AS8525 datasheet(14/38 Pages) AMSCO

номер детали	AS8525

подробное описание детали	LIN Transceiver with Voltage Regulators, Programmable Gain High Side Amplifier, and Voltage Attenuator

PDF	38 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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14 / 38 page

www.ams.com/AS8525

Revision 2.3

13 - 37

AS8525

Datasheet - Electrical Character i s t ics

6.2.6 TX Timeout Watchdog

6.2.7 Temperature Limiter

Worst case 10.4kbps

transmission

Vth_rec (min) = 0.389 x VSUP;

Vth_dom (min) = 0.251 x VSUP;

VSUP = 6V...18V; tbit = 96μs;

D4 = tbus_rec (max) / (2 x tbit)

OTP selection = Low Slew Mode

0.59

tdLR

VCC=5V; Propagation delay bus dominant to RX LOW

µs

tdHR

VCC=5V; Propagation delay bus dominant to RX HIGH

µs

tRS

Receiver Delay symmetry

-2

µs

twake

Wake-up delay time

150

µs

tsln

Transition from standby mode to normal mode

(clock frequency is 128kHz ±25%)

Clock

cycles

tnsl

Transition from standby mode to normal mode

(clock frequency is 128kHz ±25%)

Clock

cycles

trec_deb

Receiver De-bounce time

0.6

µs

Cint

Internal capacitance of the LIN node

250

Table 12. TX Timeout Watchdog

Symbol

Parameter

Conditions

Min

Typ

Max

Units

tlin_wdog

Time out period for the dominant

state

0.5

Table 13. Temperature Limiter

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Tsd

Shut down temperature

Junction temperature

155

170

185

ºC

Totset

Over-temperature warning

Junction temperature

142

157

172

ºC

Tret

Return temperature

Junction temperature

125

140

155

ºC

Table 11. AC Electrical Characteristics (Continued)

Symbol

Conditions

Min

Typ

Max

Units

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