A3935 Allegro MicroSystems, Inc., A3935 Datasheet - Page 6

• Manufacturer Part Number: A3935
• Description: Three-Phase Power MOSFET Controller
• Manufacturer: Allegro MicroSystems, Inc.

6
ELECTRICAL CHARACTERISTICS:
V
Characteristics
Sense Amplifier
Input Bias Current
Input Offset Current
Input Resistance
Diff. Input Operating Voltage
Output Offset Voltage
Output Offset Voltage Drift
Input Com-Mode Oper. Range
Voltage Gain
Low Output Voltage Error
DC Common-Mode Attenuation
Output Resistance
Output Dynamic Range
Output Current, Sink
Output Current, Source
VDD Supply Ripple Rejection
VREG Supply Ripple Rejection
Small Signal 3-dB Bandwidth
AC Common-Mode Attenuation
Output Slew Rate
(positive or negative)
NOTES: Typical Data and Typical Characteristics are for design information only.
3935
THREE-PHASE POWER
MOSFET CONTROLLER
DD
= 4.75 V to 5.25 V, ENABLE = 22.5 kHz, 50% Duty Cycle, Two Phases Active.
Negative current is defined as coming out of (sourcing) the specified device terminal.
Symbol
V
PSRR
PSRR
I
V
A
CSOUT
source
I
I
f
A
SR
V
V
V
A
E
I
bias
sink
3db
r
r
IO
OO
VC
ID
IC
o
vc
i
OO
V
v
unless otherwise noted at T
Conditions
CSP = CSN = 0 V
CSP = CSN = 0 V
CSP with respect to GND
CSN with respect to GND
V
CSP = CSN = 0 V
CSP = CSN = 0 V
CSP = CSN
V
V
CSP = CSN = 200 mV
V
I
V
V
CSP = CSN = GND, freq. = 0 to 1 MHz
CSP = CSN = GND, freq. = 0 to 300 kHz
10 mV input
V
200 mV step input, meas. 10/90% points
CSOUT
ID
ID
id
CSOUT
CSOUT
CSOUT
cm
= 0 to 40 mV, V
= CSP – CSN, -1.3V < CSP,N < 4V
= 40 mV to 200 mV
= 250 mV/pp, freq. = 0 to 800 kHz
= -100 µA at top rail, 100 µA at bottom rail
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
= 2.0 V
= 2.5 V
= 2.5 V
o
= (19.2 x V
J
ID
= -40°C to +150°C, V
) + V
o
+ E
v
0.075
-180
18.6
Min
-1.5
-1.0
77
28
20
20
45
26
10
–
–
–
–
–
–
–
–
BAT
= 7 V to 16 V,
19.2
Typ
250
100
8.0
1.6
4.0
80
–
–
–
–
–
–
–
–
–
–
–
–
–
Limits
V
DD
±200
-360
Max
19.8
±35
450
±25
4.0
-0.25
–
–
–
–
–
–
–
–
–
–
–
–
µV/°C
Units
MHz
V/µs
V/V
mV
mV
mV
mA
mA
µA
µA
k
k
dB
dB
dB
dB
V
V