TMDS261B datasheet(9/48 Pages) TI1

9 / 48 page

TMDS261B

www.ti.com

SLLS987A

– SEPTEMBER 2009 – REVISED JULY 2011

DISSIPATION RATINGS

DERATING FACTOR(1)

TA = 70°C

PACKAGE

PCB JEDEC STANDARD

TA ≤ 25°C

ABOVE TA = 25°C

POWER RATING

Low-K

1066 mW

10.66 mW/

°C

586 mW

64-pin TQFP (PAG)

High-K

1481 mW

14.8 mW/

°C

814 mW

(1)

This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no air flow.

THERMAL CHARACTERISTICS

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX(1)

UNIT

RθJB

Junction-to-board thermal resistance

37.13

°C/W

RθJC

Junction-to-case thermal resistance

15.3

°C/W

Device power dissipation in normal

LP = HIGH, TMDS: VID(pp) = 1200 mV, 3 Gbps

PD(1)

mode

TMDS data pattern; HPD_SINK = HIGH, S1/S2 =

560

780

LOW/HIGH, HIGH/HIGH

Device power dissipation in standby

LP = HIGH, TMDS: VID(pp) = 1200 mV, 3 Gbps

PD(2)

mode

TMDS data pattern; HPD_SINK = HIGH, S1 = HIGH,

S2 = LOW

Device power dissipation in low-power

PSD

LP = LOW

mode

Device power dissipation in normal

LP = HIGH, no TMDS input clock, HPD_SINK =

PNCLK

mode with no active TMDS input clock

HIGH, S1/S2 = LOW/HIGH, HIGH/HIGH

Junction Temperature

125

°C

(1)

The maximum rating is simulated under 3.6-V VCC across worst-case temperature and process variation. Typical conditions are

simulated at 3.3-V VCC, 25

°C with nominal process material.

RECOMMENDED OPERATING CONDITIONS

MIN

NOM

MAX

UNIT

VCC

Supply voltage

3.3

3.6

Operating free-air temperature

°C

TMDS DIFFERENTIAL OUTPUT AND INPUT PINS

VID(pp)

Peak-to-peak input differential voltage

0.15

1.56

VIC

Input common-mode voltage

VCC

– 0.4

VCC + 0.01

tIN_Rise_Fall

TMDS input rise and fall time

Acceptable pre-emphasis on TMDS input signals. Note that an input signal

VIN_PRE

into TMDS261B with longer pre-emphasis duration and/or larger

See (Figure 26)

pre-emphasis ampltidue, could result in over-equalization.

AVCC

TMDS output termination voltage

3.3

3.6

Data rate

Gbps

RVSadj

Resistor for TMDS-compliant voltage output swing

3.66

4.02

4.47

Ω

Termination resistance

Ω

DDC PINS

Input voltage

5.5

dR(I2C)

I2C data rate

100

Kbps

HPD AND CONTROL PINS

VIH

High-level input voltage

5.5

VIL

Low-level input voltage

0.8

TMDS261B Datasheet(PDF) 9 Page - Texas Instruments

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