Datasheet > AFE031_13

AFE031_13

更新时间： 2022-04-25 11:50:59

品牌	Logo	应用领域
德州仪器 - TI		通信
页数	文件大小	规格书
57页	970K
描述
Powerline Communications Analog Front-End

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AFE031_13 数据手册

AFE031

SBOS531D –AUGUST 2010–REVISED MAY 2012

www.ti.com

ELECTRICAL CHARACTERISTICS: Digital

At T_J= +25°C, PA_V_S= 16 V, V_AVDD= V_DVDD= 3.3 V, and 10 kΩ connected to PA_ISET (pin 46), unless otherwise noted.

AFE031

PARAMETER

Digital Inputs (SCLK, DIN, CS, DAC, SD)

Leakage input current

CONDITIONS

MIN

TYP

MAX

UNIT

0 ≤ V_IN≤ DV_DD

–1

0.01

μA

Input logic levels

High-level input voltage

Low-level input voltage

V_IH

V_IL

0.7 • DV_DD

0.3 • DV_DD

SD pin high

SD > 0.7 • DV_DD

SD < 0.3 • DV_DD

DAC > 0.7 • DV_DD

AFE031 in shutdown

SD pin low

AFE031 in normal operation

SPI access to DAC Register

DAC pin high

SPI access to Command and Data

Registers

DAC pin low

DAC < 0.3 • DV_DD

Digital Outputs (DO, ZC_OUT)

High-level output voltage

Low-level output voltage

V_O

I_OH= 3 mA

I_OL= –3 mA

DV_DD– 0.4

GND

DV_DD

V_OL

GND + 0.4

Digital Outputs (INT, Tx_Flag, Rx_Flag)

High-level output current

Low-level output voltage

Low-level output current

INT pin high (open drain)

INT pin low (open drain)⁽¹⁾

Tx_Flag high (open drain)

Tx_Flag low (open drain)

Rx_Flag high (open drain)

Rx_Flag low (open drain)

DIGITAL TIMING

I_OH

V_OL

I_OL

V_OH= 3.3 V

I_OL= 4 mA

μA

0.4

V_OL= 400 mV

INT sink current < 1 μA

INT < 0.4 V

Normal operation

Indicates an interrupt has occurred

Indicates Tx block is ready

Tx_Flag sink current < 1 μA

Tx_Flag < 0.4 V

Indicates Tx block is not ready

Indicates Rx block is ready

Rx_Flag sink current < 1 μA

Rx_Flag < 0.4 V

Indicates Rx block is not ready

Gain Timing

Gain select time

0.2

μs

Shutdown Mode Timing

Enable time

4.0

2.0

μs

Disable time

POR Timing

Power-On Reset power-up time

DV_DD≥ 2 V

μs

(1) When an interrupt is detected (INT pin low), the contents of the I_Flag and T_Flag Registers can be read to determine the reason for the

interrupt.

Product Folder Link(s): AFE031

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