Overview
The AD9273BBCZ-40, produced by Analog Devices Inc., is a highly integrated, octal-channel analog front-end (AFE) device designed for low cost, low power, small size, and ease of use. It combines eight channels of a low noise preamplifier (LNA), a variable gain amplifier (VGA), an antialiasing filter (AAF), and a 12-bit analog-to-digital converter (ADC). Each channel features a fully differential signal path, active input preamplifier termination, and a maximum gain of up to 52 dB. The device is optimized for dynamic performance and low power consumption, making it ideal for applications where small package size is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | - |
| ADC Resolution | 12 bits | - |
| ADC Conversion Rate | 10 MSPS to 50 MSPS | MSPS |
| Gain Range | −42 dB to 52 dB | dB |
| Power Consumption per Channel | 109 mW at 12 bits/40 MSPS (TGC), 70 mW in CW Doppler | mW |
| Package Type | 144-Ball CSPBGA (10mm x 10mm x 1.4mm) | - |
| Temperature Range | −40°C to +85°C | °C |
| Input Voltage Range | Up to 733 mV p-p | mV p-p |
| Antialiasing Filter | Programmable 2nd-order low-pass filter (LPF) from 8 MHz to 18 MHz | - |
Key Features
- Eight channels of LNA, VGA, AAF, and ADC
- Low noise preamplifier (LNA) with variable gain amplifier (VGA)
- Programmable antialiasing filter (AAF)
- 12-bit, 10 MSPS to 50 MSPS analog-to-digital converter (ADC)
- Includes an 8 × 8 differential crosspoint switch to support continuous wave (CW) Doppler
- Low power consumption: 109 mW per channel at 12 bits/40 MSPS (TGC), 70 mW per channel in CW Doppler
- Flexible power-down modes and fast recovery from low power standby mode (<2 μs)
- Overload recovery in <10 ns
- Serial port interface (SPI) control for flexible system configuration
Applications
- Medical imaging and ultrasound
- Automotive radar
Q & A
- What is the primary function of the AD9273BBCZ-40?
The AD9273BBCZ-40 is an octal-channel analog front-end (AFE) device that integrates low noise preamplifiers (LNA), variable gain amplifiers (VGA), antialiasing filters (AAF), and analog-to-digital converters (ADC) in a single package.
- How many channels does the AD9273BBCZ-40 have?
The device has eight channels.
- What is the ADC resolution and conversion rate of the AD9273BBCZ-40?
The ADC has a resolution of 12 bits and a conversion rate of 10 MSPS to 50 MSPS.
- What is the power consumption per channel of the AD9273BBCZ-40?
The power consumption is 109 mW per channel at 12 bits/40 MSPS (TGC) and 70 mW per channel in CW Doppler mode.
- What types of packages are available for the AD9273BBCZ-40?
The device is available in a 144-Ball CSPBGA (10mm x 10mm x 1.4mm) and a 100-Lead TQFP (14mm x 14mm).
- What is the temperature range for the AD9273BBCZ-40?
The device operates over the industrial temperature range of −40°C to +85°C.
- What is the purpose of the antialiasing filter in the AD9273BBCZ-40?
The antialiasing filter is a programmable 2nd-order low-pass filter (LPF) that can be set from 8 MHz to 18 MHz to prevent aliasing in the ADC.
- Does the AD9273BBCZ-40 support continuous wave (CW) Doppler mode?
- How does the AD9273BBCZ-40 manage power consumption?
The device has flexible power-down modes and fast recovery from low power standby mode (<2 μs).
- What is the overload recovery time of the AD9273BBCZ-40?
The overload recovery time is less than 10 ns.
