GENERAL DESCRIPTION

The AD9609 is a monolithic, single channel 1.8 V supply, 10-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-and hold circuit and on-chip voltage reference.

FEATURES

1.8 V analog supply operation

1.8 V to 3.3 V output supply

SNR

  61.5 dBFS at 9.7 MHz input

  61.0 dBFS at 200 MHz input

SFDR

  75 dBc at 9.7 MHz input

  73 dBc at 200 MHz input

Low power

  45 mW at 20 MSPS

  76 mW at 80 MSPS

Differential input with 700 MHz bandwidth

On-chip voltage reference and sample-and-hold circuit

2 V p-p differential analog input

DNL = ±0.10 LSB

Serial port control options

  Offset binary, gray code, or twos complement data format

  Optional clock duty cycle stabilizer

  Integer 1-to-8 input clock divider

  Built-in selectable digital test pattern generation

  Energy-saving power-down modes

  Data clock out with programmable clock and data alignment

APPLICATIONS

Communications

Diversity radio systems

Multimode digital receivers

  GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA

Smart antenna systems

Battery-powered instruments

Handheld scope meters

Portable medical imaging

Ultrasound

Radar/LIDAR

PET/SPECT imaging