深圳市中立信电子科技有限公司

AD9122BCPZ

数模转换器- Dual, 16-Bit, 1230 MSPS,  TxDAC+ Digital-to-Analog Converter

GENERAL DESCRIPTION AD9122BCPZ

The AD9122 is a dual, 16-bit, high dynamic range digital-toanalog

converter (DAC) that provides a sample rate of 1230 MSPS,

permitting multicarrier generation up to the Nyquist frequency.

FEATURES AD9122BCPZ

Flexible LVDS interface allows word, byte, or nibble load

Single-carrier W-CDMA ACLR = 82 dBc at 122.88 MHz IF

Analog output: adjustable 8.7 mA to 31.7 mA,

RL = 25 Ω to 50 Ω

Integrated 2×/4×/8× interpolator/complex modulator allows

carrier placement anywhere in the DAC bandwidth

Gain, dc offset, and phase adjustment for sideband

suppression

Multiple chip synchronization interfaces

High performance, low noise PLL clock multiplier

Digital inverse sinc filter

Low power: 1.5 W at 1.2 GSPS, 800 mW at 500 MSPS,

full operating conditions

72-lead, exposed paddle LFCSP

APPLICATIONS AD9122BCPZ

Wireless infrastructure

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

Digital high or low IF synthesis

Transmit diversity

Wideband communications: LMDS/MMDS, point-to-point