AD1981A Analog Devices, AD1981A Datasheet - Page 23

• Manufacturer Part Number: AD1981A
• Description: AD1981A AC'97 Soundmax Codec
• Manufacturer: Analog Devices

CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
COMPLIANT TO JEDEC STANDARDS MS-026-BBC
GAGE PLANE
0.25 (0.0098)
0.75 (0.0295)
0.60 (0.0236)
0.45 (0.0177)
VIEW A
PIN 1 INDICATOR
SEATING
PLANE
Dimensions shown in millimeters and (inches)
48-Lead Thin Plastic Quad (LQFP)
1.45 (0.0571)
1.40 (0.0551)
1.35 (0.0531)
1.60 (0.0630)
0.15 (0.0059)
0.05 (0.0020)
OUTLINE DIMENSIONS
MAX
ROTATED 90 CCW
(ST-48)
37
48
0.50 (0.0197)
VIEW A
36
1
0.08 (0.0031) MAX
BSC
COPLANARITY
(PINS DOWN)
9.00 (0.3543)
TOP VIEW
BSC SQ
0.27 (0.0106)
0.22 (0.0087)
0.17 (0.0067)
0.20 (0.0079)
0.09 (0.0035)
3.5
7
0
25
12
13
24
(0.2756)
BSC
7.00
SQ
AD1981A