參數資料
型號: LTC2257IUJ-12#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
封裝: 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件頁數: 25/32頁
文件大?。?/td> 1156K
代理商: LTC2257IUJ-12#TRPBF
LTC2258-12
LTC2257-12/LTC2256-12
31
225812fa
PACKAGE DESCRIPTION
UJ Package
40-Lead Plastic QFN (6mm
× 6mm)
(Reference LTC DWG # 05-08-1728 Rev )
6.00 ± 0.10
(4 SIDES)
NOTE:
1. DRAWING IS A JEDEC PACKAGE OUTLINE VARIATION OF (WJJD-2)
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 0.20mm ON ANY SIDE, IF PRESENT
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
(SEE NOTE 6)
PIN 1 NOTCH
R = 0.45 OR
0.35
45°
CHAMFER
0.40 ± 0.10
40
39
1
2
BOTTOM VIEW—EXPOSED PAD
4.50 REF
(4-SIDES)
4.42 ±0.10
4.42 ±0.05
0.75 ± 0.05
R = 0.115
TYP
0.25 ± 0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UJ40) QFN REV 0406
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ±0.05
4.50 ±0.05
(4 SIDES)
5.10 ±0.05
6.50 ±0.05
0.25 ±0.05
0.50 BSC
PACKAGE OUTLINE
R = 0.10
TYP
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However,noresponsibilityisassumedforitsuse.LinearTechnologyCorporationmakesnorepresenta-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
相關PDF資料
PDF描述
LTC2257CUJ-14#TRPBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2257IUJ-14#TRPBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2256CUJ-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2256CUJ-14#TRPBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2258CUJ-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
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