TA8496FL Datasheet, PDF (1/14 Pages) Toshiba Semiconductor – Bipolar Linear Integrated Circuit Silicon Monolithic

Toshiba Bipolar Linear Integrated Circuit Silicon Monolithic
TA8496FL
Magnetic Head R/W IC
TA8496FL
This IC enables writing and detection of magnetic recording
signals.
Features
• Operating voltage range: VCC = 3.5 to 7 V
VBAT = 1.8 to 7 V
• Output current: Iout = 20 mA (max)
• Constant current operating function
: I_OC = (0.25 (V) × 160 (A))/R_WR (typ.)
Block Diagram
Weight: 0.05 g (typ.)
V_CC
HDFB HDOUT AIN2 T1 FCNT AOUT2 AIN3
9
19
18
17
16
12
15
14
CFIL 10
Filter
V_REF 24
V_CC − V_F − 0.3 V
COMIN 8
10 kΩ
100 kΩ
100 kΩ
100 Ω
40 dB
HEAD-AMP
10 kΩ
20 dB
20 dB
AMP2
ON/OFF 7
R/W 6
ENA 5
CLK 4
COM-AMP
Control circuit
H-SW control circuit
316 kΩ
30 dB
AMP3
13 AOUT3
21 AHDIN
20 ACOM
2 V_BAT
22 HDIN
23 COM
3
WRCNT
1
WRGND
11
RDGND
1
2003-10-07