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Product details

Parameters

Number of input channels 8 Active supply current (Typ) (mA) 133 Supply voltage (Max) (V) 3.6 Operating temperature range (C) 0 to 85 Interface type Serial LVDS Features Analog Front End (AFE) open-in-new Find other Ultrasound AFEs

Package | Pins | Size

NFBGA (ZCF) 135 135 mm² 9 x 15 open-in-new Find other Ultrasound AFEs

Features

  • 8-Channel Complete Analog Front-End
    • LNA, VCAT, PGA, LPF,
      ADC, and CW Mixer
  • Programmable Gain Low-Noise Amplifier (LNA)
    • 24/18/12 dBGain
    • 0.25/0.5/1 VPP Linear Input Range
    • 0.63/0.7/0.9 nV/rtHz IRN (Low Noise Mode)
    • 0.99/1.0/1.05 nV/rtHz IRN (Low Power Mode)
    • Programmable Active Termination
  • 40 dB Low Noise Voltage Controlled Attenuator (VCAT)
  • 24/30 dB Programmable Gain Amplifier (PGA)
  • 3rd Order Linear Phase Low-Pass Filter (LPF)
    • 10, 15, 20, 30 MHz
  • 12-bit Analog to Digital Converter (ADC)
    • 70 dBFS SNR at 80 MSPS
    • LVDS Outputs
  • Noise/Power Optimizations (Full Chain)
    • 117 mW/CH at 1.05 nV/rtHz, 80 MSPS
    • 159 mW/CH at 0.75 nV/rtHz, 80 MSPS
    • 80 mW/CH at CW Mode
  • Excellent Device-to-Device Gain Matching
    • ±0.5 dB(typical) and ±1 dB(max)
  • Low Harmonic Distortion
  • Fast and Consistent Overload Recovery
  • Passive Mixer for Continuous Wave Doppler(CWD)
    • Low Close-in Phase Noise –156 dBc/Hz
      at 1 KHz off 2.5 MHz Carrier
    • Phase Resolution of 1/16&lamba;
    • Support 16X, 8X, 4X and 1X CW Clocks
    • 12dB Suppression on 3rd and 5th Harmonics
    • Flexible Input Clocks
  • Small Package: 15 mm × 9 mm, 135-BGA
  • APPLICATIONS
    • Medical Ultrasound Imaging
    • Nondestructive Evaluation Equipments

open-in-new Find other Ultrasound AFEs

Description

The AFE5807 is an integrated Analog Front-End (AFE) solution specifically designed for ultrasound systems in which high performance and small size are required. The AFE5807 integrates a complete time-gain-control (TGC) imaging path and a continuous wave Doppler (CWD) path. It also enables users to select one of various power/noise combinations to optimize system performance. Therefore, the AFE5807 is a suitable ultrasound analog front end solution not only for high-end systems, but also for portable systems.

The AFE5807 contains eight channels of voltage controlled amplifier (VCA), 12-bit Analog-to-Digital Converter (ADC), and CW mixer. The VCA includes Low noise Amplifier (LNA), Voltage controlled Attenuator(VCAT), Programmable Gain Amplifier (PGA), and Low-Pass Filter (LPF). The LNA gain is programmable to support 250 mVPP to 1 VPP input signals. Programmable active termination is also supported by the LNA. The ultra-low noise VCAT provides an attenuation control range of 40 dB and improves overall low gain SNR which benefits harmonic imaging and near field imaging. The PGA provides gain options of 24 dB and 30 dB. Before the ADC, a LPF can be configured as 10 MHz, 15 MHz, 20 MHz or 30 MHz to support ultrasound applications with different frequencies. The high-performance 12 bit/80 MSPS ADC in the AFE5807 achieves 70 dBFS SNR. It ensures excellent SNR at low chain gain. The ADC’s LVDS outputs enable flexible system integration desired for miniaturized systems. The AFE5807 also integrates a low power passive mixer and a low noise summing amplifier to accomplish on-chip CWD beamformer. 16 selectable phase-delays can be applied to each analog input signal. Meanwhile a unique 3rd and 5th order harmonic suppression filter is implemented to enhance CW sensitivity.

The AFE5807 is available in a 15mm × 9mm, 135-pin BGA package and it is specified for operation from 0°C to 85°C. It is also pin-to-pin compatible to the AFE5808, AFE5803, and AFE5808A. In addtion, AFE5809 is another member with enhanced digital demodulation features in this family.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 11
Type Title Date
* Datasheet Fully Integrated, 8-Channel Ultrasound Analog Front End, Passive CW datasheet (Rev. C) May 03, 2013
Technical articles Offset correction improves the next generation of heart-rate smart watches Aug. 24, 2015
User guides AFE5807EVM (Rev E) Evaluation Module. (Rev. B) Mar. 05, 2015
Technical articles JESD204B: Is it for you? Mar. 14, 2014
Technical articles A new way to illuminate the human condition Dec. 30, 2013
Technical articles Oximeter signaling: There’s more than meets the eye Dec. 04, 2013
Application notes Understanding Serial LVDS Capture in High-Speed ADCs Jul. 10, 2013
User guides TSW1250EVM: High-Speed LVDS Deserializer and Analysis System (Rev. F) Jan. 20, 2012
More literature Ultrasound flyer (Rev. A) Sep. 22, 2011
More literature Ultrasound flyer Mar. 15, 2011
User guides AFE5807/08EVM (Rev D) Users Manual Dec. 14, 2010

Design & development

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NFBGA (ZCF) 135 View options

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