Datasheet > TDA3866

TDA3866

更新时间： 2024-02-26 04:50:18

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
16页	135K
描述
Quasi-split sound processor for all standards

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TDA3866 数据手册

Philips Semiconductors

Preliminary speciﬁcation

Quasi-split sound processor for all standards

TDA3866

FEATURES

GENERAL DESCRIPTION

• Quasi-split sound processor for all standards e. g. B/G

Separate symmetrical IF inputs for FM or AM sound.

(FM sound) and L (AM sound)

Gain controlled wideband IF amplifier, input select switch.

AGC generation due to peak sync for FM or mean signal

level for AM. Reference amplifier for the regeneration of

the vision carrier. Optimized limiting amplifier for AM

suppression in the regenerated vision carrier signal and

90° phase shifter.

• AF2 signal automatically muted (at B/G) by the input

signal level

• AM signal processing for L standard and switching over

the audio signal

• Stereo-matrix correction

Intercarrier mixer for FM sound, output with low-pass filter.

• Layout-compatible with TDA3858 (32 pins) and

TDA3857 (20 pins)

Separate signal processing for 5.5 and 5.74 MHz

intercarriers.

• AM output level typically 500 mV at m = 0.54 (+2.5 dB in

comparison to TDA3856)

Wide supply voltage range, only 300 mW power

dissipation at 5 V.

QUICK REFERENCE DATA

SYMBOL

V_P

PARAMETER

MIN.

4.5

TYP.

MAX.

8.8

UNIT

supply voltage (pin 21)

supply current

I_P

−

100

−

µV

V_{i IF}

V_o

IF input sensitivity (−3 dB)

audio output signal for FM standard B/G (RMS value)

audio output signal for AM standard L (RMS value)

0.5

−

THD

total harmonic distortion

for FM

−

0.5

−

for AM

S/N (W)

weighted signal-to-noise ratio

for FM

for AM

−

ORDERING AND PACKAGE INFORMATION

EXTENDED TYPE

PACKAGE

MATERIAL

NUMBER

PINS

PIN POSITION

shrink DIL

CODE

SOT234⁽¹⁾

TDA3866

plastic

Note

1. SOT234-1; 1997 January 8.

January 1992

123 4 5 6 7...16

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