Signal Processing Systems : Converters : Analog Devices, Inc. - AD9152

2.25 GSPS TxDAC+ D/A Converter

Model: AD9152

Supports input data rates up to 1.125 GSPS
Proprietary low spurious and distortion design
Single carrier LTE 20 MHz bandwidth (BW), ACLR = 77 dBc at 180 MHz IF, SFDR = 72 dBc at 150 MHz IF, -6 dBFS
Flexible 4-lane JESD204B interface
Selectable 1x, 2x, 4x, 8x interpolation filter

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The AD9152 is a dual, 16-bit, high dynamic range digital-to analog converter (DAC) that provides a maximum sample rate of 2.25 GSPS, permitting a multicarrier generation up to the Nyquist frequency. The DAC outputs are optimized to interface seamlessly with the ADRF6720 analog quadrature modulators (AQMs) from Analog Devices, Inc. An optional 3-wire or 4-wire serial port interface (SPI) provides for programming/readback of many internal parameters. Full-scale output current can be programmed over a range of 4 mA to 20 mA. The AD9152 is available in an 56-lead LFCSP. The AD9152 is a member of the TxDAC+® family.

Supports input data rates up to 1.125 GSPS
Proprietary low spurious and distortion design
Single carrier LTE 20 MHz bandwidth (BW), ACLR = 77 dBc at 180 MHz IF, SFDR = 72 dBc at 150 MHz IF, -6 dBFS
Flexible 4-lane JESD204B interface
Selectable 1x, 2x, 4x, 8x interpolation filter
Low power architecture
Input signal power detection
Emergency stop for downstream analog circuitry protection
Transmit enable function allows extra power saving
High performance, low noise PLL clock multiplier
Digital inverse sinc filter and programmable finite impulse response (FIR) filter
Low power: 1223 mW at 1.5 GSPS, 1406 mW at 2.0 GSPS, full operating conditions
56-lead LFCSP with exposed pad
Applications
- Wireless communications
- Multicarrier LTE and GSM base stations
- Wideband repeaters
- Software defined radios
- Wideband communications
- Point to point microwave radios
- LMDS/MMSD
- Transmit diversity, multiple input/multiple output (MIMO)
- Instrumentation
- Automated test equipment