TJA1028 データシートの表示（PDF） - NXP Semiconductors.
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TJA1028 Datasheet PDF : 24 Pages
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NXP Semiconductors
TJA1028
LIN transceiver with integrated voltage regulator
11. Dynamic characteristics
Table 7. Dynamic characteristics
VBAT = 5.5 V to 18 V; Tvj = −40 °C to +150 °C; RL(LIN-VBAT) = 500 Ω; all voltages are defined with respect to ground; positive
currents flow into the IC; typical values are given at VBAT = 12 V; unless otherwise specified.[1]
Symbol
Parameter
Conditions
Min Typ Max Unit
Duty cycles
δ1
duty cycle 1
δ2
duty cycle 2
δ3
duty cycle 3
δ4
duty cycle 4
Timing characteristics
Vth(rec)RX(max) = 0.744VBAT;
Vth(dom)RX(max) = 0.581VBAT;
tbit = 50 μs;
VBAT = 7 V to 18 V
Vth(rec)RX(max) = 0.76VBAT;
Vth(dom)RX(max) = 0.593VBAT;
tbit = 50 μs;
VBAT = 5.5 V to 7.0 V
Vth(rec)RX(min) = 0.422VBAT;
Vth(domRX)(min) = 0.284VBAT;
tbit = 50 μs;
VBAT = 7.6 V to 18 V
Vth(rec)RX(min) = 0.41VBAT;
Vth(dom)RX(min) = 0.275VBAT;
tbit = 50 μs;
VBAT = 6.1 V to 7.6 V
Vth(rec)RX(max) = 0.778VBAT;
Vth(dom)RX(max) = 0.616VBAT;
tbit = 96 μs;
VBAT = 7 V to 18 V
Vth(rec)RX(max) = 0.797VBAT;
Vth(dom)RX(max) = 0.630VBAT;
tbit = 96 μs;
VBAT = 5.5 V to 7 V
Vth(rec)RX(min) = 0.389VBAT
Vth(dom)RX(min) = 0.251VBAT
tbit = 96 μs
VBAT = 7.6 V to 18 V
Vth(rec)RX(min) = 0.378VBAT;
Vth(dom)RX(min) = 0.242VBAT;
tbit = 96 μs;
VBAT = 6.1 V to 7.6 V
[2][3] 0.396 -
[4][5]
[2][3] 0.396 -
[4][5]
[2][4] -
-
[5][6]
[2][4] -
-
[5][6]
[3][4] 0.417 -
[5]
[3][4] 0.417 -
[5]
[4][5] -
-
[6]
[4][5] -
-
[6]
-
-
0.581
0.581
-
-
0.590
0.590
tPD(RX)r
rising receiver propagation delay
tPD(RX)f
falling receiver propagation delay
tPD(RX)sym
receiver propagation delay symmetry
twake(busdom)min minimum bus dominant wake-up time
tto(dom)TXD
TXD dominant time-out time
tmsel
mode select time
td(EN-TXD)
delay time from EN to TXD
tdet(uv)(VCC)
undervoltage detection time on pin VCC
Reset output; pin RSTN
CRXD = 20 pF
CRXD = 20 pF
CRXD = 20 pF
Sleep mode
VTXD = 0 V
CRSTN = 20 pF
-
-
-
-
−2 -
30 80
6
-
3
-
[7] 0
-
1
-
6
μs
6
μs
+2 μs
150 μs
20 ms
20 μs
1
μs
15 μs
trst
reset time
2
-
8
ms
TJA1028
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 25 February 2011
© NXP B.V. 2011. All rights reserved.
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