TDA7514 datasheet(20/74 Pages) STMICROELECTRONICS

tên linh kiện	TDA7514

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TDA7514

20/74

Notes:

All thresholds are measured using a pulse with TR = 2

µs, THIGH= 2 µs and TF = 10 µs. The repetition rate must

not increase the PEAK voltage.

2. By design/characterization functionally guaranteed through dedicated test mode structure

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VADJMP

Noise rectifier adjustment

through Multipath (2)

Signal PEAK in Testmode

0.3

V/ms

0.5

V/ms

0.7

V/ms

0.9

V/ms

AM Noise Blanker

AM delay time

128

µs

Corner frequency of AM

delay filter

4kHz

AM config

AM configuration

Old mode (signal dependant

threshold)

Noise dependent threshold

New mode (fixed threshold),

STDInGain must be 0.5dB

140

fcHP

AM Noise Detector High

Pass Frequency

010

kHz

120

kHz

AM Noise Detector High

Pass Filter Order

1st order

2nd

order

TSAM

Suppression Pulse

Duration AM Signal

HOLDN in Testmode

1.2

800

µs

1.0

640

µs

Table 8. Quality Actuators

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Stereo Blend

VsbST

Vsb control voltage for full

stereo

VSBL

VSBL = 2V + (“d” factor) * 3V

see below

VSB Control Voltage for Full

Mono

d factor

000

001

010

011

100

101

110

111

Table 7. (continued)

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