TDA5155 datasheet(4/24 Pages) PHILIPS

4 / 24 page

1997 Apr 08

Philips Semiconductors

Preliminary speciﬁcation

Pre-ampliﬁer for Hard Disk Drive (HDD)

with MR-read/inductive write heads

TDA5155

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

supply voltage

4.5

5.0

5.5

VCC(WD)

supply voltage for write drivers

VCC

8.0

8.8

Gv(dif)

differential voltage gain

from head inputs to RDx, RDy;

RMR =28 Ω; IMR =10mA

data bit d4 = 0

−

160

−

data bit d4 = 1

−

226

−

B−3dB

−3 dB frequency bandwidth

upper bandwidth without gain

boost (4 nH lead inductance)

−

220

−

MHz

noise ﬁgure

RMR =28 Ω; IMR =10mA;

Tamb =25 °C; f = 20 MHz

−

3.0

3.2

Virn

input referred noise voltage

RMR =28 Ω; IMR =10mA;

Tamb =25 °C; f = 20 MHz

−

0.9

1.0

nV/

√Hz

CMRR

common mode rejection ratio

RMR mismatch <5%

IMR =10mA

f < 1 MHz

−

f < 100 MHz

−

PSRR

power supply rejection ratio

(input referred) RMR mismatch <5%

IMR =10mA

f < 1 MHz

−

f < 100 MHz

−

tr, tf

write current rise/fall time

(10% to 90%)

Lh = 150 nH; Rh =10 Ω;

IWR = 35 mA; f = 20 MHz

VCC(WD) = 8.0 V

−−

1.8

VCC(WD) = 6.5 V

−−

2.1

IMR(PR)

programming MR bias current

range

Rext =10kΩ

−

20.5

IWR(b-p)

programming write current range

(base-to-peak)

Rext =10kΩ

−

fSCLK

serial interface clock rate

−−

MHz

TDA5155 Datasheet(PDF) 4 Page - NXP Semiconductors

TDA5155 Datasheet(HTML) 4 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Datasheet Download

Link URL