Overview
The AD9689BBPZ-2000, produced by Analog Devices Inc., is a dual, 14-bit, high-speed analog-to-digital converter (ADC) designed for applications requiring direct sampling of wide bandwidth analog signals. This device is optimized for wide input bandwidth, high sampling rates, excellent linearity, and low power consumption in a compact package. The AD9689 features an on-chip buffer and a sample-and-hold circuit, making it suitable for low power, small size, and ease of use. It supports direct RF sampling of analog signals up to 5 GHz and has an analog input full power bandwidth of 9 GHz.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | Up to 2.6 GSPS |
| Analog Input Full Power Bandwidth | 9 GHz |
| Full-Scale Voltage | 1.1 V p-p |
| Supply Voltages | 0.975 V, 1.9 V, and 2.5 V dc |
| Package Type | 196-Ball BGA (12mm x 12mm x 1.42mm) |
| Operating Temperature Range | −40°C to +85°C |
| Interface | 3-wire SPI, JESD204B |
| Number of Channels | Up to 4 channels |
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.
- Four digital downconverters (DDCs) per channel with 48-bit numerically controlled oscillators (NCOs) and programmable decimation rates.
- Programmable FIR filters for analog channel loss equalization.
- Amplitude detect bits for efficient automatic gain control (AGC) implementation.
- Flexible power-down options for significant power savings.
- Support for multidevice synchronization via SYSREF± and SYNCINB± input pins.
- Flexible JESD204B lane configurations.
Applications
The AD9689BBPZ-2000 is designed to support a variety of communications applications, including:
- Direct RF sampling in wide bandwidth communication systems.
- High-speed data acquisition systems.
- Radar and electronic warfare systems.
- Medical imaging and diagnostic equipment.
- Test and measurement instruments.
Q & A
- What is the resolution and sampling rate of the AD9689BBPZ-2000?
The AD9689BBPZ-2000 is a 14-bit ADC with a sampling rate of up to 2.6 GSPS.
- What is the analog input full power bandwidth of the AD9689BBPZ-2000?
The analog input full power bandwidth is 9 GHz.
- What are the supply voltage options for the AD9689BBPZ-2000?
The device operates on 0.975 V, 1.9 V, and 2.5 V dc supply voltages.
- How many channels does the AD9689BBPZ-2000 support?
The AD9689BBPZ-2000 supports up to 4 channels.
- What interface options are available for the AD9689BBPZ-2000?
The device supports a 3-wire SPI interface and JESD204B high-speed serialized output.
- What is the package type and size of the AD9689BBPZ-2000?
The device is packaged in a 196-Ball BGA (12mm x 12mm x 1.42mm).
- What are the key features of the AD9689BBPZ-2000's digital downconverters (DDCs)?
The DDCs include 48-bit numerically controlled oscillators (NCOs) and programmable decimation rates, connected through a crossbar mux.
- How does the AD9689BBPZ-2000 support automatic gain control (AGC)?
The device features amplitude detect bits and a programmable threshold detector to support efficient AGC implementation.
- What are the power-down options available for the AD9689BBPZ-2000?
The device has flexible power-down options to allow significant power savings when desired.
- What is the operating temperature range of the AD9689BBPZ-2000?
The operating temperature range is −40°C to +85°C.
