LT1794CFE Linear Technology, LT1794CFE Datasheet - Page 18

• Manufacturer Part Number: LT1794CFE
• Description: IC AMP XDSL LINE DRIVER 20TSSOP
• Manufacturer: Linear Technology
• Type: Line Driver, Transmitterr

Specifications of LT1794CFE

• Number Of Drivers/receivers: 2/0
• Protocol: xDSL
• Voltage - Supply: 18V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1794
U
PACKAGE DESCRIPTIO
Dimensions in inches (millimeters) unless otherwise noted.
FE Package
20-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
Exposed Pad Variation CA
6.40 – 6.60*
4.95
(.252 – .260)
(.195)
4.95
(.195)
20 1918 17 16 15
14 13
12
11
6.60 0.10
2.74
(.108)
4.50 0.10
2.74
6.40
SEE NOTE 4
(.108)
BSC
0.45 0.05
1.05 0.10
0.65 BSC
3 4 5 6 7 8 9 10
1
2
RECOMMENDED SOLDER PAD LAYOUT
1.20
4.30 – 4.50*
(.047)
(.169 – .177)
MAX
0 – 8
0.65
0.45 – 0.75
(.0256)
0.09 – 0.20
0.05 – 0.15
(.018 – .030)
BSC
(.0036 – .0079)
(.002 – .006)
0.195 – 0.30
FE20 (CA) TSSOP 0203
(.0077 – .0118)
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
MILLIMETERS
2. DIMENSIONS ARE IN
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
3. DRAWING NOT TO SCALE
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