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參數(shù)資料
| 型號： | SAA1042 |
| 廠商： | Motorola, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | STEPPER MOTOR DRIVER |
| 中文描述： | 步進電機驅(qū)動器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 100K |
| 代理商： | SAA1042 |
SAA1042
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted.)
Rating
Symbol
SAA1042V
Unit
Clamping Voltage (Pins 1, 3, 14, 16)
Vclamp
VOV
VCC
IM
Vin clock
Vin Full/Half
Vin CW/CCW
PD
θ
JA
θ
JC
20
V
Over Voltage (VOV = Vclamp – VM)
Supply Voltage
6.0
V
20
V
Switching or Motor Current/Coil
500
mA
Input Voltage (Pins 7, 8, 10)
VCC
V
Power Dissipation (Note 1)
Thermal Resistance, Junction–to–Air
Thermal Resistance, Junction–to–Case
2.0
80
15
W
°
C/W
Operating Junction Temperature Range
TJ
Tstg
–30 to +125
°
C
°
C
Storage Temperature Range
–65 to +150
NOTE:
1. The power dissipation (PD) of the circuit is given by the supply voltage (VM and VCC) and the
motor current (IM), and can be determined from Figures 3 and 5. PD = Pdrive – Plogic.
ELECTRICAL CHARACTERISTICS
(TA = 25
°
C, unless otherwise noted.)
Characteristics
Pin(s)
Symbol
VCC
5.0 V
20 V
Min
Typ
Max
Unit
Supply Current
11
ICC
—
—
—
—
3.5
8.5
mA
Motor Supply Current
(IPin 6 = –400
μ
A, Pins 1, 3, 14, 16 Open)
VM = 6.0 V
VM = 12 V
VM = 24 V
Input Voltage, High State
15
IM
5.0 V
5.0 V
5.0 V
—
—
—
25
30
40
—
—
—
mA
7, 8, 10
VIH
5.0 V
10 V
15 V
20 V
2.0
7.0
10
14
—
—
—
—
—
—
—
—
V
Input Voltage, Low State
VIL
5.0 V
10 V
15 V
20 V
—
—
—
—
—
—
—
—
0.8
1.5
2.5
3.5
Input Reverse Current, High State
(Vin = VCC)
7, 8, 10
IIR
5.0 V
10 V
15 V
20 V
—
—
—
—
—
—
—
—
2.0
2.0
3.0
5.0
μ
A
Input Forward Current, Low State
(Vin = Gnd)
IIF
5.0 V
10 V
15 V
20 V
–10
–25
–40
–50
—
—
—
—
—
—
—
—
Output Voltage, High State (VM = 12 V)
Iout = –500 mA
Iout = –50 mA
Output Voltage, Low State
Iout = 500 mA
Iout = 50 mA
Output Leakage Current, Pin 6 = Open
(VM = VD = Vclamp max)
Clamp Diode Forward Voltage (Drop at IM = 500 mA)
Clock Frequency
1, 3, 14, 16
VOH
5.0 –
20 V
—
—
VM – 2.0
VM – 1.2
—
—
V
VOL
5.0 –
20 V
—
—
0.7
0.2
—
—
1, 3, 14, 16
IDR
5.0 –
20 V
–100
—
—
μ
A
2
VF
fc
—
—
2.5
3.5
V
7
5.0 –
20 V
0
—
50
kHz
Clock Pulse Width
7
tw
5.0 –
20 V
10
—
—
μ
s
Set Pulse Width
6
ts
—
—
10
—
—
μ
s
Set Control Voltage, High State
Set Control Voltage,
Low State
6
—
VM
—
—
—
—
0.5
V
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