参数资料
型号: LTC6421IUDC-20#TRPBF
厂商: Linear Technology
文件页数: 6/16页
文件大小: 0K
描述: IC ADC DRIVER DIFF 20-QFN
标准包装: 2,500
类型: ADC 驱动器
应用: 数据采集
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x4)
包装: 带卷 (TR)
LTC6421-20
14
642120fb
UDC Package
20-Lead Plastic QFN (3mm × 4mm)
(Reference LTC DWG # 05-08-1742 Rev )
PACKAGE DESCRIPTION
3.00 ± 0.10
1.50 REF
4.00 ± 0.10
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ± 0.10
19
20
1
2
BOTTOM VIEW—EXPOSED PAD
2.50 REF
0.75 ± 0.05
R = 0.115
TYP
PIN 1 NOTCH
R = 0.20 OR 0.25
45° CHAMFER
0.25 ± 0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UDC20) QFN 1106 REV
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ±0.05
0.25 ±0.05
2.50 REF
3.10 ± 0.05
4.50 ± 0.05
1.50 REF
2.10 ± 0.05
3.50 ± 0.05
PACKAGE OUTLINE
R = 0.05 TYP
1.65 ± 0.10
2.65 ± 0.10
1.65 ± 0.05
2.65 ± 0.05
0.50 BSC
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