tza1000 NXP Semiconductors, tza1000 Datasheet - Page 5

• Manufacturer Part Number: tza1000
• Description: Qic Read-write Amplifier
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
Notes
1. Pin type abbreviations: O = output, I = input,
2. Digital inputs: LOW: <0.3V
3. Use only for connecting current reference resistor.
See Chapter “Equivalent pin circuits” for the I/O
configuration of the analog pins.
1998 Mar 17
WX
V
WY
WD
V
INA
INB
ISENSE
V
SCLK
SDEN
SDIO
HOLD
WGATE
CLK
V
V
OUTB
OUTA
V
I
RESET
BIASB
BIASA
SYMBOL
ref
ref
SS1
DD1
DD3
SS2
DD2
QIC read-write amplifier
P = power supply.
PIN
10
12
13
14
15
16
17
18
19
20
21
22
23
24
11
1
2
3
4
5
6
7
8
9
write current to head
large signal ground
write current to head
write data
large signal +5 V
read signal from MR
read signal from MR
sense current for MR
+12 V for sense current
supply
serial interface clock
serial interface enable
serial interface data I/O
hold AGC; active LOW
write gate; active LOW
clock input
small signal ground
small signal +5 V
output to equalizer
output to equalizer
2 V reference output
current reference resistor
reset for microcontroller;
active LOW
bias current for yoke heads O
bias current for yoke heads O
DESCRIPTION
DD
; HIGH: >0.7V
DD
O
P
O
I
P
I
I
O
P
I
I
I/O
I
I
I
P
P
O
O
O
note 3
O
TYPE
(2)
(2)
(2)
(2)
(2)
(2)
.
(1)
5
handbook, halfpage
ISENSE
SDEN
V DD1
V DD3
SCLK
V SS1
SDIO
WX
WY
WD
INA
INB
Fig.2 Pin configuration.
10
11
12
1
2
3
4
5
6
7
8
9
TZA1000
MGG659
Preliminary specification
15
14
13
19
18
17
16
24
23
22
21
20
BIASA
BIASB
RESET
I ref
V ref
OUTA
OUTB
V DD2
V SS2
CLK
WGATE
HOLD
TZA1000