SI9961A Datasheet, PDF (8/9 Pages) Vishay Siliconix – 12-V Voice Coil Motor Driver

Si9961A
Vishay Siliconix
6.2 kW
RL
0.016 mF
CL
R_IN
V_IN
10 k
A2
−
+
V_R
R
V_R
A4
−
+
Gain
+
V_S
V_IN
V_S
R5
10 kW
R
V_R
A3 _−
+
(4 x Gain)
A5
−
+
V_R
8R
Cross-Over
Protection
Cross-Over
Protection
7R
V_DD
V_DD
R_SA
0.5 W
FIGURE 3. Transconductance Amplifier
I_OUT
VCM
1.5 mH
15 W
R_SB
0.5 W
−5
−8
−11
−14
−17
−20
1
R_L = 6.2 kW, C_L = 0.016 mF
10
100
1000
Frequency (Hz)
FIGURE 4.
10000
www.vishay.com
8
0
−20
−40
−60
−80
1
R_L = 6.2 kW, C_L = 0.016 mF
10
100
1000
Frequency (Hz)
FIGURE 5.
10000
Document Number: 70014
S-40845—Rev. H, 03-May-04