TDA5149G Philips Semiconductors, TDA5149G Datasheet - Page 18

• Manufacturer Part Number: TDA5149G
• Description: 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 May 06
SISENS:
V
G
f
S
V
V
I
SICOMP:
V
V
SR
f
S
V
I
I
A
R
R
S
V
V
I
I
Voice coil motor driver
VCM
I
V
f
G
G
UG
i
UG
sink(d)
sink(s)
source
sink
i
UG
SYMBOL
V
o
PINDLE CURRENT LOOP FILTER AMPLIFIER
iCM
i(os)
OL
OH
PINDLE
dc
NALOG SWITCHES
AWTOOTH OSCILLATOR
SUL
SLL
i(os)
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
Son
Soff
S
RSon
RSoff
o
PREAMPLIFIERS
PWM
PIN
PIN
15
output voltage shift
output voltage level
spindle sense amplifier gain
unity gain bandwidth
common mode input voltage
input offset voltage
input current
LOW level output voltage
HIGH level output voltage
slew rate
unity gain bandwidth
discharge clamp voltage
sink current
sink current
switch-on resistance
switch-off resistance
voltage swing upper limit
voltage swing lower limit
source current
sink current
input current
input offset voltage
unity gain bandwidth
gain switch-on resistance
gain switch-off resistance
20
COMPARATORS
:
PIN
:
PINS
PARAMETER
:
21 (RPOS)
PIN
41
24 (STOSC)
:
AND
PINS
40 (V
22
AND
CMIN1
:
PINS
23 (CSS1
AND
I
I
I
for normal CSS1 and
CSS2 discharge;
R
for CSS1 and CSS2
short
static test
note 8
note 9
VGAINSEL = 1
VGAINSEL = 0
18
OL
OH
CSS1,2
Iref
= 1 mA
AND
= 0.6 mA
V
= 120 k
CONDITIONS
CMIN2
AND
= 0.5 mA
19 (SINTIN
)
CSS2)
18
AND
ISPIN)
1.38
1.37
4.85
1
1.3
3.5
0.5
1
20.2
1
150
10
2.9
0.53
500
10
3.0
1
44.4
10
6
MIN.
1.43
5.0
0.9
21.0
250
3.0
0.55
800
3
TYP.
42.8
1.48
V
5.15
3.2
+3.0
0
0.5
1.5
0.45
21.8
400
3.1
0.57
1100
+10
+6
60
41.2
Product specification
DD
TDA5149G
MAX.
1.2
V
V
V/V
MHz
V
mV
V
V
V/ s
MHz
V
mA
M
V
V
mV
MHz
M
UNIT
A
A
A
A
A