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TDA5153

Pre-amplifier for Hard Disk Drive (HDD) with MR-read/inductive write heads

Philips Electronics 

Philips Semiconductors

Pre-amplifier for Hard Disk Drive (HDD)

with MR-read/inductive write heads

Preliminary specification

TDA5153

5 QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

VCC

VCC(WD)

F

Vnir

Gv(dif)

supply voltage

write drivers supply voltage

noise figure

input referred noise voltage; see

note 3 in Chapter 13

differential voltage gain

RMR = 28 Ω; IMR = 10 mA;

Tamb = 25 °C; f = 20 MHz

RMR = 28 Ω; IMR = 10 mA;

Tamb = 25 °C; f = 20 MHz

from head inputs to RDx, RDy;

RMR = 28 Ω; IMR = 10 mA

d4 = logic 0

d4 = logic 1

B−3 db

−3 dB frequency bandwidth

upper bandwidth without gain

boost (4 nH lead inductance)

CMRR

PSRR

tr, tf

common mode rejection ratio;

RMR mismatch <5%

power supply rejection ratio

(input referred);

RMR mismatch <5%

rise/fall times (10% to 90%)

IMR = 10 mA; f < 1 MHz

IMR = 10 mA; f < 100 MHz

f < 1 MHz

f < 100 MHz

Lh = 150 nH; IWR = 35 mA;

f = 20 MHz

IMR(PR)

programming MR bias current

IWR(PR)(b-p) programming write current

range (base-to-peak)

VCC(WD) = 8.0 V

VCC(WD) = 6.5 V

Rext = 10 kΩ

Rext = 10 kΩ

fSCLK

serial interface clock rate

MIN.

4.5

VCC

−

TYP.

5.0

8.0

3.0

MAX.

5.5

8.8

3.2

UNIT

V

V

dB

−

0.9

1.0

nV/√Hz

−

160 −

−

226 −

−

220 −

MHz

−

45

−

dB

−

25

−

dB

−

80

−

dB

−

50

−

dB

−

−

−

−

5

−

20

−

−

−

1.8

ns

2.1

ns

20.5 mA

51

mA

25

MHz

1997 Jul 02

4

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