Datasheet

AFE5808
www.ti.com SLOS688C –SEPTEMBER 2010–REVISED APRIL 2012
Changes from Revision B (August 2011) to Revision C Page
• Changed the data sheet title From: 8-Channel Ultrasound Analog Front End for Ultrasound... To: 8-Channel
Ultrasound Analog Front End ............................................................................................................................................... 1
• Added the AFE5808A Note to the Description text .............................................................................................................. 2
• Added pin compatible devices AFE5803 and AFE5808A to the Description text ................................................................ 2
• Chnaged the Noise figure TYP value for Rs= 100Ω From: 5.3/3.1/3.6 To: 5.3/3.1/2.3 ........................................................ 6
• Added footnote for CW Operation Range ............................................................................................................................. 8
• Changed the t
delay
Test Condiitons From: Input clock rising edge (zero cross) to frame clock rising edge (zero cross)
minus half the input clock period (T). To: Input clock rising edge (zero cross) to frame clock rising edge (zero cross)
minus 3/7 of the input clock period (T). .............................................................................................................................. 21
• Added text to the Register Map section: "Register settings are maintained when the AFE5808A is in either partial
power down mode or complete power down mode." .......................................................................................................... 26
• Changed Table 3 ................................................................................................................................................................ 29
• Changed the CHANNEL_OFFSET_SUBSTRACTION_ENABLE: Address: 3[8] text ........................................................ 29
• Added Note: 54[9] is only effective in CW mode. ............................................................................................................... 32
• Added Note: 59[8] is only effective in TGC test mode. ....................................................................................................... 33
• Changed Figure 64 ............................................................................................................................................................. 37
• Changed Figure 69 ............................................................................................................................................................. 41
• Added text to the LNA Input Coupling and Decoupling section .......................................................................................... 48
• Added text to the CW Clock Selection section ................................................................................................................... 57
• Changed the TEST MODES section .................................................................................................................................. 61
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