TDA7512F datasheet(15/45 Pages) STMICROELECTRONICS

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TDA7512F

Electrical specifications

Doc ID 12668 Rev 2

15/45

I20

Discharge current low

TDEV

µA

I20

Discharge current high

TDEV

µA

DEVWTH

Internal low threshold

DWTH

kHz

DEVWTH

Internal high threshold

DWTH

kHz

RATIOmin

Referred to threshold

DTH

RATIOmax Referred to threshold

DTH

1.5

Softmute

VANT

Upper startpoint

SMTH, SMD, SLOPE = 0

dBµV

VANT

lower startpoint

SMTH, SMD, SLOPE = 0

dBµV

aSMmin

Min. softmute depth

SMD, SLOPE = 0, SMTHUpper

-18-

aSMmax

Max. softmute depth

SMD, SLOPE = 0, SMTHUpper

-36-

aSMTHISS

Mute depth threshold for

ISS filter on

SMCTH

0.2

ACTH

Internal AC mute threshold

ACM

340

aSMAC

AC mute depth

ACMD

I42

Charge current

-47.5

µA

I42

Discharge current

2.5

µA

S/N over all

S/N

Signal to noise

VANT_min = 60 dBµV,

dev.= 40 kHz,LP=15 kHz

deemphasis t = 50 µs

Additional parameters

Output of Tuning Voltages (TV1,TV2)

VOUT

Output voltage

TVO

0.5

VCC3-

0.5

ROUT

Output impedance

Xtal reference oscillator

fLO

Reference frequency

CLoad = 15 pF

10.25

MHz

CStep

Min. cap step

XTAL

0.75

Cmax

Max. cap

XTAL

23.25

Δf/f

Deviation versus VCC2

ΔVCC2 = 1 V

1.5

ppm/V

Δf/f

Deviation versus temp

-40°C < T < +85 °C

0.2

ppm/K

I2C bus interface

fSCL

Clock frequency

400

kHz

VIL

Input low voltage

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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