Overview
The AD9271BSVZRL-50, produced by Analog Devices Inc., is a highly integrated, low-power, and compact analog-to-digital converter (ADC) designed for various high-performance applications. This component features eight channels, each including a low noise amplifier (LNA), a variable gain amplifier (VGA), an antialiasing filter (AAF), and a 12-bit ADC. The AD9271 is optimized for dynamic performance and low power consumption, making it ideal for applications where small package size is critical.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| ADC Resolution | 12-bit |
| ADC Conversion Rate | 10 MSPS to 50 MSPS |
| LNA Gain | 14 dB / 15.6 dB / 18 dB (SPI-programmable) |
| LNA Input Noise | 1.1 nV/√Hz @ 5 MHz typical |
| VGA Gain Range | −6 dB to +24 dB |
| AAF Cutoff Frequency | Programmable from 8 MHz to 18 MHz |
| Input Impedance Matching | Dual-mode active input impedance matching |
| Bandwidth (BW) | > 70 MHz |
| Full-scale Output | 2 V p-p differential |
| Package Type | 100-Lead TQFP (14mm x 14mm) |
Key Features
- Eight channels of LNA, VGA, AAF, and ADC
- Low noise preamplifier (LNA) with single-ended-to-differential gain selectable through SPI
- Variable gain amplifier (VGA) with linear-in-dB gain control
- Third-order Butterworth antialiasing filter (AAF) with programmable cutoff frequency
- Fully differential signal path and active input preamplifier termination
- Maximum gain of up to 40 dB and ADC conversion rate of up to 50 MSPS
Applications
- Medical imaging/ultrasound
- Automotive radar
Q & A
- What is the primary function of the AD9271BSVZRL-50?
The AD9271BSVZRL-50 is a multi-channel analog-to-digital converter (ADC) with integrated low noise amplifiers (LNAs), variable gain amplifiers (VGAs), and antialiasing filters (AAFs). - How many channels does the AD9271BSVZRL-50 have?
The AD9271BSVZRL-50 has eight channels. - What is the resolution of the ADC in the AD9271BSVZRL-50?
The ADC resolution is 12-bit. - What is the conversion rate range of the ADC?
The ADC conversion rate ranges from 10 MSPS to 50 MSPS. - What is the typical input noise of the LNA?
The typical input noise of the LNA is 1.1 nV/√Hz @ 5 MHz. - What is the gain range of the VGA?
The gain range of the VGA is from −6 dB to +24 dB. - Can the AAF cutoff frequency be programmed?
Yes, the AAF cutoff frequency can be programmed from 8 MHz to 18 MHz. - What is the bandwidth (BW) of the AD9271BSVZRL-50?
The bandwidth (BW) is greater than 70 MHz. - What are the typical applications of the AD9271BSVZRL-50?
The typical applications include medical imaging/ultrasound and automotive radar. - What is the package type of the AD9271BSVZRL-50?
The package type is a 100-Lead TQFP (14mm x 14mm).
