lm4908mm National Semiconductor Corporation, lm4908mm Datasheet - Page 18

• Manufacturer Part Number: lm4908mm
• Description: 10kv Esd Rated, Dual 120 Mw Headphone Amplifier
• Manufacturer: National Semiconductor Corporation

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LM4908 MDC MWC
Dual 120MW Headphone Amplifier
SIGNAL NAME
INPUT B+
INPUT B-
OUTPUT B
VDD
OUTPUT A
INPUT A-
INPUT A+
GND
Physical Die Identification
Die Step
Wafer Diameter
Dise Size (Drawn)
Thickness
Min Pitch
Special Assembly Requirements:
Note: Actual die size is rounded to the nearest micron.
PAD# NUMBER
(Referenced to die center, coordinates in µm) NC = No Connection, N.U. = Not Used
Fabrication Attributes
Physical Attributes
1
2
3
4
5
6
7
8
Die Bond Pad Coordinate Locations (A - Step)
DIE/WAFER CHARACTERISTICS
-367
-367
-367
367
367
367
X/Y COORDINATES
35
68
X
LM4908A
A
150mm
889µm x 622µm
35.0mils x 24.5mils
216µm Nominal
216µm Nominal
Die Layout (A - Step)
18
-232
-232
-232
232
232
232
15
15
Y
Bond Pad Opening Size (min)
Bond Pad Metalization
Passivation
Back Side Metal
Back Side Connection
20075263
155
155
70
70
70
70
70
70
X
General Die Information
PAD SIZE
x
x
x
x
x
x
x
x
70µm x 70µm
ALUMINUM
NITRIDE
BARE BACK
Floating
70
70
70
70
70
70
70
70
Y