LM97593

LM97593 www.ti.com SNWS019B – JULY 2007 – REVISED APRIL 2013 LM97593 Dual ADC / Digital Tuner / AGC Check for Samples: LM97593 FEATURES 1 2 100% Software Compatible with the CLC5903 Pin Compatible with the CLC5903 Except for the Analog Input and Reference Section 123 dB Dynamic Range with CLC5526 DVGA (200kHz) On-chip Precision Reference User Programmable AGC with Enhanced Power Detector Channel Filters Include a Fourth Order CIC Followed by 21-tap and 63-tap Symmetric FIRs Flexible Output Formats Serial and Parallel Output Ports JTAG Boundary Scan 8-bit Microprocessor Interface 128 pin PQFP APPLICATIONS Cellular Basestations GSM / GPRS / EDGE / GSM Phase 2 Receivers Satellite Receivers Wireless Local Loop Receivers Digital Communications KEY SPECIFICATIONS Internal ADC Resolution: 12 Bits Sample Rate: 65 MSPS SNR (fIN = 250MHz, 11-bit, Nyquist): 62 dBFS (typ) SNR (fIN = 250MHz, 200kHz): 83 dBFS (typ) SFDR (fIN = 250MHz, 11-bit, Nyquist): 68 dBFS (typ) Full Power Bandwidth: 650 MHz (typ) Power Consumption: (65MSPS) 560 mW (typ) DESCRIPTION The LM97593 Dual ADC / Digital Tuner / AGC IC is a two channel digital downconverter (DDC) with integrated 12-bit analog-to-digital converters (ADCs) and automatic gain control (AGC). The LM97593 further enhances TI’s Diversity Receiver Chipset (DRCS) by integrating a wide-bandwidth dual ADC core with the DDC. The complete DRCS includes one LM97593 Dual ADC / Digital Tuner / AGC and two CLC5...