GENERAL DESCRIPTION

The AD9265 is a 16-bit, 125 MSPS analog-to-digital converter (ADC). The AD9265 is designed to support communications applications where high performance combined with low cost, small size, and versatility is desired.

FEATURES

SNR = 79.0 dBFS at 70 MHz and 125 MSPS

SFDR = 93 dBc at 70 MHz and 125 MSPS

Low power: 373 mW at 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

−154.3 dBm/Hz small signal input noise with 200 Ω input impedance at 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

Serial port control

User-configurable, built-in self-test (BIST) capability

Energy-saving power-down modes

APPLICATIONS

Communications

Multimode digital receivers (3G) GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, and TD-SCDMA

Smart antenna systems

General-purpose software radios

Broadband data applications

Ultrasound equipment