SI9961A Datasheet, PDF (2/9 Pages) Vishay Siliconix – 12-V Voice Coil Motor Driver

Si9961A
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to Common Pin
V+ Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 16 V
Pin (FAULT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to V_CC + 0.3 V
Pin (Output A & B, Source A & B) . . . . . . . . . . . . . . . . −0.3 V to V_DD + 0.3 V
Pin (All Others) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to V+ + 0.3 V
Maximum Clamp Current
Output A, Output B (Pulsed 10 ms at 10% duty cycle) . . . . . . . . . . . . "1.8 A
Pin (All Others) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "20 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 150_C
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70_C
Junction Temperature (T_J) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150_C
Power Dissipation (Package)^a
24-Pin SOIC^b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.125 W
Thermal Impedance (Q_JA)^a
24-Pin SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40_C/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 25 mW/_C above 25_C.
SPECIFICATIONS
Parameter
Symbol
Bridge Outputs (A₄, A₅)
High Level Output Voltage
V_OH
Low Level Output Voltage
V_OL
Clamp Diode Voltage
V_CL
Amplifier Gain
Dynamic Crossover Current
Slew Rate
SR
Small Signal Bandwidth (−3 dB)
Input Deadband
A₂, Loop Compensation Amplifier
Input Offset Voltage
Input Bias Current
Unity Gain Bandwidth
Slew Rate
Power Supply Rejection Ratio
Open Loop Voltage Gain
Output Voltage Swing
V_OS
I_B
SR
PSRR
A_VOL
V_O
A₃, Current Sense Amplifier
Input Offset Voltage
Input Impedance
Small Signal Bandwidth (−3 dB)
Common Mode Rejection Ratio
Slew Rate
Gain
Input Common-Mode Voltage Range
Output Voltage Swing
Supply
V_OS
R_IN
CMRR
SR
V_CM
V_O
I_CC
Supply Current (Normal)
I_V+
I_DD
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2
Test Conditions
Unless Otherwise Specified
V+ = 12 V "10%, V_DD = 11.6 V "10%
V_CC = 5 V "10%, V_REF− = GND = 0 V
V_REF = 5 V "5%
Limits
C Suffix 0 to 70_C
Min^b Typ^a Max^b Unit
I_OH = 1.0 A, V_DD = 10.2 V, OA₂= V_REF "1 V
I_OL = −1.0 A, OA₂ = V_REF "1 V
I_F = 1.0 A, ENABLE = High
Output V_RANGE = V_REF "2 V
Measured at V_DD
8.0
9.1
0.6
1.1
V
2.5
12
16
18
V/V
10
mA
1
V/mS
0.2
MHz
−60
60
mV
Gain Select = High, IA₂^− = 5 V
R_LOAD = 10 kW, C_LOAD = 100 pF to V_REF
@ 10 kHz
R_LOAD = 10 kW to V_REF
−8
8
mV
−50
1
1
50
80
50
nA
MHz
V/ms
dB
V_REF −2
V_REF +2 V
I_SENSEIN+ to I_SENSEIN−
R_LOAD = 10 kW, C_LOAD = 100 pF to V_REF
@ 5 kHz
To GND
R_LOAD = 10 kW, C_LOAD = 100 pF to V_REF
−5
5
mV
5
kW
1
MHz
50
dB
2
V/ms
3.9
4
4.1
V/V
−0.3
V_REF −2
2
V
V_REF +2
Static, No Load
RETRACT = High
ENABLE = Low
0.01
2
5
mA
5
13
Document Number: 70014
S-40845—Rev. H, 03-May-04