Overview
The AD9271BSVZRL-25, produced by Analog Devices Inc., is a highly integrated, low-power, and compact analog front-end (AFE) solution. This component is designed for applications requiring multiple channels of signal processing, including low noise amplification, variable gain amplification, antialiasing filtering, and high-speed analog-to-digital conversion. The AD9271 is particularly suited for medical imaging, ultrasound, and automotive radar systems due to its small size, low power consumption, and high dynamic performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Channels | 8 | |||
| Resolution (Bits) | 12 | |||
| Sampling Rate (Per Second) | 10 MSPS | 50 MSPS | ||
| Supply Voltage - Max | 1.8 V | 3.3 V | V | |
| Supply Voltage - Min | 1.8 V | 3.3 V | V | |
| Input Voltage (VIN) Maximum | 250 mV p-p | 333 mV p-p | 400 mV p-p | mV p-p |
| Gain Range (VGA) | -6 dB | +24 dB | dB | |
| Antialiasing Filter (AAF) Cutoff | 8 MHz | 18 MHz | MHz | |
| Power Consumption per Channel | 90 mW | 150 mW | mW | |
| Package Type | TQFP-100 |
Key Features
- Eight channels of low noise preamplifier (LNA), variable gain amplifier (VGA), antialiasing filter (AAF), and 12-bit analog-to-digital converter (ADC).
- Input-referred noise of 1.1 nV/√Hz at 5 MHz typical with a gain of 18 dB.
- SPI-programmable gain with options of 14 dB, 15.6 dB, and 18 dB.
- Single-ended input with maximum input voltages of 250 mV p-p, 333 mV p-p, and 400 mV p-p.
- Variable gain range of -6 dB to +24 dB.
- 3rd-order Butterworth antialiasing filter programmable from 8 MHz to 18 MHz.
- Low power consumption with 150 mW per channel at 12 bits/40 MSPS and 90 mW per channel in CW Doppler mode.
- Flexible power-down modes and fast recovery from low power standby mode (<2 μs).
- Includes a crosspoint switch to support continuous wave (CW) Doppler applications.
Applications
- Medical imaging and ultrasound systems, where high dynamic performance and low power consumption are critical.
- Automotive radar systems, requiring precise and reliable data acquisition.
- Industrial automation and IoT devices, benefiting from the component's low power and high reliability.
- Scientific instruments, where accurate data conversion is essential.
Q & A
- What is the AD9271BSVZRL-25 used for? The AD9271BSVZRL-25 is used in applications requiring multiple channels of signal processing, including medical imaging, ultrasound, automotive radar, and industrial automation.
- How many channels does the AD9271BSVZRL-25 have? The AD9271BSVZRL-25 has eight channels.
- What is the resolution of the ADC in the AD9271BSVZRL-25? The ADC has a resolution of 12 bits.
- What is the sampling rate range of the AD9271BSVZRL-25? The sampling rate ranges from 10 MSPS to 50 MSPS.
- What is the maximum input voltage for the AD9271BSVZRL-25? The maximum input voltage is 400 mV p-p.
- What is the gain range of the VGA in the AD9271BSVZRL-25? The gain range of the VGA is from -6 dB to +24 dB.
- What type of antialiasing filter does the AD9271BSVZRL-25 use? The AD9271BSVZRL-25 uses a 3rd-order Butterworth antialiasing filter.
- What is the power consumption per channel of the AD9271BSVZRL-25? The power consumption per channel is 150 mW at 12 bits/40 MSPS and 90 mW in CW Doppler mode.
- What package type does the AD9271BSVZRL-25 come in? The AD9271BSVZRL-25 comes in a TQFP-100 package.
- What are the typical applications of the AD9271BSVZRL-25? Typical applications include medical imaging, ultrasound, automotive radar, and industrial automation.
