GENERAL DESCRIPTION

The AD6672 is an 11-bit intermediate receiver with sampling speeds of up to 250 MSPS. The AD6672 is designed to support communications applications, where low cost, small size, wide bandwidth, and versatility are desired.

FEATURES

11-bit, 250 MSPS output data rate

Performance with NSR enabled

SNR: 75.2 dBFS in a 55 MHz band to 185 MHz at 250 MSPS

SNR: 72.8 dBFS in an 82 MHz band to 185 MHz at 250 MSPS

Performance with NSR disabled

SNR: 66.4 dBFS up to 185 MHz at 250 MSPS

SFDR: 87 dBc up to 185 MHz at 250 MSPS

Total power consumption: 358 mW at 250 MSPS

1.8 V supply voltages

LVDS (ANSI-644 levels) outputs

Integer 1-to-8 input clock divider (625 MHz maximum input)

Internal ADC voltage reference

Flexible analog input range

1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal)

Serial port control

Energy saving power-down modes

APPLICATIONS

Communications

Diversity radio and smart antenna (MIMO) systems

Multimode digital receivers (3G)

WCDMA, LTE, CDMA2000

WiMAX, TD-SCDMA

I/Q demodulation systems

General-purpose software radios

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