TDA5147K Datasheet, PDF (19/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
Product specification
TDA5147K
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Current sense amplifier; pins 38, 40, 41, 43 and 44 (V_ref(i), V_ISENH, V_ISENS2, V_ISENL and V_ISENS1)
I_{40, 43}
input current at pins 40 and 43 overvoltage range of
−200
415
540
0 to 12 V
I_sink1
output sink current 1 (pin 44) force V₄₀ − V₄₃ to equal +400
−
−
−250 mV; allow output
drop of 100 mV between
no load and full load
I_source1 output source current 1 (pin 43) force V₄₀ − V₄₃ to equal −
−
−400
−250 mV; allow output
drop of 100 mV between
no load and full load
V_{40, 43}
operating voltage range
gain and offset valid
0
−
12
(pins 40 and 43)
G1
amplifier gain for
under all conditions
3.8
4.0
4.2
V₄₄ − V₃₇/V₄₀ − V₄₃
V_os1
output offset voltage
V₄₀ − V₄₃ = 0 V at 0.5V_CC −15
−
+15
B_G1
unity gain bandwidth
−
10
−
PSRR power supply rejection ratio
f_i < 20 kHz
−
60
−
V_{40, 43}
operating voltage range
gain and offset valid
0
−
12
(pins 40 and 43)
I_sink2
output sink current 2 (pin 41) force V₄₀ − V₄₃ to equal +400
−
−
−250 mV; allow output
drop of 100 mV between
no load and full load
I_source2 output source current 2 (pin 43) force V₄₀ − V₄₃ to equal −
−
−400
−250 mV; allow output
drop of 100 mV between
no load and full load
G2
V_os2
B_G2
V_ref(i)
I_ref(i)
amplifier gain for
V₄₁ − V₃₈/V₄₀ − V₄₃
output offset voltage
unity gain bandwidth
input voltage level (pin 38)
input current range (pin 38)
under all conditions
3.8
V₄₀ − V₄₃ = 0 V at 0.5V_CC −23
−
−
V_i = 0 to 4.5 V
−
4.0
4.2
−
+23
10
−
−
4.5
0.06
1
VCM output drivers; pins 33, 36 and 42 (V_CMINP, V_CMN and V_CMP)
R_tot
total output resistance
T_amb = 25 °C
−
(source + sink + isolation)
T_j = 125 °C
−
I_LO
output leakage current
T_j = 125 °C
−
B_G
unity gain bandwidth
from pin 33 to pins
−
36 and 42
1.0
1.25
1.5
1.9
−
1
2
−
t_cro
crossover distortion time
ramp input pin 33 = 20 µs −
2
5
UNIT
µA
µA
µA
V
V/V
mV
MHz
dB
V
µA
µA
V/V
mV
MHz
V
µA
Ω
Ω
mA
MHz
µs
1996 Jul 26
19