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AFE4490 Datasheet(PDF) 5 Page - Texas Instruments

Part # AFE4490
Description  Integrated Analog Front-End for Pulse Oximeters
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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AFE4490 Datasheet(HTML) 5 Page - Texas Instruments

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AFE4490
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SBAS602G – DECEMBER 2012 – REVISED JUNE 2014
Added Figure 24 ................................................................................................................................................................... 20
Deleted Figure 23, Noise-Free Bits vs PLETH Current (BW = 5 Hz, PRF = 5000 Hz)........................................................ 20
Added Figure 24 ................................................................................................................................................................... 21
Deleted Figure 29, Noise-Free Bits vs PLETH Current (BW = 20 Hz, PRF = 5000 Hz)...................................................... 21
Added Figure 38 through Figure 41 ..................................................................................................................................... 22
Added Figure 49 to Figure 53............................................................................................................................................... 24
Changed gain setting range in Receiver Front-End section................................................................................................. 28
Changed corresponding register column description in rows t24, t26, and t28 in Table 2 ...................................................... 36
Changed description of LED Power Reduction During Periods of Inactivity section ........................................................... 42
Added text reference for Figure 64 in ADC Operation and Averaging Module section........................................................ 43
Changed last paragraph of AFE Analog Output Mode (ADC Bypass Mode) section .......................................................... 48
Updated Figure 76 ................................................................................................................................................................ 48
Updated Figure 77 ................................................................................................................................................................ 49
Changed LED2CONVEND register name in Table 4 ........................................................................................................... 55
Changed RESERVED1 and RESERVED2 register descriptions in Table 4 ........................................................................ 57
Changed description of bits D[15:0] in LED2STC register ................................................................................................... 58
Changed description of bits D[15:0] in LED2ENDC, LED2LEDSTC, and LED2LEDENDC registers.................................. 59
Changed description of bits D[15:0] in ALED2STC, ALED2ENDC, and LED1STC registers .............................................. 60
Changed description of bits D[15:0] in LED1ENDC, LED1LEDSTC, and LED1LEDENDC registers.................................. 61
Changed description of bits D[15:0] in ALED1STC, ALED1ENDC, and LED2CONVST registers ...................................... 62
Changed description of bits D[15:0] in ALED2CONVST and ALED2CONVEND registers.................................................. 63
Changed description of bits D[15:0] in LED1CONVST, LED1CONVEND, and ALED1CONVST registers ......................... 64
Changed description of bits D[15:0] in ALED1CONVEND register ...................................................................................... 65
Changed RESET to RESET in ADCRSTSTCT0 and ADCRSTENDCT0 registers.............................................................. 65
Changed RESET to RESET in ADCRSTSTCT1, ADCRSTENDCT1, and ADCRSTSTCT2 registers ................................ 66
Changed RESET to RESET in ADCRSTENDCT2, ADCRSTSTCT3, and ADCRSTENDCT3 registers ............................. 67
Added footnote to Table 6 .................................................................................................................................................... 71
Changed bits D18 and D17 names in CONTROL2 bit register............................................................................................ 72
Added note to description of bits D[18:17] in CONTROL2 register...................................................................................... 72
Changed RESERVED1 and RESERVED2 registers............................................................................................................ 74
Copyright © 2012–2014, Texas Instruments Incorporated
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