TDA5149G Datasheet, PDF (18/28 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip

Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
Product specification
TDA5149G
SYMBOL
PARAMETER
CONDITIONS
MIN.
SISENS: PIN 15
∆V_o
output voltage shift
1.38
V_o
output voltage level
1.37
G_S
spindle sense amplifier gain
4.85
f_UG
unity gain bandwidth
1
SPINDLE CURRENT LOOP FILTER AMPLIFIER: PINS 18 AND 19 (SINTIN AND ISPIN)
V_iCM
V_i(os)
I_i
common mode input voltage
input offset voltage
input current
1.3
−3.0
−1
SICOMP: PIN 20
V_OL
LOW level output voltage
I_OL = 1 mA
−
V_OH
HIGH level output voltage
I_OH = −0.6 mA
3.5
SR
slew rate
0.5
f_UG
unity gain bandwidth
1
SPINDLE PWM COMPARATORS: PINS 22 AND 23 (CSS1 AND CSS2)
V_dc
I_sink(d)
I_sink(s)
discharge clamp voltage
sink current
sink current
I_CSS1,2 = 0.5 mA
for normal CSS1 and
CSS2 discharge;
R_Iref = 120 kΩ
for CSS1 and CSS2
short
−
20.2
1
ANALOG SWITCHES: PIN 21 (RPOS)
R_Son
R_Soff
switch-on resistance
switch-off resistance
SAWTOOTH OSCILLATOR: PIN 24 (STOSC)
V_SUL
V_SLL
I_source
I_sink
voltage swing upper limit
voltage swing lower limit
source current
sink current
Voice coil motor driver
static test
note 8
note 9
150
10
2.9
0.53
−44.4
500
VCM PREAMPLIFIERS: PINS 41 AND 40 (V_CMIN1 AND V_CMIN2)
I_i
input current
−10
V_i(os)
input offset voltage
−6
f_UG
unity gain bandwidth
−
G_RSon
gain switch-on resistance
VGAINSEL = 1
−
G_RSoff
gain switch-off resistance
VGAINSEL = 0
10
TYP.
MAX.
UNIT
1.43 1.48
V
−
V_DD − 1.2 V
5.0 5.15
V/V
−
−
MHz
−
3.2
V
−
+3.0
mV
−
0
µA
−
0.5
−
−
0.9 1.5
−
−
V
V
V/µs
MHz
−
0.45
V
21.0 21.8
µA
−
−
mA
250 400
Ω
−
−
MΩ
3.0 3.1
V
0.55 0.57
V
−42.8 −41.2
µA
800 1100
µA
−
+10
−
+6
3
−
−
60
−
−
µA
mV
MHz
Ω
MΩ
1996 May 06
18