cxa3239tn Sony Electronics, cxa3239tn Datasheet - Page 18

• Manufacturer Part Number: cxa3239tn
• Description: 6/4-channel Read/write Amplifier For Gmr-ind Head Hard Disk Drive
• Manufacturer: Sony Electronics

Write current
(*1) Actual head current is defined by the following equation:
(*2) Short X-Y terminal on un-used head
IW3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Ihead=Iw/ (I+Rh/Rd)
Rh : Head Resistance
Rd : Damping Resistance
IW2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
IW1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
—18—
IW0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Write current
(mA 0-P)
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
CXA3238TN/CXA3239TN