KA3014 Datasheet, PDF (11/26 Pages) Fairchild Semiconductor – Spindle + 4-CH Motor Driver

KA3014
Electrical Charateristics (Continued)
(BTL DRIVE PART, Ta=25°C, VCC1=12V, VMBTL=12V, RL=24Ω)
Parameter
Symbol
Condition
BTL DRIVE PART (Ta=25°C, VCC1=12V, VMBTL=12V, RL=24Ω)
Quiescent circuit current
ICC
–
Output offset voltage
VOO
–
Maximum output
VOM
–
Amplitude voltage
Voltage gain
GVC VIN=0.1VRMS, 1kHz
Ripple rejection ratio
RR
VIN=0.1VRMS, 120kHz
Slew rate
SR
120Hz, 2Vpp
Mute off voltage
VMOFF
–
Mute on voltage
VMON
–
VARIABLE-REGULATOR
Regulator output range
∆VREG IL=100mA
Load regulation
∆VR1 IL=0 → 200mA
Line regulation
∆VCC IL=200mA, VCC=6V→ 9V
Regulator output voltage 1
VREG1 IL=100mA
Regulator output voltage 2
VREG2 IL=100mA
Calculation of Gain & Torque Limit Current
Min. Typ. Max. Units
–
9
12
mA
−30
–
30
mV
9.5
10.5
–
V
10.5 12.0 13.5
dB
–
60
–
dB
–
1.0
–
V/µs
–
–
0.5
V
2.5
–
–
V
2.0
–
5.25
V
−40
0
10
mV
−20
0
30
mV
4.75
5.0
5.25
V
3.135 3.3 3.465
V
EC
ECR
+
Gm
−
VM
Current / Voltage
Convertor
−
Vin
+
Absolute
Values
Negative
Feedback loop
R1
−
+ Driver
+
+
Vmax
−
VM
Max. output current limiting
VM
IO
RS
−
VS
Output
Current sense
+
CS1 (Pin 9)
Power
Transistors
U ^IO
V
W
Commutation
Distributor
H1 H2 H3
0.255 is GM times R1 and it is a fixed value within IC.
Gain = ⁰----^.--²---⁵---⁵--
R_S
Vmax (see above block diagram) is set to 350mV.
Itl[mA] = ^V-----^m-----^a----^x- = -³---⁵---⁰----^[--^m------^V----^]
R_S
R_S
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