U2510B datasheet(1/15 Pages) ATMEL

部品番号	U2510B

部品情報	All-Band AM/FM Receiver and Audio Amplifier

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メーカー	ATMEL [ATMEL Corporation]

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U2510B

Rev. A3, 23-Feb-01

1 (15)

All-Band AM/FM Receiver and Audio Amplifier

Description

The U2510B is an integrated bipolar one-chip AM/FM

radio circuit. It contains an FM front end with

preamplifier, FM IF and demodulator, a complete AM

receiver, an AF amplifier and a mode switch for AM, FM

and tape. This circuit is designed for clock radios and

portable radio-cassette recorders.

Features

D Superior FM strong signal behavior by using RF AGC

D Soft mute and HCC for decreasing interstation noise

in FM mode

D Excellent AFC performance (level controlled, both

polarities available)

D Level indicator (LED drive) for AM and FM

D DC mode control: AM, FM and tape

D Wide supply-voltage range and low quiescent current

D High AF output power: 1 W

D Electronic volume control

D Electronic AF bandwidth control (treble and high cut)

D Output stage for headphone and speaker drive

Block Diagram

FM

front end

9

AM

front end

FM

AGC

12

13912

Voltage stab.

and

mode control

AM/FM

AFC

control

AM IF

amp. and

detect.

AM

AGC

Level

indic.

FM IF

amp.

FM

discr.

15

Power

amp.

28

AF preamp.

Volume

Mute

HCC

87

6

AFC

14

16

27

3

25

23

24

4

FM osc.

tank

FM RF

tank

IF BPE

226

(Replaceable)

FM RF

BPE

AM

ant.

AM osc.

tank

11

10

5

AGC

FM ant.

21

13

20

19

1

22

18

V

S

Treble

Vol

V

S

LED

AFC mode

Tape

AM

FM

V

S

IF

AGC

IF

RF AGC

V

Ref

S

2

Figure 1. Block diagram

同様の部品番号 - U2510B

メーカー	部品番号	データシート	部品情報
TEMIC Semiconductors	U2510B	400Kb / 15P	All-Band AM/FM Receiver and Audio Amplifier
TEMIC Semiconductors	U2510B-M	400Kb / 15P	All-Band AM/FM Receiver and Audio Amplifier

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同様の説明 - U2510B

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TEMIC Semiconductors	U2510B	400Kb / 15P	All-Band AM/FM Receiver and Audio Amplifier
ATMEL Corporation	ATR4258	665Kb / 38P	AM/FM Receiver IC
Silan Microelectronics ...	SA2003	206Kb / 7P	AM/FM RADIO RECEIVER
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Silicon Laboratories	SI4730-D60	990Kb / 3P	Broadcast AM/FM Radio Receiver