8339 Datasheet, PDF (1/1 Pages) STMicroelectronics – ±15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER

RJ-45/USB
Combo Jack with 100 Base-T
Magnetics and Dual USB Connector
8339
• UL94V-0 rated connector housing
• Meets OCL specifications of 350µH Min with 8mADC Bias
• Contact Plating: 6µ-inch gold flashed
• USB connectors: 3µ-inch gold flashed
• Compatible with a variety of 10/100 transceiver ICs
• Extended operating temperature: -40°C to +85°C
MECHANICAL AND SCHEMATIC (All dimensions in millimeters)
Left LED
20.00 Ref
18.65±0.25
Right LED
26.32±0.25
J1 _{31.2 Ref}
29.91±0.25
3.20
3.90±0.30
0.30
0.70
16.14
16.14
5.20
10.62
2.62
4x‚1. 60
13.14
7.00
2.00
1
1
2.50
P1
P7
P6
P10
2.52
8.20
14.35
16.79
8.27
8.20
10.62
14.35
16.79
Suggested PCB Layout
(component side view)
18xØ0.92
9.37
10.16
14.45
2.03
4xØ2.30
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.10
3.30±0.3
ELECTRICAL SPECIFICATION @ 25˚C
SCHEMATIC
TRANSMIT
P2
J1
P1
P3
J2
RECEIVE
P4
P6
P5
J3
J4
J5
J6
J7
J8
75 75
75
75
1000pF
2kV
SHIELD
P7
Yellow P8 (+)
P9
Green P9 (+)
Orange P10(+)
P8
P10
Part
Number
Turns
Ratio
(±3)
Insertion
Loss
(dB Max)
Return Loss
(dB Min)
Load 100Ω ± 15Ω
Common Mode
Rejection
(dB Min)
Differential to
Common Mode
Rejection
(dB Min)
Crosstalk
(dB Min)
Hi-pot
(Vrms)
P2-P3:J1-J2 &
P4-P5:J3-J6
1-100
MHz
1-30
MHz
30-60
MHz
60-80
MHz
0.1 - 100 MHz
0.1 - 100 MHz
1 30 50 100
MHz MHz MHz MHz
1mA,
1Sec
8339
1CT:1
-1.0
-18
18-20log
(f/30MHz)
-12
-30
-40
-70 -45 -40 -35 1500
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