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TDA1597T 데이터시트(Datasheet) 2 Page - NXP Semiconductors

부품명 TDA1597T
상세내용  IF amplifier/demodulator for FM radio receivers
PDF  24 Pages
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo 

 
 2 page
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1997 Feb 27
2
Philips Semiconductors
Product specification
IF amplifier/demodulator for FM radio receivers
TDA1597
FEATURES
• Balanced limiting amplifier
• Balanced coincidence demodulator
• Two open-collector stop pulse outputs for
microcomputer tuning control
• Simulated behaviour of ratio detector (internal field
strength and detuning dependent voltage for dynamic
AF signal muting)
• Mono/stereo blend field strength indication control
voltage
• AFC output
• 3-state mode switch for FM-MUTE-ON, FM-MUTE-OFF
and FM-OFF
• Internal compensation of AF signal Total Harmonic
Distortion (THD)
• Built-in hum and ripple rejection circuits.
GENERAL DESCRIPTION
The TDA1597 provides IF amplification, symmetrical
quadrature demodulation and level detection for quality
home and car FM radio receivers and is suitable for mono
and stereo reception. It may also be applied to common
front-ends, stereo decoders and AM receivers circuits.
All pin numbers mentioned in this data sheet refer to the
SO version (TDA1597T) unless otherwise specified.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
7.5
8.5
12
V
IP
supply current (l2 =I7 =0)
20
26
mA
ViIF(rms)
IF input sensitivity for limiting on pin 20
(RMS value)
14
22
35
µV
VoAF(rms)
AF output signal on pin 4 (RMS value)
180
200
220
mV
S/N
signal-to-noise ratio
fm = 400 Hz;
∆f= ±75 kHz
82
dB
THD
total harmonic distortion
fm = 1 kHz;
∆f= ±75 kHz
0.1
0.3
%
K2 adjustment and
FM-MUTE-OFF
0.07
0.25
%
Tamb
operating ambient temperature
−40
+85
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA1597
DIP18
plastic dual in-line package; 18 leads (300 mil)
SOT102-1
TDA1597T
SO20
plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1




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