AFE4490 datasheet(3/69 Pages) TI

3 / 69 page

AFE4400

www.ti.com

SBAS601D – DECEMBER 2012 – REVISED MAY 2013

RECOMMENDED OPERATING CONDITIONS

Over operating free-air temperature range, unless otherwise noted.

PARAMETER

VALUE

UNIT

SUPPLIES

RX_ANA_SUP

AFE analog supply

2.0 to 3.6

RX_DIG_SUP

AFE digital supply

2.0 to 3.6

TX_CTRL_SUP

Transmit controller supply

3.0 to 3.6

[3.0 or (1.4 + VLED + VCABLE)

(1) (2),

H-bridge configuration

whichever is greater] to 5.25

LED_DRV_SUP

Transmit LED driver supply

Common anode

[3.0 or (1.3 + VLED + VCABLE)

(1) (2),

configuration

whichever is greater] to 5.25

Difference between LED_DRV_SUP and TX_CTRL_SUP

–0.3 to +0.3

TEMPERATURE

Specified temperature range

0 to +70

°C

Storage temperature range

–60 to +150

°C

(1)

VLED refers to the voltage drop across the external LED connected between the TXP and TXM pins (in H-bridge mode) and from the

TXP and TXM pins to LED_DRV_SUP (in the common anode configuration).

(2)

VCABLE refers to voltage drop across any cable, connector, or any other component in series with the LED.

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