參數(shù)資料
型號： AMIS-30621-AGA
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 0.8 A, PDSO20
封裝： 300 INCH, PLASTIC, SOIC-20
文件頁數(shù)： 56/57頁
文件大?。?/td> 1017K
代理商： AMIS-30621-AGA
AMIS-30621 LIN Micro-stepping Motor Driver
Data Sheet
8
AMI Semiconductor
– Sept. 2007, Rev 1.5
www.amis.com
10.0 AC Parameters
The AC parameters are given for Vbb and temperature in their operating ranges.
The LIN transmitter/receiver parameters conform to LIN Protocol Specification Revision 1.3. Unless otherwise specified 8V < Vbb < 18V,
Load for propagation delay = 1k, Load for slope definitions: [L1] = 1nF / 1k; [L2] = 6.8nF / 660; [L3] = 10nF / 510.
Table 6: AC Parameters
Symbol
Pin(s)
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Power-up
Tpu
Power-up time
Guaranteed by design
10
ms
Internal Oscillator
fosc
Frequency of internal oscillator
3.6
4.0
4.4
MHz
LIN Transmitter
T_slope_F/R
Slope time falling or rising edge
Extrapolated between 40%
and 60% Vbus_dom
3.5
22.5
s
T_slope_Sym
Slope time symmetry
(1)
T_slope_F – T_slope_R
-4
4
s
T_tr_F
Propagation delay TxD low to bus
0.1
1
4
s
T_tr_R
Propagation delay TxD high to bus
0.1
1
4
s
Tsym_tr
LIN
Transmitter delay symmetry
T_tr_F – T_tr_R
-2
2
s
LIN Receiver
T_rec_F
Propagation delay bus dominant to
RxD low
0.1
4
6
s
T_rec_R
Propagation delay bus recessive to
RxD high
0.1
4
6
s
Tsym_rec
Receiver delay symmetry
T_rec_F – T_rec_R
-2
2
s
Twake
LIN
Wake-up delay time
50
100
200
s
Switch Input and Hardwire Address Input
Tsw
Scan pulse period
(2)
1024
s
Tsw_on
SWI HW2
Scan pulse duration
(2)
64
s
Motor Driver
PWMfreq = 0
(3)
20.6
22.8
25.0
kHz
Fpwm
PWM frequency
(2)
PWMfreq = 1
(3)
41.2
45.6
50.0
kHz
Fjit_depth
PWM jitter modulation depth
PWMJen = 1
(3)
10
%
Tbrise
Turn-on transient time
170
ns
Tbfall
MOTxx
Turn-off transient time
Between 10% and 90%
140
ns
Charge Pump
fCP
CPN CPP Charge pump frequency
(2)
250
kHz
Notes:
(1) For loads [L1] and [L2].
(2) Derived from the internal oscillator.
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