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PDF TDA1575T Data sheet ( Hoja de datos )
| Número de pieza | TDA1575T | |
| Descripción | FM front end circuit for CENELEC EN 55020 applications | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA1575T
FM front end circuit for
CENELEC EN 55020 applications
Preliminary specification
Supersedes data of October 1990
File under Integrated Circuits, IC01
April 1993
1 page  
Philips Semiconductors
FM front end circuit for
CENELEC EN 55020 applications
Preliminary specification
TDA1575T
CHARACTERISTICS
VP = 8.5 V and Tamb = +25°C, measurements taken in Fig.1 with f0 = 98 MHz (EMF1) unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VP
IP
VREF
Mixer
supply voltage (pin 13)
supply current
reference voltage (pin 5)
without mixer
I5 ≤ 3 mA
7
8.5 10
V
16 23 30 mA
3.9 4.2 4.4 V
I14+15
V1,2
Z1,2
V14,15
C14,15
GP
EMF1IP3
NF
mixer supply current (pins 14 and 15)
DC voltage input (pins 1 and 2)
input impedance
DC output voltage (pins 14 and 15)
output capacitance
conversion power gain
3rd order intercept point
noise figure
total noise figure
note 1
including
transforming network
−
−
−
4
−
−
−
−
−
4−
1−
14 −
− 10
13 −
14 −
115 −
9−
11 −
mA
V
Ω
V
pF
dB
dBµV
dB
dB
Oscillator
V7,8 DC input voltage (pins 7 and 8)
V6 DC output voltage (pin 6)
∆f residual FM at pin 6
f = 300 to 15000 Hz;
de-emphasis 50 µs
−
−
−
1.3 −
2.0 −
2.2 −
V
V
Hz
Oscillator buffered output (pin 9)
VO
V9
R9
THD
fS
output signal (RMS value)
DC output voltage
DC output resistor
total harmonic distortion
spurious frequencies
Automatic gain control (AGC)
RL= 500 Ω; CL= 2 pF
EMF1 = 2 V;
RS = 50 Ω;
fOSC = 108.7 MHz
75
−
−
−
−
−−
6−
950 −
−15 −
−37 −
mV
V
Ω
dBC
dBC
R3
C3
V16
I16
EMF2
input resistance (pin 3)
input capacitance
AGC output swing (DC)
output current at I3 = 0
output current at U3 = 2 V
threshold (RMS value)
− 4 − kΩ
− 3 − pF
Figs 3 and 4
V16 = 1⁄2VP
0.5 −
VP − 0.3 V
−25 −50 −150 µA
V16 = 7 to 10 V
I16 = 0; V16 = 1⁄2VP;
Figs 4 and 5
2
−
−5
17 −
mA
mV
April 1993
5
5 Page 
Philips Semiconductors
FM front end circuit for
CENELEC EN 55020 applications
Preliminary specification
TDA1575T
Fig.10 Internal circuits.
April 1993
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TDA1575T.PDF ] | |
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