an7273s Panasonic Corporation of North America, an7273s Datasheet

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an7273s

Manufacturer Part Number
an7273s
Description
Am Tuner, Fm/am If Amplifier Circuit
Manufacturer
Panasonic Corporation of North America
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AN7273S
Manufacturer:
PANASONIC/松下
Quantity:
20 000
for Hi-Fi stereo tuner. They are functioned with stop signal
pin besides the AN7223S function.
ICs for FM/AM Tuner
AN7273, AN7273S
AM Tuner, FM/AM IF Amplifier Circuit
Level meter output (FM–AM common use)
Stop signal output (for synthesizer tuner)
AM : including RF amplifier and high sensitivity
Low power consumption
Low shock noise level from function switch operation
Fewer external parts
Overview
Features
Block Diagram
The AN7273 and the AN7273S are the ICs designed
1
7
4
3
AM RF
Amp.
8
AM–FM
IF Amp.
9
Level Meter
5
AM
Mixer
FM IF
Amp.
AM
L. Osc.
18
FM
Quad. Det.
12
Mute or Shock
Noise Canceller
AGC
6
AN7273S
AN7273
V
2
CC (AM)
3 ~ 15˚
Mute Det.
18-Lead SOP Package (SOP018-P-0300)
0.3
AF Amp.
AM Det.
18-Lead DIP Package (DIP018-P-0300E)
1
2
3
4
5
6
7
8
9
1
9
10
7.62 0.25
6.3 0.25
5.4 0.3
7.7 0.3
GND
11
18
17
16
15
14
13
12
11
10
14
17
16
13
15
3.8 0.25
V
V
18
10
CC
REF
0.51min.
(3.45)
Unit : mm
Unit : mm

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an7273s Summary of contents

Page 1

... ICs for FM/AM Tuner AN7273, AN7273S AM Tuner, FM/AM IF Amplifier Circuit Overview The AN7273 and the AN7273S are the ICs designed for Hi-Fi stereo tuner. They are functioned with stop signal pin besides the AN7223S function. Features • Level meter output (FM–AM common use) • ...

Page 2

... AN7273, AN7273S Pin Descriptions Pin No. Pin Name Pin No Input Supply/Mute Adjustment Input Mixer Output 13 5 AGC Output ( AGC Output ( Input By-pass By-pass 18 Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current ...

Page 3

... Supply Voltage –10 –20 –30 –40 –50 –60 –70 100 120 –300 –200 –100 Input Frequency Change Df (kHz) AN7273, AN7273S V – 1 (AM 1MHz 400Hz, 30% 1.4 m (FM 10.7MHz 400Hz, 22.5kHz m 1 ...

Page 4

... AN7273, AN7273S Application Circuit 0.022 MA27W 1 From FM Front End. 330 Printed Circuit Board Layout AM ANT SW FM 2.2k AM 10k Mute 0.022 + – 0.022 F – 470 0.0047 – – – AN7273/S ...

Page 5

... Matsushita 2 – 3 125T 2 4 – – 2 35T Matsushita 2 6 – 4 10T 2 – 1 19T 1 6 Maker Center Freq. Toko 455kHz AN7273, AN7273S Unloaded Q 90 20% 100pF — 95 20% 60 30% 1500pF Band Width Loss 7kHz (–6dB) 2.6dB ...

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