TLFD600 datasheet(22/36 Pages) TI1

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TLFD600

ADSL CODEC WITH INTEGRATED LINE DRIVER AND RECEIVER

SLAS280B – MAY 2000 – REVISED NOVEMBER 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics, TA = 25°C, analog power supplies = 3.3 V, digital power supplies = 3.3 V,

AVDD_DRIVER = 12 V, fCLKIN = 35.328 MHz (unless otherwise noted) (continued)

reference voltage

PARAMETER

MIN

TYP

MAX

UNIT

REFP

2.4

2.5

2.6

TXBANDGAP, RXBANDGAP

1.4

1.5

1.6

REFM

0.4

0.5

0.6

VMID_ADC

1.47

timing requirements over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted)

serial port (see Figures 18 and 19)

PARAMETER

MIN

TYP

MAX

UNIT

td(1)

Delay time, FSX goes high after SCLK

↑

td(2)

Delay time, FSX goes low after SCLK

↑

td(3)

Delay time, SDX valid after SCLK

↑

td(4)

Delay time, FSR goes high after SCLK

↑

td(5)

Delay time, FSR goes low after SCLK

↑

tsu

Set up time, SDR ready before SCLK

↑

Hold time, SDR keep active after SCLK

↑

FSX

(Output)

SCLK

(Output)

SDX

(Ouput)

td(1)

td(2)

td(3)

Figure 18. Serial Interface Timing (TX Channel)

FSR

(Output)

SCLK

(Output)

SDR

(Input)

t(su)

td(4)

td(5)

Figure 19. Serial Interface Timing (RX Channel)

TLFD600 Datasheet(PDF) 22 Page - Texas Instruments

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