Datasheet

AFE4490
www.ti.com SBAS602F –DECEMBER 2012–REVISED OCTOBER 2013
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum specifications are at T
A
= –40°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 = 5 V, stage 2 amplifier
disabled, and f
CLK
= 8 MHz, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
RX_ANA_SUP = 3.0 V, with 8-MHz clock
0.6 mA
running, Rx stage 2 disabled
Receiver analog supply current
RX_ANA_SUP = 3.0 V, with 8-MHz clock
0.7 mA
running, Rx stage 2 enabled
Receiver digital supply current RX_DIG_SUP = 3.0 V 0.27 mA
RX_ANA_SUP + RX_DIG_SUP
ADC bypass mode 1.8 mA
(Excluding external ADC current)
LED_DRV
LED driver supply current With zero LED current setting 55 µA
_SUP
TX_CTRL
Transmitter control supply current 15 µA
_SUP
Receiver current only
3 µA
(RX_ANA_SUP)
Receiver current only
3 µA
(RX_DIG_SUP)
Complete power-down
(using AFE_PDN pin)
Transmitter current only
1 µA
(LED_DRV_SUP)
Transmitter current only
1 µA
(TX_CTRL_SUP)
Receiver current only
220 µA
(RX_ANA_SUP)
Power-down Rx alone
Receiver current only
220 µA
(RX_DIG_SUP)
Transmitter current only
2 µA
(LED_DRV_SUP)
Power-down Tx alone
Transmitter current only
2 µA
(TX_CTRL_SUP)
Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 7
Product Folder Links: AFE4490