Overview
The AD9674KBCZ is an octal-channel ultrasound analogue front-end (AFE) designed by Analog Devices Inc. This component is optimized for low cost, low power consumption, small size, and ease of use, particularly in medical ultrasound applications. It integrates eight channels, each featuring a low noise amplifier (LNA), a variable gain amplifier (VGA), an antialiasing filter (AAF), an analog-to-digital converter (ADC), and a digital RF decimator. The device supports continuous wave (CW) Doppler mode with harmonic rejection I/Q demodulation and programmable phase rotation, making it highly versatile for various ultrasound imaging needs.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| ADC Resolution | 14 bits |
| Maximum Sample Rate | 100 MHz |
| Package Type | 144-pin CSP-BGA |
| Operating Temperature Range | 0°C to 85°C |
| Supply Voltage | 1.7V to 3.6V |
| Input SNR | Typically 94 dB (noise bandwidth = 15 MHz, LNA gain = 21.6 dB) |
| Input Compression Point | Typically 1 V p-p (LNA gain = 15.6 dB, AVDD1 = 1.8 V) |
| Maximum Gain | Up to 52 dB |
Key Features
- Eight channels with LNA, VGA, AAF, ADC, and digital RF decimator
- Flexible power-down modes with fast recovery from low power standby mode (< 2 μs)
- Low noise preamplifier (LNA) with flexible active input impedance matching
- Variable gain amplifier (VGA) and antialiasing filter (AAF)
- Configurable serial low voltage differential signaling (LVDS)
- Continuous wave (CW) Doppler mode with harmonic rejection I/Q demodulator and programmable phase rotation
- Fully differential signal path and active input preamplifier termination
Applications
- Medical imaging and ultrasound
- Non-destructive testing (NDT)
Q & A
- What is the AD9674KBCZ? The AD9674KBCZ is an octal-channel ultrasound analogue front-end (AFE) designed by Analog Devices Inc.
- How many channels does the AD9674KBCZ have? It has eight channels.
- What is the maximum sample rate of the AD9674KBCZ? The maximum sample rate is 100 MHz.
- What is the package type of the AD9674KBCZ? It is packaged in a 144-pin CSP-BGA.
- What is the operating temperature range of the AD9674KBCZ? The operating temperature range is from 0°C to 85°C.
- What are the key features of the AD9674KBCZ? Key features include flexible power-down modes, low noise preamplifier, variable gain amplifier, and configurable serial LVDS.
- What applications is the AD9674KBCZ suitable for? It is suitable for medical imaging and ultrasound, as well as non-destructive testing (NDT).
- How does the CW Doppler mode work in the AD9674KBCZ? The CW Doppler mode includes an I/Q demodulator with harmonic rejection and programmable phase rotation for analog beamforming.
- What is the typical input SNR of the AD9674KBCZ? The typical input SNR is 94 dB (noise bandwidth = 15 MHz, LNA gain = 21.6 dB).
- Can the AD9674KBCZ be configured for different serial output formats? Yes, it supports configurable serial low voltage differential signaling (LVDS) and can be set for different serial stream resolutions.
