cxa3090n Sony Electronics, cxa3090n Datasheet - Page 8

• Manufacturer Part Number: cxa3090n
• Description: 6ch. Read/write Amplifier For Thin Film Head Of Hard Disk Drive
• Manufacturer: Sony Electronics

Unless otherwise specified, V
inductance) =1 µH, R
Read amplifier output 100 mVp-p 10 MHz
15-1
15-2
16-1
16-2
No.
14
17
18
19
Head differential
voltage amplitude
Mode switching time
Read to Write
Mode switching time
Write to Read
Mode switching time
safe to unsafe
Mode switching time
unsafe to safe
Head switching time
Write current
propagation delay
time
Write current
rise/fall time
Item
H
(Head DC resistance value) =30
CC
Symbol
T
T
T
T
T
V
T
T
=5 V, Ta=25 °C, f
R
T
WR1
WR2
SA1
SA2
RW
SW
PD
/T
H
F
Differential voltage between HX pin and HY pin
at switching of Write current (open Head)
T
to 90 % after Pin 23 changes from “High” to
“Low”.
T
output to turn to 90 % after Pin 23 changes
from “Low” to “High”.
T
decreases to 10 % after Pin 23 changes from
“Low” to “High”.
T
“High” after the last transition of Write data
when Write data is stopped in Write mode.
T
after the first transition of Write data in Write
mode.
T
output to reach 90 % when the selected head
switched in Read mode.
T
reach 90 % after the Write data falling edge.
L
T
90 % from 10 %; T
H
RW
WR1
WR2
SA1
SA2
H
PD
R
=0 µH, R
is the time required for the Read amplifier
is the time required for Write current to reach
is the time required for Write current to
is the time required for Write current to turn
is the time required for Pin 14 to turn
is the time required for Pin 14 to turn “Low”
is the time required for the Read amplifier
is the time required for Write current to
WD
Measurement conditions
H
=0
(Write data frequency) =5 MHz, I
—8—
F
is the same time required
W
=15 mA, L
Refer to Fig. 2 to Fig. 4
Min. Typ. Max. Unit
5.8
1.5
6.8
0.2
0.3
0.2
3
2
1
H
(Head
0.4
0.5
0.4
0.6
0.6
5
7
3
CXA3090N
Vp-p
µs
µs
µs
µs
µs
µs
ns
ns