TDA5149 Просмотр технического описания (PDF) - Philips Electronics
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TDA5149
Philips Electronics
TDA5149 Datasheet PDF : 28 Pages
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Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
Product specification
TDA5149G
SYMBOL
PARAMETER
CONDITIONS
MIN.
Power-on/power-off reset
UNDER THRESHOLD COMPARATORS: PINS 29 AND 28 (POR12ADJ AND POR5ADJ)
VPORTH5
5 V threshold voltage for
power-on/power-off detection
4.30
VDDDhys
hysteresis on VDDD
30
comparator
VPORTH12
12 V threshold voltage for
power-on/power-off detection
10.25
VDDhys
RPOR5low
∆RPOR5low
RRup/Rlo
RPOR12low
∆RPOR12low
hysteresis on VDD comparator
POR5ADJ lower resistance
POR5ADJ lower resistance
temperature variation
POR5ADJ resistance ratio
POR12ADJ lower resistance
POR12ADJ lower resistance
temperature variation
Tj = 25 °C
over full temperature
range
Tj = 25 °C
60
25 340
−
0.715
10 560
−
RRup/Rlo
POR12ADJ resistance ratio
over full temperature
range
3.07
POWER-ON/POWER-OFF DELAY GENERATOR: PIN 26 (PORDELAY)
Isource
VHT
source current
RESET output threshold
voltage
note 11
VLT
LOW threshold voltage
RESETP: PIN 34
−2.4
2.51
−
VOL
LOW level output voltage
IOL = 3 mA
−
Rpu
pull up resistor
over full temperature 6
range
RESETA: PIN 35
VOH
HIGH level output voltage
IOH = −1.5 mA
VOL
LOW level output voltage
IOL = 3 mA
VDDD − 0.7
Digital control
CLOCK: PIN 58
fclk
clock frequency
δ
duty factor
FG: PIN 57
VOH
HIGH level output voltage
VOL
LOW level output voltage
IOH = −0.15 mA
IOL = 0.10 mA
−
40
VDDD − 0.7
−
TYP.
MAX.
4.37 4.50
55
80
10.4 10.75
95
130
28800 32260
66
−
0.725 0.735
12000 13440
27
−
3.11 3.15
−2.2 −1.8
2.57 2.63
−
0.4
−
0.4
10
14
−
−
−
0.4
−
12
50
60
−
−
−
0.4
UNIT
V
mV
V
mV
Ω
Ω/°C
−
Ω
Ω/°C
−
µA
V
V
V
kΩ
V
V
MHz
%
V
V
1996 May 06
21
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