GUI for evaluation module (EVM)
Data sheet
AFE5801
- Eight Variable-Gain Amplifiers (VGA)
- Eight Differential Buffered Inputs With 2Vpp Maximum Swing
- 5.5nV/√Hz VCA Input Noise (31dB Gain)
- Variable Gain, –5dB to 31dB With 0.125dB or 1dB Steps
- Digital Gain Control
- Third-Order Antialiasing Filter With Programmable Cutoff Frequency (7.5, 10, or 14MHz)
- Clamping
- Analog-to-Digital Converter (ADC)
- Octal Channel, 12Bit, 65MSPS
- Internal and External Reference Support
- No External Decoupling Required for References
- Serial LVDS Outputs
- 1.8V and 3.3V Supplies
- 50mW Total Power per Channel at 30MSPS
- 58mW Total Power per Channel at 50MSPS
- 64QFN Package (9mm × 9mm)
- APPLICATIONS
- Imaging: Ultrasound, PET
- APPLICATIONS
- AFE5851: 16-Channel VGA + ADC, 32.5MSPS/Channel
The AFE5801 is an analog front end, targeting applications where the power and level of integration are critical. The device contains eight variable-gain amplifiers (VGA), each followed by a high-speed (up to 65MSPS) ADC, for a total of eight ADCs per device.
Each of the eight differential inputs is buffered, accepts up to 2Vpp maximum input swing, and is followed by a VGA with a gain range from –5dB to 31dB. The VGA gain is digitally controlled, and the gain curves versus time can be stored in memory integrated within the device using the serial interface.
A selectable clamping and antialias low-pass filter (with 3dB attenuation at 7.5, 10, or 14MHz) is also integrated between VGA and ADC, for every channel.
The VGA/antialias filter outputs are differential (limited to 2Vpp) and drive the onboard 12bit, 65MSPS ADC. The ADC also scales down its power consumption should a lower sampling rate be selected. The ADC outputs are serialized in LVDS streams, which further minimizes power and board area.
The AFE5801 is available in a 64-pin QFN package (9mm × 9mm) and is specified over the full industrial temperature range (–40°C to 85°C).
Technical documentation
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View all 5 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | 8-Channel Variable-Gain Amplifier (VGA) With Octal High-Speed ADC datasheet (Rev. D) | 24 May 2010 | |
| User guide | AFE5801 8-Channel Varable Gain Ampl w/Octal High-Speed ADC (Rev. B) | 05 Mar 2015 | ||
| User guide | TSW1250EVM: High-Speed LVDS Deserializer and Analysis System (Rev. F) | 20 Jan 2012 | ||
| More literature | Ultrasound flyer (Rev. A) | 22 Sep 2011 | ||
| More literature | Ultrasound flyer | 15 Mar 2011 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
AFE5801EVM — AFE5801 evaluation module
The AFE5801 evaluation module (EVM) is a platform for developing the AFE5801 device. AFE5801 includes an eight-channel voltage-controlled amplifier (VCA) with digital control and an eight-channel 65MSPS analog-to-digital converter (ADC). The eight analog input signals will be processed by the (...)
User guide: PDF
Support software
SLOC231 — TSW1250EVM Software
Supported products & hardware
Products
Ultrasound AFEs
Hardware development
Evaluation board
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RGC) | 64 | Ultra Librarian |
Ordering & quality
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