cxa1940n Sony Electronics, cxa1940n Datasheet - Page 8

• Manufacturer Part Number: cxa1940n
• Description: 4ch. Read/write Amplifier For Thin Film Head Of Hard Disk Drive
• Manufacturer: Sony Electronics

Test Circuit 1
Test Circuit 2
Note) Write current is measured with current probe. Use an oscilloscope to test items related to time.
V
V5
LPF
to 15MHz
a b
20
PG
20
A
1
1
S12
a b
I8
5V
a b
a b
V
19
PG
19
2
2
A
V4
S11
I7
1
c d
100
1µH
S1
a b
AMP
0.1µ
AMP
1
AMP
18
18
3
A
3
8.2k
8.2k
e
I1
b
a b
S5
SG1
33
17
17
4
4
1k
a
1µ
V
1k
S10
1µ
1µH
a b c d
S2
V3
a b
b
16
16
5
5
1k
—8—
a
V
1µ
1k
1µ
V2
a
a b
0.1µ
15
15
6
6
A
b
S9
0.1µ
SG3
I6
1µH
e
S3
a b
a b
PG
14
14
7
7
A
I5
S8
V
5V
SG2
b
a b
CC
13
13
8
8
a
500kHz
A
S7
S4
1µH
a
5V
5V
0V
V
5V
I4
a b
CC
5V
0V
b c
PG
12
12
A
9
9
S6
I3
PG
PG1
11
10
11
10
A
5.1k
I2
5.1k
Fig. 2
1µ
1µ
Fig. 1
V
V1
CXA1940N