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TDA1597T 데이터시트(Datasheet) 7 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 

 7 page
background image
1997 Feb 27
7
Philips Semiconductors
Product specification
IF amplifier/demodulator for FM radio receivers
TDA1597
Note
1.
External muting
V16
muting voltage at I2 =0
V20 ≤ 5 µV (RMS); see Fig.12
1.45
1.75
2.05
V
V20 = 1 mV (RMS)
3.0
3.45
3.9
V
S
steepness of control voltage
slope: 100
µV ≤ V20 ≤ 100 mV;
0.85
V/dec
Internal mute
α; note 1
α
mute voltage
V16 ≥ Vref
0
dB
V16 = 0.77Vref
1.5
4.5
dB
V16 = 0.55Vref
20
dB
I16
current for capacitor (pin 16)
charge current
V13 =0V
−−8
−µA
discharge current
V13 =0V
120
−µA
charge current
V13 =Vref
−−100
−µA
discharge current
V13 =Vref
120
−µA
Level detector
R6
output resistance pin 6
−−
500
V6
output voltage at I2 =0
V20 ≤ 5 µV (RMS); see Fig.14
0.1
1.1
V
V20 = 1 mV (RMS)
3.0
4.2
V
±200 kHz detuning
1.2
1.5
1.8
V
output voltage at V2 =V5
V20 ≤ 5 µV (RMS)
−−
0.3
V
∆V6
output voltage at detuning
±45 kHz detuning
−−
0.2
V
TC
temperature coefficient
3.3
mV/VK
∆f
detuning frequency
V6 = 1.8 V; see Fig.13
90
160
kHz
S
steepness of control voltage
slope: 50
µV ≤ V20 ≤ 50 mV;
1.4
1.7
2.0
V/dec
∆V
6/∆f
slope of output voltage at
detuning
∆f = 125 ±20 kHz
35
mV/kHz
S
level shift adjustments
range by pin 2
±∆V6/Vref
0.42
0.5
V/V
gain
−∆V6/∆V2
1.7
V/V
range by pin 2
±∆V16/Vref
0.21
0.25
V/V
gain
−∆V16/∆V2
0.85
V/V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
20
V
20
log
20 dB
∆V
16
V
20
log
---------------------
=
20
V
20
log
20 dB
∆V
6
V
20
log
---------------------
=
α
20
∆V
4FM
MUTE
OFF
()
∆V
4FM
MUTE
ON
()
-------------------------------------------------------
log
=




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