L9658 datasheet(16/64 Pages) STMICROELECTRONICS

16 / 64 page

Electrical specification

L9658

16/64

Doc ID 14219 Rev 3

VDD = 4.9 to 5.1 V; V8BUCK = 7.0 V to 8.5 V, Tamb = -40 °C to +95 °C

Table 10.

AC specifications: satellite

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Osc

Internal oscillator frequency

Tested with 12.5k 1% Iref resistor

4.45

5.55

MHz

Mdf

De-glitch filter as a function of

protocol speed

Manchester Protocol Excluding

Osc tolerance

Bit<8:7

 00

Bit<8:7

 01

Bit<8:7

 10

Bit<8:7

 11

11.76

%*Bit-

Time

23.53

% *Bit-

Time

s

Bitr

Minimum frequency operating

range

(Incoming messages fall

within this operating range is

guaranteed to be accepted by

the IC)

Channel configurations

Bit<8:7

 00

Test at frq = 52.33 kHz

Test at frq =13.32 kHz

13.32

52.33

kHz

Bit<8:7

01

Test at frq =110.74 kHz

Test at frq = 26.32 kHz

26.32

110.74

kHz

Bit<8:7

10

Test at frq =164.20 kHz

Test at frq = 43.50 kHz

43.50

164.20

kHz

Bit<8:7

11

Test at frq =250.63 kHz

Test at frq = 62.66 kHz

62.66

250.63

kHz

Bitr

Maximum frequency

operating range

(Incoming messages fall

outside this operating range is

guaranteed to be rejected by

the IC)

Channel configurations

Bit<8:7

 00

Test at frq > 59.14 kHz

Test at frq <11.99 kHz

11.99

59.14

kHz

Bit<8:7

01

Test at frq>128.37 kHz

Test at frq <23.57 kHz

23.57

128.37

kHz

Bit<8:7

10

Test at frq>194.93 kHz

Test at frq <38.71 kHz

38.71

194.93

kHz

Bit<8:7

11

Test at frq>309.6 kHz

Test at frq <55.37 kHz

55.37

309.6

kHz

Idle

Idle time

Manchester

Bit Times

Tdl & Tdh

IFx/Vx delay

Test with12.5k 1% Iref resistor

check response from changing

between the following current

levels.

High =0-15 mA,

Low = 66 to 150 mA

-1

s

Tdl - Tdh

IFx/Vx delay time differential

ICHX outputs with a 500 s

symmetrical pulse in and 500

s out.

0.3

s

Flt

Output fault timer

I_sensor > I_lim

300

500

s

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