ML4668CQ 데이터 시트보기 (PDF) - Micro Linear Corporation

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ML4668CQ

Low Power Single Chip 10BASE-FL Transceiver

Micro Linear Corporation 

ML4668

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

Power Supply Voltage Range

VCC ..................................................... GND –0.3 to 6V

Input Voltage Range

Digital Inputs (SQEN, LBDIS) ... GND –0.3 to VCC +0.3V

Tx+, Tx–, VIN+, VIN– ............... GND –0.3 to VCC +0.3V

Input Current

RRSET, RTSET, JAB, CLSN, XMT, RCV, LMON ...... 60mA

Output Current

TxOUT .............................................................. 120mA

Junction Temperature .............................................. 150°C

Storage Temperature Range ...................... –65°C to 150°C

Lead Temperature (Soldering) .................................. 260°C

Thermal Resistance (θJA) ....................................... 68°C/W

OPERATING CONDITIONS

Supply Voltage (VCC) ........................................... 5V ± 5%

LED on Current ....................................................... 10mA

RRSET .......................................................... 61.9kΩ ± 1%

RTSET ............................................................. 115Ω ± 1%

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, TA = Operating Temperature Range, VCC = VCCTx = 5V ± 5% (Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ICC

Power Supply Current ICC:

While Transmitting

VCC = 5V, RTSET = 115Ω (Note 2)

140

mA

VOL

LED Drivers: VOL

IOL = 10mA (Note 3)

0.8

V

IOUT

Transmit Peak Output Current

RTSET = 115Ω (Note 4)

44

52

57

mA

VSQ

Transmit Squelch Voltage Level

(Tx+, Tx–)

–300

–250

–200

mV

VDO

Differential Output Voltage

(Rx±, COL±)

±550

±1200

mV

VCM

Common Mode

Output Voltage (Rx±, COL±)

4.0

V

VDOO

Differential Output

Voltage Imbalance (Rx±, COL±)

±40

mV

VSQE

SQE/JABD

VLBTH LBDIS Threshold

SQE Test Disable

Both Disabled

Both Enabled

Disabled

Enabled

1.5

VCC – 0.5

VCC – 0.1

0.3

V

VCC – 2

V

V

V

1

V

VTXCM

VINCM

VREF

IREF

AV

Common Mode Voltage (Tx+, Tx–)

Common Mode Voltage

(VIN+, VIN–)

Reference Voltage

VREF Output Source Current

Amplifier Gain

3.5

V

1.65

V

2.30

2.45

2.60

V

5

mA

100

V/V

VISR

VTHADJ

VOFF

VN

RIN

ITH

VTH

H

Input Signal Range

External Voltage at VTHADJ

to Set VTH

Input Offset

Input Referred Noise

Input Resistance

Input Bias Current of VTHADJ

Input Threshold Voltage

Hysteresis

VDC = VREF (DC loop inactive)

50MHz BW

VIN+, VIN–

VTHADJ = VREF (Note 5)

2

1600

mVP–P

0.5

2.7

V

3

mV

25

µV

0.8

1.3

2.0

kΩ

–200

10

+200

µA

5

6

7

mVP–P

20

%

4

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