Overview
The AD9670BBCZ, produced by Analog Devices Inc., is an integrated circuit designed for high-performance data acquisition systems, particularly in medical imaging and ultrasound applications. This octal ultrasound analog front-end (AFE) features a comprehensive set of functionalities including variable gain amplifiers (VGAs), low noise amplifiers (LNAs), continuous wave (CW) harmonic rejection I/Q demodulators, antialiasing filters, analog-to-digital converters (ADCs), and digital demodulators/decimators. The device is optimized for low cost, low power consumption, small size, and ease of use, making it ideal for portable and battery-powered applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Maximum Gain per Channel | Up to 52 dB | |
| Signal-to-Noise Ratio (SNR) | 69 dBFS at -12 dBFS, 59 dBFS at -1 dBFS | |
| Close In SNR | -130 dBc/√Hz at 1 kHz offset | |
| Second Harmonic | -70 dBc at -12 dBFS, -62 dBc at -1 dBFS | |
| Third Harmonic | -70 dBc at -12 dBFS, -62 dBc at -1 dBFS | |
| Operating Temperature | 0°C to +85°C | |
| Package Type | 144-Ball Chip Scale Package, Ball Grid Array |
Key Features
- Eight channels of VGA with LNA, CW harmonic rejection I/Q demodulator, antialiasing filter, ADC, and digital demodulator/decimator.
- Programmable phase rotation with 16 phase settings in CW Doppler mode.
- Programmable clock, data alignment, and digital test pattern generation.
- Support for power-down of individual channels and standby mode for power cycling.
- Configurable serial low voltage differential signaling (LVDS).
- Fully differential signal path and active input preamplifier termination.
- Integrated FIR decimation filter.
Applications
- Medical imaging and ultrasound.
- Nondestructive testing (NDT).
- Portable and battery-powered applications due to low power consumption and power-saving features.
Q & A
- What is the primary application of the AD9670BBCZ?
The AD9670BBCZ is primarily used in medical imaging and ultrasound applications. - How many channels does the AD9670BBCZ have?
The AD9670BBCZ has eight channels. - What is the maximum gain per channel of the AD9670BBCZ?
The maximum gain per channel is up to 52 dB. - What is the signal-to-noise ratio (SNR) of the AD9670BBCZ?
The SNR is 69 dBFS at -12 dBFS and 59 dBFS at -1 dBFS. - Does the AD9670BBCZ support power-down of individual channels?
Yes, the AD9670BBCZ supports power-down of individual channels to increase battery life. - What type of package does the AD9670BBCZ come in?
The AD9670BBCZ comes in a 144-Ball Chip Scale Package, Ball Grid Array. - What is the operating temperature range of the AD9670BBCZ?
The operating temperature range is 0°C to +85°C. - Does the AD9670BBCZ have programmable phase rotation?
Yes, it has programmable phase rotation with 16 phase settings in CW Doppler mode. - What kind of digital test patterns can be generated by the AD9670BBCZ?
The AD9670BBCZ can generate built-in fixed patterns, built-in pseudorandom patterns, and custom user-defined test patterns via the SPI interface. - Is the AD9670BBCZ suitable for portable applications?
Yes, it is suitable for portable and battery-powered applications due to its low power consumption and power-saving features.
