Overview
The AD9864BCPZ is a general-purpose IF (Intermediate Frequency) digitizing subsystem manufactured by Analog Devices Inc. This component is designed to digitize low-level IF signals, making it a crucial part of various radio and communication systems. The AD9864BCPZ integrates a low noise amplifier (LNA), a mixer, a band-pass Σ-Δ analog-to-digital converter (ADC), and a decimation filter, providing a comprehensive signal chain for IF signal processing. It operates within a frequency range of 10 MHz to 300 MHz and supports output signal bandwidths from 6.8 kHz to 270 kHz. The device is known for its high dynamic range and inherent antialiasing capabilities, which enable it to handle blocking signals up to 95 dB stronger than the desired signal, thereby reducing the need for extensive IF filtering.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Frequency Range | 10 MHz to 300 MHz | |
| Output Signal Bandwidth | 6.8 kHz to 270 kHz | |
| Single Sideband Noise Figure (SSB NF) | 7.5 dB | |
| Input Third-Order Intercept (IIP3) | -7.0 dBm | |
| Automatic Gain Control (AGC) Range | Up to -34 dBm, 12 dB continuous gain adjustment | |
| Supply Voltage | 2.7 V to 3.6 V | V |
| Total Power Consumption | Typically 56 mW | mW |
| Package Type | 48-lead LFCSP | |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- Integrated Signal Chain: Includes a low noise amplifier (LNA), a mixer, a band-pass Σ-Δ analog-to-digital converter (ADC), and a decimation filter.
- Programmable Parameters: Via SPI port, parameters such as synthesizer divide ratios, AGC attenuation and attack/decay time, received signal strength level, decimation factor, output data format, 16 dB attenuator, and selected bias currents can be programmed.
- High Dynamic Range: Capable of handling blocking signals up to 95 dB stronger than the desired signal, reducing IF filtering requirements.
- Low Power Consumption: Typically 56 mW in standard operating mode, with a power-down mode available via serial interfacing.
- Flexible Output Format: Supports 16-bit or 24-bit serial digital output.
Applications
- Multimode Narrow-Band Radio Products: Suitable for TETRA, APCO25, GSM/EDGE, and other narrow-band radio systems.
- Portable and Mobile Radio Products: Ideal for use in handheld and mobile communication devices.
- SATCOM Terminals: Used in satellite communication terminals due to its robust signal handling capabilities.
- UHF/VHF FDMA Receivers: Applicable in various UHF and VHF frequency division multiple access (FDMA) receiver systems.
Q & A
- What is the input frequency range of the AD9864BCPZ?
The input frequency range of the AD9864BCPZ is from 10 MHz to 300 MHz.
- What is the output signal bandwidth of the AD9864BCPZ?
The output signal bandwidth of the AD9864BCPZ ranges from 6.8 kHz to 270 kHz.
- What is the single sideband noise figure (SSB NF) of the AD9864BCPZ?
The single sideband noise figure (SSB NF) of the AD9864BCPZ is 7.5 dB.
- What is the input third-order intercept (IIP3) of the AD9864BCPZ?
The input third-order intercept (IIP3) of the AD9864BCPZ is -7.0 dBm.
- What is the supply voltage range for the AD9864BCPZ?
The supply voltage range for the AD9864BCPZ is from 2.7 V to 3.6 V.
- What is the typical power consumption of the AD9864BCPZ?
The typical power consumption of the AD9864BCPZ is 56 mW.
- In what package type is the AD9864BCPZ available?
The AD9864BCPZ is available in a 48-lead LFCSP package.
- What are the programmable parameters of the AD9864BCPZ?
The AD9864BCPZ allows programming of synthesizer divide ratios, AGC attenuation and attack/decay time, received signal strength level, decimation factor, output data format, 16 dB attenuator, and selected bias currents via the SPI port.
- What are some of the key applications of the AD9864BCPZ?
The AD9864BCPZ is used in multimode narrow-band radio products, portable and mobile radio products, SATCOM terminals, and UHF/VHF FDMA receivers.
- What is the operating temperature range of the AD9864BCPZ?
The operating temperature range of the AD9864BCPZ is from -40°C to +85°C.
