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SN65LVPE502A, SN65LVPE502B

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SLLSEB3C – MARCH 2012 – REVISED NOVEMBER 2016

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(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.4 Thermal Information

SN65LVPE502A, SN65LVPE502B

UNIT

RGE (VQFN)

RLL (VQFN)

24 PINS

24 PINS

Junction-to-ambient thermal resistance

46

41.6

°C/W

Junction-to-case (top) thermal resistance

42

43.2

°C/W

Junction-to-board thermal resistance

13

11.5

°C/W

Junction-to-top characterization parameter

4

6.3

°C/W

Junction-to-board characterization parameter

—

1.1

°C/W

Junction-to-case (bottom) thermal resistance

—

11.5

°C/W

6.5 Electrical Characteristics

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RECEIVER AC/DC

RX1, RX2 input voltage swing

AC-coupled differential RX peak-to-peak signal

100

1200

VCM_RX

RX1, RX2 common mode voltage

3.3

V

RX1, RX2 AC peak common mode

voltage

Measured at RX pins with termination enabled

150

DC common mode impedance

18

26

30

Ω

DC differential input impedance

72

80

120

Ω

DC Input high impedance

Device in sleep mode RX termination not powered

measured with respect to GND over 500 mV maximum

50

85

kΩ

Low frequency periodic signaling

(LFPS) detect threshold

Measured at receiver pin, below minimum output is

squelched, above maximum input signal is passed to

output

100

300

Differential return loss

50 MHz to 1.25 GHz

10

11

dB

1.25 GHz to 2.5 GHz

6

7

Common mode return loss

50 MHz to 2.5 GHz

11

13

dB

TRANSMITTER AC/DC

Differential peak-to-peak output

voltage, transition bit (VID = 800,

800

1042

1200

mV

908

1127

Differential peak-to-peak output

voltage, non-transition bit (VID = 800,

1042

mV

661

507

DE

De-emphasis level OS1, 2 = NC

(for OS1, 2 = 1 and 0, see Table 4)

DE1/DE2 = NC

0

dB

DE1/DE2 = 0 (SN65LVPE502A, RLL package)

–3.5

DE1/DE2 = 0 (SN65LVPE502x, RGE packages)

–3

–3.5

–4

DE1/DE2 = 1

–6

De-emphasis width

0.85

UI

DC differential impedance

72

90

120

Ω

DC common mode impedance

Measured w.r.t to AC ground over 0 V to 500 mV

18

23

30

Ω

Differential return loss

f = 50 MHz to 1.25 GHz

9

10

dB

f = 1.25 GHz to 2.5 GHz

6

7

Common mode return loss

f = 50 MHz to 2.5 GHz

11

12

dB

TX short circuit current

TX± shorted to GND

60

mA

Transmitter DC common mode

voltage

OSx = NC

2

2.6

3

V

TX AC common mode voltage active

30

100

Electrical idle differential peak to peak

output voltage

HPF to remove DC

0

10