TDA7333N datasheet(9/36 Pages) STMICROELECTRONICS

9 / 36 page

TDA7333N

Electrical specifications

9/36

Digital inputs( pin 6,8,11,12,13,14)

Vil

Low level input voltage

0.8

Vih

High level input voltage

2.0

Vilhyst

Low level threshold input

falling

1.0

1.15

Vihhyst

High level threshold input

rising

1.5

1.7

Vhst

Schmitt trigger hysteresis

0.4

0.7

Digital outputs (pin 12,13,15) are open drains

Voh

High level output Voltage

Open drain, depends on external

circuitry

n/a

Vol

Low level output Voltage

Iol =4 mA, takes into account

200 mV drop in the supply voltage

0.4

Analog inputs (pin 16)

VMPX

Input Range of MPX Signal

0.75

Vrms

Input Impedance of MPX pin

55k

Ohm

Cref

Blocking Capac. of REF Pins

Electrolyte capacitor parallel to

ceramic capacitor

2.2

μF

100

Crystal/oscillator parameters

fosc

Quartz frequency

10.25

MHz

foto

Total quartz frequency

tolerance

Tamb = -40 to 85 °C

100

ppm

tsu

Start up time

Oscillator transconductance

0.0006

A/V

Cxti,Cxto Load capacitance

With crystal between XTI and XTO

External XTI input frequency mode (pin 9)

fexti

Externaly applied XTI

frequency

10.25

MHz

Vxti

XTI input voltage

With Rxto = 3.3 kOhm,

and fexti = 10.25 MHz

220

mVpp

Cin

Coupling capacitor for external

clock frequency

100

Rxto

XTO pull up to VDDD

3.3

Table 5.

Electrical characteristics (continued)

Tamb = -40 to +85 °C, VDDA/VDDD = 3.0 to 3.6 V, fosc = 8.55 MHz, unless otherwise specified

VDDD and VDDA must not differ more than 0.15 V

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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