AU5783D 查看數據表（PDF） - Philips Electronics

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AU5783D

J1850/VPW transceiver with supply control function

Philips Electronics 

Philips Semiconductors

J1850/VPW transceiver with supply control function

Objective specification

AU5783

SYMBOL

PARAMETER

CONDITIONS

BUS input function

tDRXon;

tDRXoff

ttRX

BUS input delay time, rising and

falling edge

RX output transition time, rising and

falling edge

measured from VBUS = 3.875V to

VRX = 2.5V

NSTB = 5V, measured at 10% and

90% of waveform

ttRXsl

RX output transition time in standby

and sleep mode, rising and falling

edge

NSTB = 0V, measured at 10% and

90% of waveform

tDRXsl

BUS to RX delay in sleep and

standby modes

NSTB = 0, LWAKE = VBAT,

measured from BUS = 3.875V to

RX = 2.5V

NOTES:

9. This parameter is characterized but not subject to production test.

MIN.

0.2

8

TEST CIRCUITS

TYP.

MAX.

UNIT

2

µs

1

µs

5

µs

40

µs

TX

NSTB

S1

4X/LOOP

S2

RX

3.9k

5.1V

AU5783

INH

R/F

GND

100k

56k

BUS

LOAD

BAT

10.7k

LWAKE

10k

I_LOG

1.5k

1uF

S3

+

V_bat

NOTE:

10. Check I_LOG with the following switch positions:

1. S1 = open = S2

2. S1 = open, S2 = closed

3. S1 = closed, S2 = open

4. S1 = closed = S2

Figure 3. Test circuit for loss of ground condition

SL01226

1999 May 11

10

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