Overview
The AD9271BSVZ-25, produced by Analog Devices Inc., is a highly integrated, low-power, octal-channel analog front-end (AFE) IC. This device is designed for applications requiring high dynamic performance, low power consumption, and compact size. It features eight channels of a variable gain amplifier (VGA) with a low noise preamplifier (LNA), an antialiasing filter (AAF), and a 12-bit analog-to-digital converter (ADC) capable of operating at sampling rates from 10 MSPS to 50 MSPS. The AD9271 is particularly suited for medical imaging, ultrasound, and automotive radar applications due to its high-speed, low-noise, and flexible design.
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 | |
| VGA Gain Range | -6 dB | +24 dB | dB | |
| AAF Cutoff Frequency | 8 MHz | 18 MHz | MHz | |
| SNR | 70 dB | dB | ||
| SFDR | 80 dB | dB | ||
| Power Consumption (Full-channel mode) | 993 mW | mW | ||
| Package Type | 100-TQFP Exposed Pad |
Key Features
- Eight channels of variable gain amplifier (VGA) with low noise preamplifier (LNA)
- Antialiasing filter (AAF) with programmable cutoff frequency from 8 MHz to 18 MHz
- 12-bit analog-to-digital converter (ADC) with sampling rates from 10 MSPS to 50 MSPS
- Low power consumption: 150 mW per channel at 12 bits/40 MSPS
- Flexible power-down modes and fast recovery from low power standby mode
- Includes crosspoint switch to support continuous wave (CW) Doppler
- Single 1.8 V supply (3.3 V supply for CW Doppler output bias)
- Serial LVDS (ANSI-644, IEEE 1596.3 reduced range link) data and frame clock outputs
Applications
- Medical imaging and ultrasound
- Automotive radar
- High-speed data acquisition systems
- Industrial automation and IoT devices
Q & A
- What is the resolution of the AD9271BSVZ-25 ADC?
The AD9271BSVZ-25 has a 12-bit resolution. - What are the sampling rates supported by the AD9271BSVZ-25?
The device supports sampling rates from 10 MSPS to 50 MSPS. - What is the gain range of the VGA in the AD9271BSVZ-25?
The VGA gain range is from -6 dB to +24 dB. - What is the power consumption of the AD9271BSVZ-25 in full-channel mode?
The power consumption is approximately 993 mW in full-channel mode. - What type of package does the AD9271BSVZ-25 come in?
The device comes in a 100-TQFP Exposed Pad package. - What are the primary applications of the AD9271BSVZ-25?
The primary applications include medical imaging, ultrasound, automotive radar, and high-speed data acquisition systems. - Does the AD9271BSVZ-25 support CW Doppler?
Yes, it includes a crosspoint switch to support continuous wave (CW) Doppler. - What is the supply voltage range for the AD9271BSVZ-25?
The supply voltage range is from 1.8 V to 3.3 V. - What is the SNR and SFDR of the AD9271BSVZ-25?
The SNR is 70 dB and the SFDR is 80 dB. - How does the AD9271BSVZ-25 handle power-down modes?
The device features flexible power-down modes and fast recovery from low power standby mode.
