Overview
The AFE5807ZCF, produced by Texas Instruments, is a fully integrated 8-channel Analog Front-End (AFE) solution specifically designed for ultrasound applications. This device combines a low-noise amplifier (LNA), voltage-controlled attenuator (VCAT), programmable gain amplifier (PGA), low-pass filter (LPF), 12-bit analog-to-digital converter (ADC), and a passive continuous wave (CW) mixer. It is optimized for high-performance and small size, making it suitable for both high-end and portable ultrasound systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | - |
| LNA Gain | 24/18/12 dB | - |
| VCAT Attenuation Range | 0 to -40 dB | - |
| PGA Gain | 24/30 dB | - |
| LPF Frequencies | 10, 15, 20, 30 MHz | - |
| ADC Resolution and Sample Rate | 12-bit, 80 MSPS | - |
| SNR at 80 MSPS | 70 dBFS | - |
| Power Consumption per Channel | 117 mW (low noise mode), 159 mW (low power mode) | mW |
| Operating Temperature Range | 0°C to 85°C | °C |
| Package Type | 135-pin BGA | - |
| Package Size | 15 mm x 9 mm | mm |
Key Features
- Programmable Gain Low-Noise Amplifier (LNA) with 24/18/12 dB gain options
- Voltage-Controlled Attenuator (VCAT) with 0 to -40 dB attenuation range
- Programmable Gain Amplifier (PGA) with 24/30 dB gain options
- 3rd order linear phase Low-Pass Filter (LPF) configurable to 10, 15, 20, 30 MHz
- 12-bit Analog-to-Digital Converter (ADC) with 80 MSPS sample rate and 70 dBFS SNR
- Passive CW Mixer and low noise summing amplifier for continuous wave Doppler (CWD) beamforming
- Low harmonic distortion and excellent device-to-device gain matching
- Support for 16X, 8X, 4X, and 1X CW clocks
- Flexible input clock options and low close-in phase noise
Applications
- Medical Ultrasound Imaging
- Nondestructive Evaluation Equipment
Q & A
- What is the primary application of the AFE5807ZCF?
The AFE5807ZCF is primarily designed for ultrasound applications, including medical ultrasound imaging and nondestructive evaluation equipment.
- How many channels does the AFE5807ZCF support?
The AFE5807ZCF supports 8 channels.
- What are the gain options for the LNA and PGA?
The LNA has gain options of 24/18/12 dB, and the PGA has gain options of 24/30 dB.
- What is the resolution and sample rate of the ADC?
The ADC is 12-bit with a sample rate of 80 MSPS.
- What is the SNR at 80 MSPS?
The SNR at 80 MSPS is 70 dBFS.
- What are the power consumption options per channel?
The power consumption per channel is 117 mW in low noise mode and 159 mW in low power mode.
- What is the operating temperature range of the AFE5807ZCF?
The operating temperature range is from 0°C to 85°C.
- What is the package type and size of the AFE5807ZCF?
The AFE5807ZCF comes in a 135-pin BGA package with dimensions of 15 mm x 9 mm.
- Does the AFE5807ZCF support continuous wave Doppler (CWD) beamforming?
- What are the CW clock options supported by the AFE5807ZCF?
The AFE5807ZCF supports 16X, 8X, 4X, and 1X CW clocks.
