参数资料
型号: A4980KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 5/44页
文件大小: 0K
描述: IC STEPPER DVR PROGR 28-TSSOP
标准包装: 1
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±1.4A
电压 - 负载: 0 V ~ 50 V
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 标准包装
其它名称: 620-1461-6
A4980
Automotive, Programmable Stepper Driver
ELECTRICAL CHARACTERISTICS 1,2 (continued) Valid at T J = –40°C to 150°C, V BB = 6 to 28 V, V DD = 3.3 V; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Current Control (continued)
Reference Input Current
Maximum Sense Voltage
I REF
V SMAX
–3
0
125
3
μ A
mV
Current Trip Point Error 5
E ITrip
V REF = 2 V , M x I 0 = M x I 1 = 1
± 5
%
Logic Input And Output – DC Parameters
I n p u t L o w V o l t a g e
I n p u t H i g h V o l t a g e
I n p u t H y s t e r e s i s
V IL
V IH
V Ihys
0.7 × V DD
250
500
0.3 × V DD
V
V
mV
Input Current (Except RESETn)
Input Pull-Down Resistor (RESETn)
O u t p u t L o w V o l t a g e
O u t p u t H i g h V o l t a g e
Output Leakage (SDO)
I IN
R PD
V OL
V OH
I O
0 V < V IN < V DD
I OL = 2 m A
I OL = – 2 m A
0 V < V O < V DD , S T R n = 1
–1
V DD –0.4
– 1
50
0 . 2
V DD –0.2
1
0 . 4
1
μ A
k Ω
V
V
μ A
Logic Input And Output – Dynamic Parameters
R e s e t P u l s e W i d t h
Reset Shutdown Width
Input Pulse Filter Time (STEP, DIR)
t RST
t RSD
t PIN
0.2
10
35
4.5
μ s
μ s
ns
C l o c k H i g h T i m e
C l o c k L o w T i m e
S t r o b e L e a d T i m e
S t r o b e L a g T i m e
S t r o b e H i g h T i m e
Data Out Enable Time
Data Out Disable Time
Data Out Valid Time from Clock Falling
Data Out Hold Time from Clock Falling
Data In Set-Up Time to Clock Rising
Data In Hold Time From Clock Rising
STEP Rising to STRn Rising
Setup Time
STEP Rising from STRn Rising
Hold Time
S t e p H i g h T i m e
S t e p L o w T i m e
Setup Time Control Input Change
to STEP
Hold Time Control Input Change
from STEP
Wake-Up from RESET
t SCKH
t SCKL
t STLD
t STLG
t STRH
t SDOE
t SDOD
t SDOV
t SDOH
t SDIS
t SDIH
t SPS
t SPH
t STPL
t STPH
t SU
t H
t EN
A i n f i g u r e 1
B i n f i g u r e 1
C i n f i g u r e 1
D i n f i g u r e 1
E i n f i g u r e 1
F i n f i g u r e 1
G i n f i g u r e 1
H i n f i g u r e 1
I i n f i g u r e 1
J i n f i g u r e 1
K i n f i g u r e 1
L in figure 1, only when D15 = 1 and D14 = 0
M in figure 1, only when D15 = 1 and D14 = 0
M S 1 , M S 2 , D I R
M S 1 , M S 2 , D I R
5 0
5 0
3 0
3 0
3 0 0
5
1 5
1 0
100
300
1
1
2 0 0
2 0 0
4 0
3 0
4 0
1
n s
n s
n s
n s
n s
n s
n s
n s
n s
n s
n s
ns
ns
μ s
μ s
n s
n s
ms
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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