MCP2050 Datasheet, PDF (24/40 Pages) Microchip Technology – LIN Transceiver with Voltage Regulator

MCP2050
2.4 AC Specifications
AC CHARACTERISTICS
Electrical Characteristics: Unless otherwise indicated, all limits are specified for
VBB = 6.0V to 18.0V; TA = -40°C to +125°C
Parameter
Sym.
Min.
Typ.
Max. Units
Test Conditions
Bus Interface - Constant Slope Time Parameters (DC specifications are for a VBB range of 6.0 to 18.0V)
Slope Rising and Falling
Edges
tSLOPE
3.5
—
22.5
µs 7.3V <= VBB <= 18V
Propagation Delay of
Transmitter
Propagation Delay of
Receiver
tTRANSPD
—
tRECPD
—
—
5.0
µs tTRANSPD = max (tTRANSPDR or
tTRANSPDF)
—
6.0
µs tRECPD = max (tRECPDR or
tRECPDF)
Symmetry of Propagation
tRECSYM
-2.0
—
2.0
µs trecsym = max (tRECPDF –
Delay of Receiver Rising
tRECPDR)
Edge w.r.t. Falling Edge
RRXD 2.4 kΩto VCC,
CRXD 20pF
Symmetry of Propagation
tTRANSSYM
-2.0
—
2.0
µs tTRANSSYM = max (tTRANSPDF -
Delay of Transmitter Rising
tTRANSPDR)
Edge w.r.t. Falling Edge
Bus Dominant Time-Out
Time
t_TO(LIN)
—
25
—
mS
Time to Sample of
tFAULT
—
FAULT/TXE for Bus Conflict
Reporting
—
32.5
µs tFAULT = max (tTRANSPD +
tSLOPE + tRECPD)
Duty Cycle 1 @ 20.0 kbit/sec
0.396
—
—
%tBIT CBUS;RBUS conditions:
1 nF; 1 kΩ | 6.8 nF;
660Ω |
10 nF; 500Ω
THREC(MAX) = 0.744 x VBB,
THDOM(MAX) = 0.581 x VBB,
VBB =7.0V - 18V; tBIT = 50 µs.
D1 = tBUS_REC(MIN) / 2 x tBIT)
Duty Cycle 2 @ 20.0 kbit/sec
—
—
0.581 %tBIT CBUS;RBUS conditions:
1 nF; 1 kΩ | 6.8 nF;
660Ω |
10 nF; 500Ω
THREC(MAX) = 0.284 x VBB,
THDOM(MAX) = 0.422 x VBB,
VBB =7.6V - 18V; tBIT = 50 µs.
D2 = tBUS_REC(MAX) / 2 x tBIT)
Duty Cycle 3 @ 10.4 kbit/sec
0.417
—
—
%tBIT CBUS;RBUS conditions:
1 nF; 1 kΩ | 6.8 nF;
660Ω |
10 nF; 500Ω
THREC(MAX) = 0.778 x VBB,
THDOM(MAX) = 0.616 x VBB,
VBB =7.0V - 18V; tBIT = 96 µs.
D3 = tBUS_REC(MIN) / 2 x tBIT)
Duty Cycle 4 @ 10.4 kbit/sec
—
—
0.590 %tBIT CBUS;RBUS conditions:
1 nF; 1 kΩ | 6.8 nF;
660Ω |
10 nF; 500Ω
THREC(MAX) = 0.251 x VBB,
THDOM(MAX) = 0.389 x VBB,
VBB =7.6V - 18V; tBIT = 96 µs.
D4 = tBUS_REC(MAX) / 2 x tBIT)
DS20002299C-page 24
 2012-2014 Microchip Technology Inc.