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TDA1575 데이터시트(Datasheet) 5 Page - NXP Semiconductors

부품명 TDA1575
상세내용  FM front end circuit for CENELEC EN 55020 applications
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
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 5 page
background image
April 1993
5
Philips Semiconductors
Preliminary specification
FM front end circuit for
CENELEC EN 55020 applications
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
supply voltage (pin 13)
7
8.5
10
V
IP
supply current
without mixer
16
23
30
mA
VREF
reference voltage (pin 5)
I5 ≤ 3 mA
3.9
4.2
4.4
V
Mixer
I14+15
mixer supply current (pins 14 and 15)
4
mA
V1,2
DC voltage input (pins 1 and 2)
1
V
Z1,2
input impedance
14
−Ω
V14,15
DC output voltage (pins 14 and 15)
4
10
V
C14,15
output capacitance
13
pF
GP
conversion power gain
note 1
14
dB
EMF1IP3
3rd order intercept point
115
dB
µV
NF
noise figure
9
dB
total noise figure
including
transforming network
11
dB
Oscillator
V7,8
DC input voltage (pins 7 and 8)
1.3
V
V6
DC output voltage (pin 6)
2.0
V
∆f
residual FM at pin 6
f = 300 to 15000 Hz;
de-emphasis 50
µs
2.2
Hz
Oscillator buffered output (pin 9)
VO
output signal (RMS value)
RL= 500 Ω; CL= 2 pF
75
−−
mV
V9
DC output voltage
6
V
R9
DC output resistor
950
−Ω
THD
total harmonic distortion
−−15
dBC
fS
spurious frequencies
EMF1 = 2 V;
RS = 50 Ω;
fOSC = 108.7 MHz
−−37
dBC
Automatic gain control (AGC)
R3
input resistance (pin 3)
4
k
C3
input capacitance
3
pF
V16
AGC output swing (DC)
Figs 3 and 4
0.5
VP − 0.3 V
I16
output current at I3 = 0
V16 = 12VP
−25
−50
−150
µA
output current at U3 = 2 V
V16 = 7 to 10 V
2
5mA
EMF2
threshold (RMS value)
I16 = 0; V16 = 12VP;
Figs 4 and 5
17
mV




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