AD9957 Analog Devices, AD9957 Datasheet - Page 38

• Manufacturer Part Number: AD9957
• Description: 1 GSPS Quadrature Digital Upconverter
• Manufacturer: Analog Devices

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DataSheet
AD9957
OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD9957BSVZ
AD9957BSVZ-
REEL13
AD9957/PCBZ
1.05
1.00
0.95
0.15
0.05
4
ROTATED 90° CCW
U
.com
VIEW A
SEATING
PLANE
NOTES
1. CENTER FIGURES ARE TYPICAL UNLESS OTHERWISE NOTED.
2. THE AD9957 HAS A CONDUCTIVE HEAT SLUG TO HELP DISSIPATE HEAT AND ENSURE RELIABLE OPERATION OF
DEVICE WHICH MAY BE BENEFICIAL IN HIGH TEMPERATURE ENVIRONMENTS.
THE DEVICE OVER THE FULL INDUSTRIAL TEMPERATURE RANGE. THE SLUG IS EXPOSED ON THE BOTTOM OF
THE PACKAGE AND ELECTRICALLY CONNECTED TO V
TRACES OR VIAS BE LOCATED UNDER THE PACKAGE THAT COULD COME IN CONTACT WITH THE CONDUCTIVE
SLUG. ATTACHING THE SLUG TO A V
0° MIN
Temperature
Range
–40°C to +105°C
–40°C to +105°C
0.08 MAX
COPLANARITY
0.20
0.09
3.5°
7°
0°
0.75
0.60
0.45
MAX
1.20
COMPLIANT TO JEDEC STANDARDS MS-026-AED-HD
VIEW A
25
1
Package Description
48-Lead Thin Plastic Quad Flat Package, Exposed Pad (TQFP_EP)
48-Lead Thin Plastic Quad Flat Package, Exposed Pad (TQFP_EP), 1000
Device, 13-Inch Reel
Evaluation Board
100
26
16.00 BSC SQ
EE
PIN 1
PLANE WILL REDUCE THE JUNCTION TEMPERATURE OF THE
(PINS DOWN)
TOP VIEW
Rev. PrF | Page 38 of 38
14.00 BSC SQ
EE
. IT IS RECOMMENDED THAT NO PCB SIGNAL
50
76
75
51
51
75
76
50
PRELIMINARY TECHNICAL DATA
LEAD PITCH
0.50 BSC
BOTTOM VIEW
EXPOSED
(PINS UP)
PAD
0.27
0.22
0.17
100
26
1
25
5.00 SQ
Package
Outline