Overview
The AD9988BBPZ-4D4AC, produced by Analog Devices Inc., is a highly integrated RF transceiver designed for advanced wireless communication systems. This device features four 16-bit, 12 GSPS maximum sample rate RF digital-to-analog converter (DAC) cores and four 12-bit, 4 GSPS RF analog-to-digital converter (ADC) cores. It supports a 4T4R configuration, making it suitable for four-antenna TDD transmitter applications. The AD9988 also includes a range of digital signal processing capabilities and multichip synchronization, making it ideal for multiband direct to RF radio applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of DAC Cores | 4 (16-bit, 12 GSPS) |
| Number of ADC Cores | 4 (12-bit, 4 GSPS) |
| RF Frequency Range | Up to 7.5 GHz |
| Channel Bandwidth | Up to 1.2 GHz (4T4R configuration) |
| Serial Data Interface | 16-lane JESD204C (24.75 Gbps) or JESD204B (15.5 Gbps) |
| Package Type | 324-ball BGA (15 mm x 15 mm, 0.8 mm pitch) |
| Operating Temperature | -40°C to 120°C |
| Supply Voltage | 0.95 V to 2.1 V |
Key Features
- Flexible, reconfigurable radio common platform design
- On-chip PLL with multichip synchronization and external RF clock input option
- Selectable interpolation and decimation filters
- Configurable DDCs (Digital Down Converters) and DUCs (Digital Up Converters)
- 8 fine complex DUCs and 4 coarse complex DUCs; 8 fine complex DDCs and 4 coarse complex DDCs
- 2 independent 48-bit NCOs per DUC or DDC
- Programmable 192-tap PFIR filter for receive equalization
- Receive AGC support with fast detect and signal monitor
- Transmit DPD support with programmable delay and gain per transmit data path
- SERDES JESD204B or JESD204C interface
- On-chip temperature monitoring unit and power amplifier downstream protection circuitry
Applications
- Wireless communications infrastructure (W-CDMA, LTE, LTE-A, massive MIMO)
- Point to point microwave, E-band, and 5G mmWave
- Broadband communications systems (DOCSIS 3.0+ cable modem termination system)
- Communication test and measurement systems
Q & A
- What is the maximum sample rate of the DAC cores in the AD9988?
The maximum sample rate of the DAC cores is 12 GSPS. - How many ADC cores does the AD9988 have and what is their sample rate?
The AD9988 has four 12-bit ADC cores with a sample rate of 4 GSPS. - What is the maximum RF frequency range supported by the AD9988?
The AD9988 supports an RF frequency range up to 7.5 GHz. - What is the channel bandwidth in a 4T4R configuration?
The channel bandwidth in a 4T4R configuration is up to 1.2 GHz. - What type of serial data interface does the AD9988 use?
The AD9988 uses a 16-lane JESD204C (24.75 Gbps) or JESD204B (15.5 Gbps) serial data interface. - What is the package type and size of the AD9988?
The AD9988 is packaged in a 324-ball BGA with dimensions of 15 mm x 15 mm and a pitch of 0.8 mm. - What are the operating temperature and supply voltage ranges for the AD9988?
The operating temperature range is -40°C to 120°C, and the supply voltage range is 0.95 V to 2.1 V. - Does the AD9988 support multichip synchronization?
Yes, the AD9988 supports multichip synchronization with an on-chip PLL and external RF clock input option. - What digital signal processing capabilities does the AD9988 offer?
The AD9988 offers configurable DDCs and DUCs, 48-bit NCOs, and a programmable 192-tap PFIR filter for receive equalization. - What are some of the key applications for the AD9988?
The AD9988 is used in wireless communications infrastructure, point to point microwave, E-band, 5G mmWave, broadband communications systems, and communication test and measurement systems.
