參數(shù)資料
型號(hào)： TDA5147K
廠商： NXP SEMICONDUCTORS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
中文描述： VOICE COIL MOTOR CONTROLLER, PQCC52
文件頁(yè)數(shù)： 18/32頁(yè)
文件大小： 154K
代理商： TDA5147K
1996 Jul 26
18
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147K
VOICE COIL MOTOR DRIVER CHARACTERISTICS
V
CCA1
= 5 V; V
CCS
= V
CCA2
= V
CCV
= 12 V; T
amb
= 0 to 70
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Retract control voltage; pin 22 (RET
ADJ
)
I
RET
retract voltage load current
V
29
= 9 V; power supplies
off
retract capacitor = 2.2
μ
F
3.0
μ
A
t
h;RET
retract voltage hold time (power
down)
retract voltage regulation
5
s
V
RET
nominal power supply at
T
amb
= 25
°
C
power supply off;
V
24
= 9 to 2 V; V
29
= 7.5 V
1.0
V
1.0
V
VCM current control PWM DAC; pins 46 to 48 (V
IPWML
, V
IPWMH
and V
FLTINP
)
I
47, 46
V
FL(p)
input current at pins 47 and 46
positive full scale DAC output
voltage at pin 48 relative to
pin 37
negative full scale DAC output
voltage at pin 48 relative to
pin 37
current ratio between MSB and
LSB
output impedance from pin 48
to pin 37
voltage range 0 to 5 V
100% duty factor
200
+1.0
+200
μ
A
V
F
LI(n)
0% duty factor
1.0
V
31.5
32
32.5
Z
o
1.40
2.0
2.6
k
VCM PWM filter; pins 48 and 49 (V
FLTINP
and V
FLTOUT
)
I
o
Φ
output current on pin 49
maximum phase shift from
pin 48 to pin 49
filter cut-off frequency from
pin 48 to pin 49
filter attenuation at 1 MHz
measured from pin 48 to pin 49
output voltage range measured
at pin 49
V
49
=
V
o
+ 10 mV
measured at 500 Hz;
C
filter
= 1.8 nF
500
2
μ
A
deg
f
co
40
kHz
α
filter
70
dB
V
49
pins 46 and 47 at 0% duty
factor
pins 46 and 47 at 50%
duty factor
pins 46 and 47 at 100%
duty factor
V
37
2.06
V
37
1.98
V
37
1.90
V
0.065
V
37
0.065
V
V
37
+ 1.90
V
37
+ 1.98 V
37
+ 2.06
V
Reference voltage; pin 37 (V
ref(o)
)
V
ref(o)
output reference voltage
I
o
= 4 mA; C
L
= 10 nF
3.8
4.0
4.2
V
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