TDA1597 Просмотр технического описания (PDF) - Philips Electronics
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TDA1597 Datasheet PDF : 24 Pages
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Philips Semiconductors
IF amplifier/demodulator for FM radio receivers
Product specification
TDA1597
SYMBOL
PARAMETER
External muting
V16
muting voltage at I2 = 0
S
steepness of control voltage
Internal mute α; note 1
α
mute voltage
I16
current for capacitor (pin 16)
charge current
discharge current
charge current
discharge current
Level detector
R6
output resistance pin 6
V6
output voltage at I2 = 0
output voltage at V2 = V5
∆V6
output voltage at detuning
TC
temperature coefficient
∆f
detuning frequency
S
steepness of control voltage
∆V6/∆f
S
slope of output voltage at
detuning
level shift adjustments
range by pin 2
gain
range by pin 2
gain
Note
1. α = 20 log ∆--∆---V-V---4-4--(--(F--F-M--M---–-–---M-M---U-U--T-T--E--E--–--–--O-O--F--N--F-)--)-
CONDITIONS
MIN. TYP. MAX. UNIT
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
slope: 100 µV ≤ V20 ≤ 100 mV; −
0.85 −
V/dec
20∆log V20 = 20 dB-∆----l∆-o---Vg----1V---6-2---0-
V16 ≥ Vref
−
V16 = 0.77Vref
1.5
V16 = 0.55Vref
−
V13 = 0 V
−
V13 = 0 V
−
V13 = Vref
−
V13 = Vref
−
−
V20 ≤ 5 µV (RMS); see Fig.14 0.1
V20 = 1 mV (RMS)
3.0
±200 kHz detuning
1.2
V20 ≤ 5 µV (RMS)
−
±45 kHz detuning
−
−
V6 = 1.8 V; see Fig.13
90
slope: 50 µV ≤ V20 ≤ 50 mV;
1.4
20∆log V20 = 20 dB-∆----l-o∆---g-V---V-6---2---0-
∆f = 125 ±20 kHz
−
0
−
−
4.5
20
−
−8
−
120
−
−100 −
120
−
−
500
−
1.1
−
4.2
1.5
1.8
−
0.3
−
0.2
3.3
−
−
160
1.7
2.0
35
−
dB
dB
dB
µA
µA
µA
µA
Ω
V
V
V
V
V
mV/VK
kHz
V/dec
mV/kHz
±∆V6/Vref
−∆V6/∆V2
±∆V16/Vref
−∆V16/∆V2
0.42 0.5
−
V/V
−
1.7
−
V/V
0.21 0.25 −
V/V
−
0.85 −
V/V
1997 Feb 27
7
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