LAN91C111 datasheet(100/125 Pages) MICROCHIP

100 / 125 page

 2011-2016 Microchip Technology Inc.

DS00002276A-page 101

LAN91C111

13.4

Twisted Pair Characteristics, Receive

Unless otherwise noted, all test conditions are as follows:

• Vcc = 3.3V +/-5%

• RBIAS = 11K +/- 1%, no load

• 62.5/10 Mhz Square Wave on TP inputs in 100/10 Mbps

TOIR

TP Output Current

Adjustment Range

0.80

1.2

VDD = 3.3V, Adjustable with RBIAS,

relative to TOIA with RBIAS=11K

0.86

1.16

VDD = 3.3V, Adjustable with LVL[3:0]

Relative to Value at TLVL[3:0]=1000

TORA

TP Output Current

TLVL Step Accuracy

+/-50

Relative to Ideal Values in Table 3.

Table 3 Values Relative to Output with

TLVL[3:0]=1000.

TOR

TP Output

Resistance

10K

Ohm

TOC

TP Output

Capacitance

SYM

Parameter

Limits

Unit

Conditions

MIN

TYP

MAX

RST

TP Input Squelch

Threshold

166

500

mV pk

100 Mbps, RLVL=0

310

540

mV pk

10 Mbps, RLVL=0

200

mV pk

100 Mbps, RLVL=1

186

324

mV pk

10 Mbps, RLVL=1

RUT

TP Input Unsquelch

Threshold

100

300

mV pk

100 Mbps, RLVL=0

186

324

mV pk

10 Mbps, RLVL=0

mV pk

100 Mbps, RLVL=1

112

194

mV pk

10 Mbps, RLVL=1

TP Input Open Circuit

Voltage

VDD- 2.4

± 0.2

Volt

Voltage on Either TPI+ or TPI- with

Respect to GND.

RCMR

TP Input Common

Mode Voltage Range

ROCV

± 0.25

Volt

Voltage on TPI± with Respect to

GND.

RDR

TP Input Differential

Voltage Range

VDD

Volt

RIR

TP Input Resistance

Ohm

RIC

TP Input Capacitance

SYM

Parameter

Limits

Unit

Conditions

MIN

TYP

MAX

LAN91C111 Datasheet(PDF) 100 Page - Microchip Technology

LAN91C111 Datasheet(HTML) 100 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL