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TPIC1021A-Q1 датащи(PDF) 10 Page - Texas Instruments

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номер детали TPIC1021A-Q1
подробное описание детали  LIN PHYSICAL INTERFACE
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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TPIC1021A-Q1 датащи(HTML) 10 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPIC1021A-Q1
SLIS117A – AUGUST 2007 – REVISED JUNE 2009.......................................................................................................................................................... www.ti.com
VSUP = 7 V to 27 V, TA = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
SUPPLY
Device is operational beyond the LIN 2.0
Operational supply voltage(2)
defined nominal supply line voltage range
7
14
27
of 7 V < VSUP < 18 V
V
Normal and standby modes
7
14
18
Nominal supply line voltage
Sleep mode
7
12
18
VSUP undervoltage threshold
4.5
6.2
Normal mode, EN = High, Bus dominant
(total bus load where RLIN ≥ 500 Ω and
1.2
7.5
mA
CLIN ≤ 10 nF (see Figure 7)
(3), INH = V
SUP,
NWake = VSUP
Standby mode, EN = Low, Bus dominant
(total bus load, where RLIN ≥ 500 Ω and
1
2.1
mA
CLIN ≤ 10 nF (see Figure 7)
(3), INH = V
SUP,
NWake = VSUP
Normal mode, EN = High, Bus recessive,
450
775
ICC
Supply current
LIN = VSUP, INH = VSUP, NWake = VSUP
µA
Standby mode, EN = Low, Bus recessive,
450
775
LIN = VSUP, INH = VSUP, NWake = VSUP
Sleep mode, EN = 0,
7 V < VSUP ≤ 12 V, LIN = VSUP,
15
30
µA
NWake = VSUP
Sleep mode, EN = 0,
12 V < VSUP < 27 V, LIN = VSUP,
50
µA
NWake = VSUP
RXD OUTPUT PIN
VO
Output voltage
–0.3
5.5
V
Low-level output current,
IOL
LIN = 0 V, RXD = 0.4 V
3.5
mA
open drain
IIKG
Leakage current, high-level
LIN = VSUP, RXD = 5 V
–5
0
5
µA
TXD INPUT PIN
VIL
Low-level input voltage
–0.3
0.8
V
VIH
High-level input voltage
2
5.5
Input threshold hysteresis
VIT
30
500
mV
voltage
Pulldown resistor
125
350
800
k
IIL
Low-level input current
TXD = Low
–5
0
5
µA
(1)
Typical values are given for VSUP = 14 V at 25°C, except for low power mode where typical values are given for VSUP = 12 V at 25°C.
(2)
All voltages are defined with respect to ground; positive currents flow into the TPIC1021A device.
(3)
In the dominant state, the supply current increases as the supply voltage increases due to the integrated LIN slave termination
resistance. At higher voltages the majority of supply current is through the termination resistance. The minimum resistance of the LIN
slave termination is 20 k
Ω, so the maximum supply current attributed to the termination is:
ISUP (dom) max termination ≈ (VSUP – (VLIN_Dominant + 0.7 V) / 20 kΩ
10
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