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AFE4490 데이터시트(PDF) 7 Page - Texas Instruments

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부품명 AFE4490
상세설명  Integrated Analog Front-End for Heart Rate Monitors and Low-Cost Pulse Oximeters
PDF  69 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

AFE4490 데이터시트(HTML) 7 Page - Texas Instruments

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AFE4400
www.ti.com
SBAS601D – DECEMBER 2012 – REVISED MAY 2013
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum specifications are at TA = –20°C to +85°C. Typical specifications are at +25°C.
All specifications are at RX_ANA_SUP = RX_DIG_SUP = 3 V, TX_CTRL_SUP = LED_DRV_SUP = 3.3 V, and fCLK = 8 MHz,
unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER DISSIPATION
Normal operation (excluding LEDs)
2.84
mW
Quiescent power dissipation
Power-down
0.1
mW
LED_DRV_SUP current value.
LED_DRV_SUP
1
µA
Does not include LED current.
Power-down with the
TX_CTRL_SUP
1
µA
AFE_PDN pin
RX_ANA_SUP
5
µA
RX_DIG_SUP
0.1
µA
LED_DRV_SUP current value.
LED_DRV_SUP
1
µA
Does not include LED current.
Power-down with the
TX_CTRL_SUP
1
µA
PDNAFE register bit
RX_ANA_SUP
15
µA
RX_DIG_SUP
20
µA
LED_DRV_SUP current value.
LED_DRV_SUP
50
µA
Does not include LED current.
TX_CTRL_SUP
15
µA
Power-down Rx
RX_ANA_SUP
220
µA
RX_DIG_SUP
220
µA
LED_DRV_SUP current value.
LED_DRV_SUP
2
µA
Does not include LED current.
TX_CTRL_SUP
2
µA
Power-down Tx
RX_ANA_SUP
600
µA
RX_DIG_SUP
230
µA
LED_DRV_SUP current value.
LED_DRV_SUP
55
µA
Does not include LED current.
After reset, with 8-MHz
TX_CTRL_SUP
15
µA
clock running
RX_ANA_SUP
600
µA
RX_DIG_SUP
230
µA
LED_DRV_SUP current value.
LED_DRV_SUP
55
µA
Does not include LED current.
With stage 2 mode
TX_CTRL_SUP
15
µA
enabled and 8-MHz clock
running
RX_ANA_SUP
700
µA
RX_DIG_SUP
270
µA
Copyright © 2012–2013, Texas Instruments Incorporated
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