MAX13020 查看數據表（PDF） - Maxim Integrated

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MAX13020

±60V Fault-Protected LIN Transceivers

Maxim Integrated 

MAX13020/MAX13021

±60V Fault-Protected LIN Transceivers

TIMING CHARACTERISTICS

(VBAT = +5V to +38V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VBAT = +12V and TA = +25°C. Positive

currents flow into the device.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

VBAT = +7V to +18V, Vth(REC)(MAX) =

LIN Duty Factor 1

D1 = tBUS(REC)(MAX)/(2 x tBIT)

D1

0.744 x VBAT,

Vth(DOM)(MAX) = 0.581 x VBAT,

0.396

—

tBIT = 50µs (Figure 4, Note 2)

LIN Duty Factor 2

D2 = tBUS(REC)(MAX)/(2 x tBIT)

VBAT = +8V to +18V,

D2

Vth(REC)(MIN) = 0.422 x VBAT,

Vth(DOM)(MIN) = 0.284 x VBAT,

tBIT = 50µs (Figure 4, Note 2)

0.581

—

VBAT = +7V to +18V,

LIN Duty Factor 3

D3 = tBUS(REC)(MAX)/(2 x tBIT)

D3

Vth(REC)(MAX) = 0.778 x VBAT,

Vth(DOM)(MAX) = 0.616 x VBAT,

0.417

—

tBIT = 96µs (Figure 4, Note 2)

LIN Duty Factor 4

D4 = tBUS(REC)(MAX)/(2 x tBIT)

Vth(REC)(MIN) = 0.389 x VBAT,

D4

Vth(DOM)(MIN) = 0.251 x VBAT,

VBAT = +8V to +18V,

tBIT = 96µs (Figure 4, Note 2)

0.590

—

Propagation Delay of Receiving

Node

tp(RX)

VBAT = +7V to +18V,

CRXD = 20pF (Figure 4)

6

µs

Receiver Propagation Delay

Symmetry

Rising edge with respect to falling edge,

tp(RX)(SYM) VBAT = +7V to +18V,

-2

CRXD = 20pF, RRXD = 1kΩ

+2

µs

Continuously Dominant-Clamped

LIN Bus Detection Time

tLIN(DOM)(DET)

Normal/low slope mode (MAX13021),

VLIN = VGND

40

80

160

ms

Continuously Dominant-Clamped

LIN Bus Recovery Time

tLIN(DOM)(REC)

Normal/low slope mode (MAX13021),

VLIN = VGND

0.5

1

2

ms

Dominant Time for Wake-Up of

the LIN Transceiver

tBUS

Sleep mode (Figure 3)

30

70

150

µs

TXD Permanent Dominant

Disable Time

tTXD(DOM)(DIS)

Normal/low slope mode,

VTXD = VGND

20

80

ms

Dominant Time for Wake-Up

Through NWAKE

tNWAKE

Sleep mode

7

20

50

µs

Maxim Integrated

5

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