 2002 12ĆBIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOGĆTOĆDIGITAL CONVERTER Features D Simultaneous Sampling of 2 Single-Ended Signals or 1 Differential Signal D Signal-to-Noise Ratio: 68 d B at f I = 2 MHz D Differential Nonlinearity Error: ±1 LSB D Integral Nonlinearity Error: ±1.5 LSB D Auto-Scan Mode for 2 Inputs D 3-V or 5-V Digital Interface patible D Low Power: 218 m W Max at 5 V D Power Down: 1 m W Max D 5-V Analog Single Supply Operation D Internal Voltage References . . . 50 PPM/°C and ±5% Accuracy D Glueless DSP Interface D Parallel µC/DSP Interface APPLICATIONS D Radar Applications D munications D Control Applications D High-Speed DSP Front-End D Automotive Applications DESCRIPTION The THS1209 is a CMOS, low-power, 12-bit, 8 MSPS analog-to-digital converter (ADC). The speed, resolution, bandwidth, and single-supply operation are suited for applications in radar, imaging, high-speed acquisition, and munications. A multistage pipelined architecture with output error correction logic provides for no missing codes over the full operating temperature range. Internal control registers allow for programming the ADC into the desired mode. The THS1209 consists of two analog inputs, which are sampled simultaneously. These inputs can be selected individually and configured to single-ended or differential inputs. Internal reference voltages for the ADC (1.5 V and 3.5 V) are provided. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application. The THS1209C is characterized for operation from 0°C to 70°C, and the THS1209I is characterized for operation from - 40°C to 85°C. DA PACKAGE (TOP VIEW) D0 1 D1 2 D2 3 D3 4 D4 5 D5 6 BVDD 7 BGND 8 D6 9 D7 10 D8 11 D9 12 RA0 13 RA1 14 CONV_CLK 15 SYNC 16 32 NC 31 RESET 30 AINP 29 AINM 28 REFIN 27 REFOUT 26 REFP 25 REFM 24 AGND 23 AVDD 22 CS0 21 CS1 20 WR (R/W) 19 RD 18 DVDD 17...