GENERAL DESCRIPTION
The AD9258 is a dual, 14-bit, 80 MSPS/105 MSPS/125 MSPS analog-to-digital converter (ADC). The AD9258 is designed to support communications applications where high performance, combined with low cost, small size, and versatility, is desired.

FEATURES
   SNR = 77.6 dBFS @ 70 MHz and 125 MSPS
   SFDR = 88 dBc @ 70 MHz and 125 MSPS
   Low power: 750 mW @ 125 MSPS
   1.8 V analog supply operation
   1.8 V CMOS or LVDS output supply
   Integer 1-to-8 input clock divider
   IF sampling frequencies to 300 MHz
   −152.8 dBm/Hz small signal input noise with 200 Ω input
      impedance @ 70 MHz and 125 MSPS
   Optional on-chip dither
   Programmable internal ADC voltage reference
   Integrated ADC sample-and-hold inputs
   Flexible analog input range: 1 V p-p to 2 V p-p
   Differential analog inputs with 650 MHz bandwidth
   ADC clock duty cycle stabilizer
   95 dB channel isolation/crosstalk
   Serial port control
   User-configurable, built-in self-test (BIST) capability
   Energy-saving power-down modes
  
APPLICATIONS
   Communications
   Diversity radio systems
   Multimode digital receivers (3G)
      GSM, EDGE, W-CDMA, LTE,
      CDMA2000, WiMAX, TD-SCDMA
   I/Q demodulation systems
   Smart antenna systems
   General-purpose software radios
   Broadband data applications
   Ultrasound equipment