MPXY8020A datasheet(8/17 Pages) FREESCALE

Part #	MPXY8020A

Description	Tire Pressure Monitoring Sensor Temperature Compensated and Calibrated, Fully Integrated Digital Output

PDF	17 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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8 / 17 page

Sensors

Freescale Semiconductor

MPXY8000

Figure 8. Control Timing Test Load for OUT and RST Pins

Table 6. Control Timing

+2.1 V

≤ VDD ≤ +3.6 V, TL ≤ TA ≤ TH, unless otherwise specified.

Characteristic

Symbol

Min

Typ

Max

Units

HFO Measurement Clock Frequency

fHF

100

135

150

kHz

LFO Wake Up Clock Frequency

Ta =

–40°C, +2.1V ≤ VDD ≤ +3.6

Ta = +25

°C, +2.1V ≤ VDD ≤ +3.6

Ta = +125

°C, +2.1V ≤ VDD ≤ +3.6

fLF

3300

3900

3800

5400

5300

8000

7700

7000

Wake Up Pulse

Pulse Timing

Pulse Width

tWAKE

tWPW

—

16384

—

LFO clocks

Reset Pulse

Pulse Timing

Pulse Width

tRESET

tRPW

—

16,777,216

—

LFO clocks

Minimum Setup Time (DATA edge to CLK rise)

tSETUP

100

—

nSec

Minimum Hold Time (CLK rise to DATA change)

tHOLD

100

—

nSec

Measurement Response Time

Recommended time to hold device in measurement mode

Temperature

Pressure

tTMEAS

tPMEAS

—

200

500

—

µSec

Read Response Time (see Figure 8)

From 90% VDD on S0 to OUT less than VOL or greater than VOH

tREAD

—

100

µSec

Sample Capacitor Discharge Time

From initial full scale D/A count (255) to drop 2 counts (253)

tSH

—

mSec

Test Point

50 pF

6.32 k

Ω

10.91 k

Ω

VDD

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