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ML4668 Datasheet(PDF) 4 Page - Micro Linear Corporation

Part No. ML4668
Description  Low Power Single Chip 10BASE-FL Transceiver
Download  14 Pages
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Maker  MICRO-LINEAR [Micro Linear Corporation]
Homepage  http://www.microlinear.com
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ML4668 Datasheet(HTML) 4 Page - Micro Linear Corporation

 
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4
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 .......................................................... 61.9k
Ω ± 1%
RTSET ............................................................. 115
Ω ± 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 = 115
Ω (Note 4)
44
52
57
mA
VSQ
Transmit Squelch Voltage Level
–300
–250
–200
mV
(Tx+, Tx–)
VDO
Differential Output Voltage
±550
±1200
mV
(Rx
±, COL±)
VCM
Common Mode
Output Voltage (Rx
±, COL±)
4.0
V
VDOO
Differential Output
Voltage Imbalance (Rx
±, COL±)
±40
mV
VSQE
SQE/JABD
SQE Test Disable
0.3
V
Both Disabled
1.5
VCC – 2
V
Both Enabled
VCC – 0.5
V
VLBTH
LBDIS Threshold
Disabled
VCC – 0.1
V
Enabled
1
V
VTXCM
Common Mode Voltage (Tx+, Tx–)
3.5
V
VINCM
Common Mode Voltage
1.65
V
(VIN+, VIN–)
VREF
Reference Voltage
2.30
2.45
2.60
V
IREF
VREF Output Source Current
5mA
AV
Amplifier Gain
100
V/V
VISR
Input Signal Range
2
1600
mVP–P
VTHADJ
External Voltage at VTHADJ
0.5
2.7
V
to Set VTH
VOFF
Input Offset
VDC = VREF (DC loop inactive)
3
mV
VN
Input Referred Noise
50MHz BW
25
µV
RIN
Input Resistance
VIN+, VIN
0.8
1.3
2.0
k
ITH
Input Bias Current of VTHADJ
–200
10
+200
µA
VTH
Input Threshold Voltage
VTHADJ = VREF (Note 5)
5
6
7
mVP–P
H
Hysteresis
20
%


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