TEA5591A.PDF

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INTEGRATED CIRCUITS
DATA SHEET
TEA5591A
AM/FM radio receiver circuit
Product specification
File under Integrated Circuits, IC01
February 1990
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Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5591A
GENERAL DESCRIPTION
The TEA5591A is a 24-pin integrated radio circuit, derived from the TEA5591 and is designed for use in AM/FM portable
radios and clock radios. The TEA5591A differs from the TEA5591 in that it has:
·
Separate IF input pins for AM and FM
A split-up AM-IF stage (for distributed selectivity)
· An LED driver indicator
The main advantage of the TEA5591A is its ability to operate over a wide range of supply voltages (1.8 to 15 V) without
any loss of performance.
The AM circuit incorporates:
·
A double balance mixer
·
A ‘one-pin’ oscillator with amplitude control operating in the 0.6 to 30 MHz frequency range
·
A split-up IF amplifier
·
A detector
·
An AGC circuit which controls the IF amplifier and mixer.
The FM circuit incorporates:
·
An RF input amplifier
·
A double balanced mixer
·
A ‘one-pin’ oscillator
·
Two IF amplifiers (for distributed selectivity)
·
A quadrature demodulator for a ceramic filter
·
Internal AFC
Features
·
LED AM/FM indicator
·
A DC AM/FM switch facility
·
Three separate stabilizers to enable operation over a wide range of supply voltages (1.8 to 15 V)
·
All pins (except pin 10) are ESD protected
PACKAGE OUTLINE
24-lead shrink DIL; plastic (SOT234); SOT234-1; 1996 September 9.
February 1990
2
·
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Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5591A
QUICK REFERENCE DATA
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage (pin 8)
V P
1.8
-
15
V
Total current consumption
AM part
I P
-
14
-
mA
FM part
I P
-
17
-
mA
Operating ambient
temperature range
T amb
-
15
-
+ 60
°
C
AM performance (pin 1)
note 1
Sensitivity
V o = 10 mV
V i
-
3.5
-
m
V
(S + N)/N = 26 dB
V i
-
17
-
m
V
Signal-to-noise ratio
V i = 1 mV
(S + N)/N
-
48
-
dB
AF output voltage
V o
-
45
-
mV
Total harmonic distortion
THD
-
0.7
-
%
Signal handling
m = 80%; THD = 8%
V i
-
100
-
mV
FM performance (pin 2)
note 2
Limiting sensitivity
-
3dB
V i
-
2.3
-
m
V
Signal-to-noise ratio
V i = 2.5
m
V
(S + N)/N
-
26
-
dB
V i = 1 mv
(S + N)/N
-
60
-
dB
AF output voltage
V o
-
90
-
mV
Total harmonic distortion
THD
-
0.8
-
%
Signal handling
V i
-
100
-
mV
AM suppression
V< V i <
100 mV
m
AMS
-
40
-
dB
Notes to the quick reference data
1. All parameters are measured in the application circuit (see Fig.4) at nominal supply voltage V p = 3 V; T amb = 25 ° C;
unless otherwise specified. RF conditions: Input frequency 1 MHz; 30% modulated with f mod = 1 kHz; unless
otherwise specified.
2. All parameters are measured in the application circuit (see Fig.4) at nominal supply voltage V P = 3 V; T amb = 25 ° C;
unless otherwise specified. RF conditions: Input frequency 100 MHz; frequency deviation
D
f = 22.5 kHz and f mod = 1
kHz; unless otherwise specified.
February 1990
3
100
11018324.004.png
Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5591A
February 1990
4
11018324.005.png
Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5591A
February 1990
5
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