TDA1574T Просмотр технического описания (PDF) - Philips Electronics
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TDA1574T Datasheet PDF : 13 Pages
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Philips Semiconductors
Integrated FM tuner for radio receivers
Product specification
TDA1574T
PARAMETER
CONDITIONS
SYMBOL
Wideband threshold
(RMS value)
(see Figs 3, 4, 5 and 6)
at V14 = 0.7 V;
V20 = VP/2; I20 = 0
Oscillator output buffer
EMF2(rms)
(pin 9)
DC output voltage
Oscillator output voltage
(RMS value)
at RL = oo; CL = 2 pF
at RL = 75 Ω
DC output resistance
Signal purity
Total harmonic distortion
Spurious frequencies
at EMF 1 = 1 V; RS1 = 50 Ω
Electronic standby switch
V9
V9(rms)
V9(rms)
R9-17
THD
fS
(pin 11)
Oscillator; linear IF
amplifier; AGC
Tamb = −40
to + 85 °C
Input switching voltage
for threshold ON
V20 = > VP−3 V
V13
for threshold OFF
V20 = < 0.5 V
V13
Input current
at ON condition
V13 = 0 V
−I13
at OFF condition
V13 = 23 V
−I13
Input voltage
I13 = 0
V13
Notes to the characteristics
1. Power gain conversion is equated by the following equation:
10 log -4----((---EV----MM-----F(--o--1-u---t-)--9-1--8-0----.-7M----M--H----H-z---)z---2-)---2- x R-R----MS----1L-
2. Voltage gain is equated by the following equation:
20 log V-----1V--6---1-–-2--1---5-
MIN.
−
−
−
30
−
−
−
0
3.3
−
−
−
TYP. MAX. UNIT
17
−
mV
6
−
V
110
−
mV
50
−
mV
2.5
−
kΩ
−15
−
dB
−35
−
dB
−
2.3
V
−
23
V
−
150
µA
−
10
µA
−
4.4
V
August 1990
8
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