
Analog Devices
GENERAL DESCRIPTION
The AD9250 is a dual, 14-bit ADC with sampling speeds of up to 250 MSPS. The AD9250 is designed to support communications applications where low cost, small size, wide bandwidth, and versatility are desired.
FEATURES
JESD204B Subclass 0 or Subclass 1 coded serial digital outputs
Signal-to-noise ratio (SNR) = 70.6 dBFS at 185 MHz AIN and
250 MSPS
Spurious-free dynamic range (SFDR) = 88 dBc at 185 MHz
AIN and 250 MSPS
Total power consumption: 711 mW at 250 MSPS
1.8 V supply voltages
Integer 1-to-8 input clock divider
Sample rates of up to 250 MSPS
IF sampling frequencies of up to 400 MHz
Internal analog-to-digital converter (ADC) voltage reference
Flexible analog input range
1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal)
ADC clock duty cycle stabilizer (DCS)
95 dB channel isolation/crosstalk
Serial port control
Energy saving power-down modes
APPLICATIONS
Diversity radio systems
Multimode digital receivers (3G)
TD-SCDMA, WiMAX, W-CDMA, CDMA2000, GSM, EDGE, LTE
DOCSIS 3.0 CMTS upstream receive paths
HFC digital reverse path receivers
I/Q demodulation systems
Smart antenna systems
Electronic test and measurement equipment
Radar receivers
COMSEC radio architectures
IED detection/jamming systems
General-purpose software radios
Broadband data applications