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| 型号： | A3985SLDTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC MOSFET DRVR PROG DUAL 38TSSOP |
| 标准包装： | 1 |
| 配置： | 半桥 |
| 输入类型： | 非反相 |
| 延迟时间： | 120ns |
| 配置数： | 2 |
| 输出数： | 8 |
| 电源电压： | 12 V ~ 50 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 38-TSSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 1141 (CN2011-ZH PDF) |
| 其它名称： | 620-1180-6 |
A3985
Digitally Programmable
Dual Full-Bridge MOSFET Driver
ELECTRICAL CHARACTERISTICS , continued, at T A = 25°C, V DD = 5 V, V BB = 12 to 50 V, unless noted otherwise
Characteristics Symbol Test Conditions Min. Typ. Max.
Serial Data Timing
Units
Serial Clock High Time t SCKH
Serial Clock Low Time t SCKL
Strobe Lead Time t STLD
Strobe Lag Time t STLG
Strobe High Time t STRH
Data Out Enable Time t SDOE
Data Out Disable Time t SDOD
Data Out Valid Time from SCK Falling t SDOV
Data Out Hold Time from SCK Falling t SDOH
Data In Set-up Time to SCK Rising t SDIS
Data In Hold Time from SCK Rising t SDIH
WC Set-up Time to STR Rising t SWCS
WC Hold Time from STR Rising t SWCH
WC Hold Time from STR Falling t SLWCH
50
50
30
30
150
–
–
–
5
15
10
15
50
30
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
40
30
40
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1 For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
2 Current Trip Point Error is the difference between actual current trip point and the target current trip point, referred to full
scale (100%) current: E ITrip = 100 × (I TripActual – I TripTarget ) / I FullScale %
Serial Data Timing Diagram
WC
STR
t SLWCH
t SWCS
t SWCH
t STLD
t SCKH
t SCKL
t STLG
t STRH
SCK
t SDIS
t SDIH
SDI
t SDOE
t SDOV
D18
t SDOH
D17
D0
t SDOD
SDO
**
D18 *
D17 *
D0 *
Dx = Current data transfer block
D x * = Previous data transfer block
** = Undefined, usually LSB from previous transfer
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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| A3986SLDTR-T | 功能描述:IC DRIVER MICROSTEPPING 38-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
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