Overview
The AD9271BSVZ-40, produced by Analog Devices Inc., is a highly integrated, low-power, and compact analog front-end (AFE) solution. This device is designed for applications requiring multiple channels of signal processing, such as medical imaging, ultrasound, and automotive radar. It features eight channels of low noise preamplifier (LNA), variable gain amplifier (VGA), antialiasing filter (AAF), and a 12-bit analog-to-digital converter (ADC). The AD9271 is optimized for dynamic performance, low power consumption, and ease of use, making it an ideal choice for systems where small package size and high performance are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Number of Bits | 12 | |
| Sampling Rate | 10 MSPS to 50 MSPS | |
| Input Type | Single-Ended/Differential | |
| Input Voltage Range | 400 mV p-p / 333 mV p-p / 250 mV p-p | |
| Gain Range (VGA) | −6 dB to +24 dB | dB |
| Antialiasing Filter (AAF) | 3rd-order Butterworth, programmable from 8 MHz to 18 MHz | |
| Supply Voltage | 1.8 V, 3.3 V (for CW Doppler output bias) | V |
| Power Consumption | 150 mW per channel at 12 bits/40 MSPS | mW |
| Operating Temperature | −40°C to +85°C | °C |
| Package Type | 100-lead TQFP (14mm x 14mm) | |
| Data Interface | Serial LVDS |
Key Features
- Eight Channels of Signal Processing: Each channel includes a low noise preamplifier (LNA), variable gain amplifier (VGA), antialiasing filter (AAF), and a 12-bit ADC.
- Variable Gain Amplifier: Gain range of −6 dB to +24 dB with linear-in-dB gain control.
- Antialiasing Filter: 3rd-order Butterworth filter programmable from 8 MHz to 18 MHz.
- Low Power Consumption: 150 mW per channel at 12 bits/40 MSPS.
- Integrated Crosspoint Switch: Allows for various multichannel configurations, including CW Doppler mode.
- Flexible Power-Down Modes: Fast recovery from low power standby mode.
- Serial SPI Interface: Offers a wide range of flexible features for system control.
- Small Footprint: 100-lead TQFP package measuring 14mm x 14mm.
Applications
- Medical Imaging/Ultrasound: Ideal for high-channel-count medical imaging systems requiring low noise and high dynamic range.
- Automotive Radar: Suitable for automotive radar systems that demand high performance and low power consumption.
Q & A
- What is the maximum sampling rate of the AD9271BSVZ-40?
The maximum sampling rate is 50 MSPS.
- How many channels does the AD9271BSVZ-40 have?
The device has 8 channels.
- What is the gain range of the variable gain amplifier (VGA)?
The gain range is −6 dB to +24 dB.
- What type of antialiasing filter does the AD9271BSVZ-40 use?
The device uses a 3rd-order Butterworth antialiasing filter programmable from 8 MHz to 18 MHz.
- What is the power consumption per channel at 12 bits/40 MSPS?
The power consumption is 150 mW per channel.
- What is the operating temperature range of the AD9271BSVZ-40?
The operating temperature range is −40°C to +85°C.
- What type of package does the AD9271BSVZ-40 come in?
The device comes in a 100-lead TQFP package measuring 14mm x 14mm.
- What data interface does the AD9271BSVZ-40 use?
The device uses a serial LVDS data interface.
- Does the AD9271BSVZ-40 support simultaneous sampling?
Yes, the device supports simultaneous sampling.
- What is the typical input-referred noise of the LNA at 5 MHz?
The typical input-referred noise of the LNA is 1.1 nV/√Hz at 5 MHz.
