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参数资料
型号： MC33394
厂商： 飞思卡尔半导体(中国)有限公司
元件分类： CAN
英文描述： Switch Mode Power Supply with Multiple Linear Regulators and High Speed CAN Transceiver(带有多个线性稳压器和高速CAN收发器的开关方式电源)
中文描述： 开关电源的多线性稳压器和高速CAN收发器（带有多个线性稳压器和高速的CAN收发器的开关方式电源）
文件页数： 14/44页
文件大小： 641K
代理商： MC33394
14
Go to: www.freescale.com
3. ELECTRICAL CHARACTERISTICS
(–40
°
C
≤
TA
≤
+125
°
C; +4.0 V
≤
VBAT
≤
+26.5 V using the 33394 typical application
circuit – see Figure 1, unless otherwise noted.)
Characteristic
Symbol
Min.
Typ.
Max.
Unit
DC CHARACTERISTICS:
CAN Transceiver (Continued)
(Bus Load CANH to CANL RL = 60
; Vdiff = VCANH – VCANL)
CANH,CANL impedance
CANH Common Mode Input Resistance
Ri(CM)CANH
Ri(CM)CANL
Ri(CM)MCAN
5.0
25
50
k
k
CANL Common Mode Input Resistance
5.0
25
50
CANH, CANL Common Mode Input Resistance Mismatch
100(RiCANH – Ri(CM)CANL )/[ (RiCANH + Ri(CM)CANL )/2]
Differential Input Resistance
–3.0
3.0
%
RI(dif)
CI(CANH)
CI(CANL)
CI(CANdif)
25
50
75
k
CANH Input Capacitance, VCANTXD = VDDH
CANL Input Capacitance, VCANTXD = VDDH
Differential Input Capacitance, CINCANH – CINCANL,
VCANTXD = VDDH
Thermal Shutdown
(Note 1)
7.5
20
pF
(Note 1)
7.5
20
pF
(Note 1)
3.75
10
pF
Thermal Shutdown Junction Temperature
(Note 1)
TSDIS
TSHYS
150
190
°
C
°
C
Thermal Shutdown Hysteresis
(Note 1)
5.0
20
AC CHARACTERISTICS:
CAN Transceiver
Timing Characteristics
See Figure 2, CANTXD = 250 kHz square wave; CANH & CANL Load RL = 60
differential.
Delay CANTXD to Bus Active, CL = 3nF
Delay CANTXD to Bus Inactive, CL = 10pF
Delay CANTXD to CANRXD, Bus Active, CL = 3nF
Delay CANTXD to CANRXD, Bus Inactive, CL = 10pF
NOTE:
1. Guaranteed by design but not production tested.
tonTXD
toffTXD
tonRXD
toffRXD
50
ns
80
ns
120
ns
190
ns
VDDH (5V)
0.9 V
0.5 V
0.7VDDH
0.3VDDH
CANTxD
Vdiff
CANRxD
tonTxD
tonRxD
toffTxD
toffRxD
0 V
VDDH (5V)
0 V
CANH (Recessive bit)
CANL (Recessive bit)
Figure 2. CAN Delay Timing Waveform
2.5 V
Vdiff
CANH = 3.5V (Domnant bit)
CANL = 1.5V (Domnant bit)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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