TDA7388 Datasheet – 4x45W Quad Bridge Car Radio Amplifier – ST

This is one of the radio amplifier types.

Part Number: TDA7388

Function: 4 x 45 W Quad Bridge Car Radio Amplifier

Package: Flexiwatt 25 Type

Manufacturer: STMicroelectronics

See the preview image and the PDF file for more information.

Image

tda7388-car-radio-amplifier

 

Description

The TDA7388 is an integrated audio amplifier IC manufactured by STMicroelectronics. It is a four-channel audio amplifier designed for use in car audio systems, and is capable of delivering up to 45W of output power per channel. This IC has a low noise level, high efficiency, and is capable of driving high-impedance loads. It also features a mute function, thermal protection, and a low-power standby mode.

The TDA7388 is an AB class audio power amplifier, packaged in Flexiwatt 25 and designed
for high end car radio applications.

Based on a fully complementary PNP/NPN configuration, the TDA7388 allows a rail to rail
output voltage swing with no need of bootstrap capacitors. The extremely reduced boundary
components count allows very compact sets.

TDA7388 Pinout

tda7388-datasheet-pinout

 

Features

1. High output power capability:
(1) 4 x 45 W / 4  max.
(2) 4 x 26 W / 4  @ 14.4 V, 1 kHz, 10 %

2. Low distortion

3. Low output noise

4. Standby function

5. Mute function

6. Automute at min. supply voltage detection

7. Low external component count:
(1) Internally fixed gain (26 dB)
(2) No external compensation
(3) No bootstrap capacitors

 

TDA7388 Application Circuit

tda7388-application-circuit

 

TDA7388 Datasheet PDF

TDA7388 pdf

 

Other data sheets are available within the file: TDA-7388

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TDA7421 Datasheet PDF – AM/FM Tuner for Car Radio

Part Number: TDA7421

Function: AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATION

Package: TQFP 64 Pin

Manufacturer: STMicroelectronics

Image :

TDA7421 datasheet

 

Description

The TDA7421 is a high performance tuner circuit that integrates AM/FM sections, IF counter and PLL synthesizer on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of external components.

Features

1. FRONT-END FOR AM/FM RECEIVERS

2. UP-CONVERSION ARCHITECTURE FOR AM

3. HIGH SPEED PLL WITH INLOCK DETECTOR FOR OPTIMIZED RDS Applications

4. SINGLE FREQUENCY REFERENCE FOR AM/FM

5. AM/FM STATION DETECTOR

6. uP-CONTROLLED COMPENSATION OF EXTERNAL COMPONENTS SPREAD

7. ADJUSTABLE AUDIO MUTE

 

Pinout

components

 

The Automatic Gain Control (AGC) operates on different sensitivities and bandwidths in order to improve sensitivity and dynamic range. I2C bus allows to control selected functions of the tuner (AGC and amplifiers gain, PLL and counters operation modes).

Application Circuits :

components

Other data sheets are available within the file: TDA7421N

TDA7421 Datasheet PDF Download

TDA7421 pdf