AMIS-42770 Datasheet, PDF (9/13 Pages) ON Semiconductor – Dual High Speed CAN Transceiver

AMIS−42770
Table 6. DC AND TIMING CHARACTERISTICS
(V_CC = 4.75 to 5.25 V; T_junc = −40 to +150°C; R_LT = 60 W unless specified otherwise.)
Symbol
Parameter
Conditions
Min.
BUS LINES (pins CANH1/2 and CANL1/2)
V_i(dif)(th)
Differential receiver threshold
−5 V < V_CANLx < +12 V;
0.5
voltage
−5 V < V_CANHx < +12 V;
see Figure 7
V_{ihcm(dif) (th)}
Differential receiver threshold
−35 V < V_CANLx < +35 V;
0.3
voltage for high common−
−35 V < V_CANHx < +35 V;
mode
see Figure 7
V_{i(dif) (hys)}
Differential receiver input
voltage hysteresis
−35 V < V_CANL < +35 V;
50
−35 V < V_CANH < +35 V;
see Figure 7
R_i(cm)(CANHx)
Common−mode input resist-
15
ance at pin CANH1/2
R_{i(cm) (CANLx)}
Common−mode input resist-
15
ance at pin CANL1/2
R_i(cm)(m)
Matching between pin CANH1/2
V_CANHx = V_CANLx
−3
and pin CANL1/2 common−
mode input resistance
R_i(dif)
Differential input resistance
25
C_i(CANHx)
Input capacitance at pin
CANH1/2
V_Tx0 = V_CC; not tested
C_i(CANLx)
Input capacitance at pin
CANL1/2
V_Tx0 = V_CC; not tested
C_i(dif)
I_LI(CANHx)
I_LI(CANLx)
V_CM−peak
Differential input capacitance
Input leakage current at pin
CANH1/2
Input leakage current at pin
CANL1/2
Common−mode peak during
transition from dom → rec or
rec → dom
V_Tx0 = V_CC; not tested
V_CC < PORL_VCC;
−5.25 V < V_CANHx < 5.25 V
V_CC < PORL_VCC;
−5.25 V < V_CANLx < 5.25 V
See Figure 11
−350
−350
−1000
V_CM−step
Difference in common−mode
between dominant and recess-
ive state
See Figure 11
−250
THERMAL SHUTDOWN
T_j(sd)
Shutdown junction temperature
150
TIMING CHARACTERISTICS (see Figures 8 and 9)
t_{d(Tx−BUSon)}
Delay Tx0/Text to bus active
40
t_{d(Tx−BUSoff)}
Delay Tx0/Text to bus inactive
30
t_{d(BUSon−RX)}
Delay bus active to Rx0/Rint
25
t_{d(BUSoff−RX)}
Delay bus inactive to Rx0/Rint
65
t_d(ENxB)
Delay from EN1B to bus act-
ive/inactive
t_{d(Tx−Rx)}
Delay from Tx0 to Rx0/Rint
15 pF on the digital output
4
and from Text to Rx0
(direct logical path)
t_dom
t_d(FBS)
Time out counter interval
Delay for feedback suppres-
sion release
15
5+
t_{d(BUSon−RX)}
Typ.
0.7
0.7
70
26
26
0
50
7.5
7.5
3.75
170
170
85
60
55
100
100
10
25
Max.
Unit
0.9
V
1.05
V
100
mV
37
KW
37
KW
+3
%
75
KW
20
pF
20
pF
10
pF
350
mA
350
mA
1000
mV
250
mV
°C
120
ns
115
ns
115
ns
145
ns
200
ns
35
ns
45
ms
300
ns
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