TDA7514 datasheet(21/74 Pages) STMICROELECTRONICS

部件名	TDA7514

功能描述	SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

PDF	74 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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TDA7514

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Blend Adjustment

The filtered Smeter input to the SNC detector has variable gain and

offset. See SNC Detector specs.

High Cut Control

VHCH

VHCH = a * b * 4V

(level = Smeter * 1.0)

see below

VHCH Shift “a” factor

0001

0010

0100

1000

VHCH “b” factor

VHCL

VHC Control Voltage for FULL

Highcut Rolloff

for HCC control from level (where level = Smeter * 1.0):

VHCL = a * b * c * 4V

(or VHCL = c * VHCH)

for HCC control from SNC:

VHCL = 2V + a * b * c * 3V

VHCL “c” factor

16.70

22.20

27.80

33.30

fc range

HCC Filter cutoff frequency

range

20kHz

4kHz

10kHz

2kHz

4kHz

800Hz

4kHz

800Hz

HCC step

Number of settings (per

range)

Table 8. Quality Actuators (continued)

TDA7514 数据表(PDF) 21 Page - STMicroelectronics

TDA7514 数据表(HTML) 21 Page - STMicroelectronics

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