Rainbow-electronics LM32 Bedienungsanleitung PDF herunterladen (Seite 5)

SWD and ADD DIGITAL INPUT CHARACTERISTICS

Symbol Parameter Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limit)

SWD Logical High Input Voltage 2.1 V (min)

V+ + 0.5 V (max)

SWD Logical Low Input Voltage 0.8 V (max)

-0.5 V (min)

ADD Logical High Input Voltage 90%xV+ V (min)

ADD Logical Low Input Voltage 10%xV+ V (max)

HYST

Input Hysteresis 300 mV

SWD and ADD Input Current GND ≤ V

≤ V+

0.005

10 µA (max)

SWD Input Current with V+ Open or

Grounded

GND ≤ V

≤ 3.6V,

and V+ Open or

GND

0.005 µA

Digital Input Capacitance 10 pF

SWD DIGITAL OUTPUT CHARACTERISTICS

Symbol Parameter Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limit)

Open-drain Output Logic “Low”

Voltage

= 4mA 0.4 V (max)

= 50µA 0.2 V (max)

Open-drain Output Off Current

0.005

10 µA (max)

OUT

Digital Output Capacitance 10 pF

AC Electrical Characteristics

The following specification apply for V+ = +3.0 V

to +3.6 V

, unless otherwise specified. Boldface limits apply for

MIN

=0˚C to T

MAX

=85˚C; all other limits T

= 25˚C. The SensorPath Characteristics conform to the SensorPath

specification revision 0.98. Please refer to that speciation for further details.

Symbol Parameter Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limits)

HARDWARE MONITOR CHARACTERISTICS

CONV

Total Monitoring Cycle Time (Note 12) All Temperature readings

(Default)

182 163.8 ms (min)

200.2 ms (max)

SensorPath Bus CHARACTERISTICS

SWD fall time (Note 15) R

pull-up

=1.25 kΩ

30%,

=400 pF

300 ns (max)

SWD rise time (Note 15) R

pull-up

=1.25 kΩ

30%,

=400 pF

1000 ns (max)

INACT

Minimum inactive time (bus at high level)

guaranteed by the slave before an attention

request

11 µs (min)

Mtr0

Master drive for Data Bit 0 write and for Data

Bit 0-1read

11.8 µs (min)

17.0 µs (max)

Mtr1

Master drive for Data Bit 1 write 35.4 µs (min)

48.9 µs (max)

SFEdet

Time allowed for LM32 activity detection 9.6 µs (max)

SLout1

LM32 drive for Data Bit 1 read by master 28.3 µs (min)

38.3 µs (max)

MtrS

Master drive for Start Bit 80 µs (min)

109 µs (max)

SLoutA

LM32 drive for Attention Request 165 µs (min)

228 µs (max)

RST

Master or LM32 drive for Reset 354 µs (min)

LM32

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