Overview
The AD9689BBPZ-2600, produced by Analog Devices Inc., is a dual, 14-bit analog-to-digital converter (ADC) designed for high-performance applications. This device is optimized for wide input bandwidth, high sampling rates, excellent linearity, and low power consumption in a compact package. It supports direct sampling of wide bandwidth analog signals up to 5 GHz and features an on-chip buffer and sample-and-hold circuit for low power and ease of use. The AD9689 is particularly suited for communications applications requiring the direct sampling of RF signals.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | 2.0 GSPS / 2.6 GSPS |
| Input Bandwidth | Up to 9 GHz |
| Analog Input Voltage Range | 1.1 V p-p to 2.0 V p-p |
| Common-Mode Voltage (VCM) | 1.4 V |
| Differential Input Capacitance | 0.35 pF |
| Power Supply Voltages | AVDD1: 0.95 V to 1.0 V, AVDD2: 1.85 V to 1.95 V, AVDD3: 2.44 V to 2.56 V |
| Package | 196-Ball BGA (12mm x 12mm x 1.42mm) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Dual ADC cores with multistage, differential pipelined architecture and integrated output error correction logic.
- Wide bandwidth inputs supporting various user-selectable input ranges.
- Integrated voltage reference for ease of design.
- Differential analog input and clock signals.
- Internally connected to four digital downconverters (DDCs) through a crossbar mux.
- 48-bit frequency translator (numerically controlled oscillator) and decimation rates.
- Programmable threshold detector for automatic gain control (AGC) and signal monitoring capability.
- Support for JESD204B-based high-speed serialized output in various lane configurations.
- Multidevice synchronization through SYSREF± and SYNCINB± input pins.
- Flexible power-down options for significant power savings.
- Programmable via a 3-wire serial port interface (SPI).
Applications
The AD9689BBPZ-2600 is designed to support a variety of communications applications, including:
- Direct RF sampling in wide bandwidth analog signals up to 5 GHz.
- High-speed data acquisition systems.
- Radar and electronic warfare systems.
- Wireless communication systems, such as 5G and beyond.
- Test and measurement equipment.
Q & A
- What is the resolution and sampling rate of the AD9689BBPZ-2600?
The AD9689BBPZ-2600 is a 14-bit ADC with sampling rates of 2.0 GSPS and 2.6 GSPS. - What is the input bandwidth of the AD9689BBPZ-2600?
The input bandwidth is up to 9 GHz. - What type of package does the AD9689BBPZ-2600 come in?
The device is available in a Pb-free, 196-ball BGA package. - What is the operating temperature range of the AD9689BBPZ-2600?
The operating temperature range is -40°C to +85°C. - How is the AD9689BBPZ-2600 programmed?
The device can be programmed using a 3-wire serial port interface (SPI). - What are the key features of the digital downconverters (DDCs) in the AD9689BBPZ-2600?
The DDCs include a 48-bit frequency translator (numerically controlled oscillator) and decimation rates, and they are connected through a crossbar mux. - Does the AD9689BBPZ-2600 support multidevice synchronization?
Yes, it supports multidevice synchronization through the SYSREF± and SYNCINB± input pins. - What is the purpose of the programmable threshold detector in the AD9689BBPZ-2600?
The programmable threshold detector is used for monitoring the incoming signal power and for automatic gain control (AGC) to avoid overrange conditions. - Can the AD9689BBPZ-2600 be configured for different output lane configurations?
Yes, it supports JESD204B-based high-speed serialized output in various lane configurations (one-lane, two-lane, four-lane, and eight-lane). - What are some of the applications of the AD9689BBPZ-2600?
The device is suitable for direct RF sampling, high-speed data acquisition, radar and electronic warfare systems, wireless communication systems, and test and measurement equipment.
