Datasheet

AFE4490
SBAS602F –DECEMBER 2012–REVISED OCTOBER 2013 www.ti.com
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
POWER DISSIPATION
Normal operation (excluding LEDs) 2.84 mW
P
D(q)
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
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