A3974SED Allegro Microsystems Inc, A3974SED Datasheet - Page 6

• Manufacturer Part Number: A3974SED
• Description: IC MOTOR DRVR PWM DUAL 44-PLCC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3974SED

• Applications: DC Motor Driver
• Number Of Outputs: 2
• Current - Output: ±1.5A
• Voltage - Load: 15 V ~ 50 V
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS at T
otherwise noted), continued.
A3974
Characteristic
Control Logic (continued)
Reference Input Current
Reference Input Offset Voltage
Reference Divider Ratio
Gain (G
Propagation Delay Time
Crossover Delay Time
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
Logic Supply Current
NOTES: 1. Typical Data is for design information only.
m
2. Negative current is defi ned as coming out of (sourcing) the specifi ed device terminal.
3. E
) Error (note 3)
G
= [(V
REF
/Range) - V
S
]/(V
Symbol
V
ΔV
V
REF
t
I
DMOS Dual Full-Bridge PWM Motor Driver
ΔT
V
E
COD
UVLO
I
REF
REF
t
T
DD
UVLO
pd
IO
G
J
/V
J
/Range).
S
Test Conditions
V
D16 = 1
D16 = 0
V
V
V
V
50% TO 90%:
PWM change to source on
PWM change to source off
PWM change to sink on
PWM change to sink off
SR enabled
Increasing V
f
Outputs off
Idle mode (D18 = 1, D19 = 0)
Sleep mode (inputs below 0.5 V)
A
PWM
REF
REF
REF
REF
REF
= +25°C, V
< 50 kHz
= 2.6 V
= 2.6 V, D16 = 0
= 0.5 V, D16 = 0
= 2.6 V, D16 = 1
= 0.5 V, D16 = 1
DD
BB
= 50 V, V
DD
= 5.0 V, f
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Min.
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0.05
600
600
300
3.9
50
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
PWM
Typ.
0.10
±10
750
150
750
150
600
165
5.0
4.2
10
15
—
—
—
—
—
0
0
0
0
< 50 kHz (unless
Limits
Max.
1000
1000
1000
±1.0
±4.0
±4.0
4.45
±14
±10
350
350
100
8.0
1.5
10
—
—
—
—
—
—
Units
mV
mA
mA
mA
μA
μA
ns
ns
ns
ns
ns
°C
°C
—
—
%
%
%
%
V
V
5