MCP2035-ISLASHST datasheet(7/68 Pages) MICROCHIP

7 / 68 page

Gap time after AGC stabilization time

TGAP

200

—

µs

Time element of pulse

100

—

µs

Minimum pulse width

Time from exiting Sleep or POR to being

ready to receive signal

TRDY

——

50(1)

Minimum time AGC level must be held after

receiving AGC Preserve command

TPRES

5(1)

—

AGC level must not change more than 10% during

TPRES

Internal RC oscillator frequency

FOSC

35.5

kHz

Internal clock trimmed at 32 kHz during test

Inactivity Timer time-out

TINACT

13.5

17.75

512 cycles of RC oscillator @ FOSC

Alarm Timer time-out

TALARM

35.5

1024 cycles of RC oscillator @ FOSC

Input Resistance

(LCX)

RIN

—800(1)

—k



LCCOM grounded, VDD = 3V, FCARRIER = 125 kHz

Input Parasitic Capacitance

(LCX)

CIN

—24(1)

—

LCCOM grounded, VDD = 3V, FCARRIER = 125 kHz

Minimum output enable filter high time

OEH (Bits Config0<8:7>

)

= 1 ms

TOEH

32 (~1 ms)

—

clock

count

RC oscillator = FOSC

(see FOSC specification

for variations).

Viewed from the pin input:

(Note 3)

= 2 ms

64 (~2 ms)

—

= 4 ms

128 (~4 ms)

—

= Filter Disabled

—

Minimum output enable filter low time

OEL (Bits Config0<6:5>

)

= 1 ms

TOEL

32 (~1 ms)

—

clock

count

RC oscillator = FOSC

Viewed from the pin input:

(Note 4)

= 1 ms

32 (~1 ms)

—

= 2 ms

64 (~2 ms)

—

= 4 ms

128 (~4 ms)

—

AC CHARACTERISTICS (CONTINUED)

Electrical Specifications:

Standard Operating Conditions (unless otherwise stated), Supply Voltage: 2.0V

VDD 3.6V, Operating temperature: -40°C  TA  +85°C,

LCCOM connected to VSS, LCX Input Signal: Sinusoidal 300 mVPP, Carrier Frequency = 125 kHz, Bits <3:1> of Configuration Register 0: LCXEN = 0, LCZEN =

LCYEN = 1.

Parameters

Sym.

Min.

Typ(2)

Max.

Units

Conditions

Note 1:

Parameter is characterized but not tested.

Data in “Typ.” column is at 3.0V, +25°C unless otherwise stated. These parameters are for design guidance only and are not tested.

Required output enable filter high time must account for input path analog delays (= TOEH - TDR + TDF).

Required output enable filter low time must account for input path analog delays (= TOEL + TDR - TDF).

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