AFE030 datasheet(10/58 Pages) TI1

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AFE030

SBOS588A

– DECEMBER 2011 – REVISED DECEMBER 2011

www.ti.com

ELECTRICAL CHARACTERISTICS: Two-Wire Interface

At TJ = +25°C, PA_VS = 16 V, VAVDD = VDVDD = 3.3 V, and PA_ISET (pin 46) connected to ground, unless otherwise noted.

AFE030

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

TWO-WIRE TRANSMITTER

Frequency range(1)

kHz

Leakage input current

≤ VIN ≤ DVDD

–1

0.01

μA

(E_Tx_In, E_Tx_Clk)

INPUT LOGIC LEVELS (E_Tx_In, E_Tx_Clk)

VIH

High-level input voltage

0.7

× DVDD

VIL

Low-level input voltage

0.3

× DVDD

OUTPUT LOGIC LEVELS (E_Tx_Out)

VOH

High-level output voltage

IOH = 3 mA

AVDD – 0.4

AVDD

VOL

Low-level output voltage

IOL = –3 mA

GND

GND + 0.4

TWO-WIRE RECEIVER

Gain

–4.5

Frequency range

300

kHz

Maximum sink current

Maximum source current

Input terminal offset

Referenced to VAVDD/2

–100

100

Input impedance

(1)

The two-wire transmitter circuit is tested at Tx_CLK = 10 MHz.

ELECTRICAL CHARACTERISTICS: Zero-Crossing Detector

At TJ = +25°C, PA_VS = 16 V, VAVDD = VDVDD = 3.3 V, and PA_ISET (pin 46) connected to ground, unless otherwise noted.

AFE030

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Input voltage range

AVDD – 0.4

AVDD + 0.4

Input current range

–10

+10

Input capacitance

Rising threshold

0.45

0.9

1.35

Falling threshold

0.25

0.5

0.75

Hysteresis

0.20

0.4

0.60

Jitter

50 Hz, 240 VRMS

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