tza1000 NXP Semiconductors, tza1000 Datasheet - Page 14

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

Philips Semiconductors
CHARACTERISTICS
V
1998 Mar 17
V
V
V
I
I
I
V
I
V
I
Read section
G
G
G
f
f
f
V
DD1
DD1
DD2
DD3
20
ref
coupling
G
DD1
DD2
DD3
ref
21
3dB(cutoff)(HPF)
3dB(cutoff)(LPF)
n(i)(eq)(preamp)
QIC read-write amplifier
v(pa)
v(agc)
v(yoke)
v(agc)
SYMBOL
= V
DD2
= 5 V 5%; V
read circuit supply voltage
FB and write circuit supply
voltage
sense current circuit supply
voltage
read circuit supply current
FB and write circuit supply
current
sense current circuit supply
current
reference voltage
current on pin 20 (V
voltage at pin 21 (I
reference current (pin 21)
preamplifier voltage gain
AGC amplifier voltage gain
AGC voltage gain control
range
yoke amplifier voltage gain
HPF 3 dB cut-off frequency
LPF 3 dB cut-off frequency
equivalent input noise voltage:
preamplifier
3 dB AC coupling frequency
Rd
Wr
Rd
Wr
source
sink
DD3
PARAMETER
= 12 V 5%; T
ref
ref
)
)
amb
= 25 C 5%; unless otherwise specified.
I
I
max gain
I
pin 20; I
PG1 = 1; PG0 = 1
PG1 = 0; PG0 = 1
PG1 = 1; PG0 = 0
G6DB = 1; G = 15;
note 1
note 2
input to output
FC1 = FC1 = 0
FC1 = 0; FC1 = 1
FC1 = 1; FC1 = 0
FC1 =FC1 = 1
FC1 = FC1 = 0
FC1 = 0; FC1 = 1
FC1 = 1; FC1 = 0
FC1 =FC1 = 1
Z
bias
write
sense
source
= 10 to +10 mA
CONDITIONS
= 30 mA
= 16 mA
14
= 0
O
= 0 to 3 mA
4.5
4.5
10.8
15.0
1.9
1.2
1
37
32
3
23
19
2
MIN.
5.0
5.0
12.0
31
70
38
36
16.2
2.0
1.3
3
38.6
32.7
4.1
24.4
22
21
5
1.0
2.0
4.7
10
1.1
2
4.3
11
0.65
TYP.
Preliminary specification
5.5
5.5
13.2
19.0
2.1
3.0
50
1.4
5
41
34
6
26
23
10
0.8
MAX.
TZA1000
V
V
V
mA
mA
mA
mA
mA
V
mA
V
mA
dB
dB
dB
dB
dB
dB
kHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
nV/ Hz
UNIT
A