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TEA6850 Fiches technique(PDF) 10 Page - NXP Semiconductors

No de pièce TEA6850
Description  IF filter / amplifier / demodulator for FM radio receivers
Download  20 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA6850 Fiches technique(HTML) 10 Page - NXP Semiconductors

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July 1994
10
Philips Semiconductors
Preliminary specification
IF filter / amplifier / demodulator for FM
radio receivers
TEA6850
RR
power supply ripple rejection
f = 200 Hz to 20 kHz;
38
−−
dB
Vrmax = 100 mV (on VP);
ripple at MPX output
α
AM
AM suppression
fmod = 400 Hz;
50
dB
modulation = 30%
500
µV < EMF < 100 mV
40
44
dB
RDS output (pin 1)
ZO
output impedance
−−
1k
RL
load resistance
15
−−
k
CL
load capacitance
−−
50
pF
V1
RDS signal output voltage
fmod = 57 kHz; ∆f = 2 kHz;
4
6
mV
RL = ∞; CL = 0
tswitch
switch on time
−−
500
ms
10.7 MHz input (pins 14 and 15)
Ri
input resistance
3.5
5
6.5
k
Ci
input capacitance
−−
5pF
V14
residual oscillator signal
fosc/2 = 11 mHz; RG = 300 Ω−
30
µV
Crystal
f0
standard frequency
22
MHz
∆f
0/f0
frequency tolerance
−100 −+100 ppm
C0
shunt capacitance
−−
7pF
RS
equivalent series resistance
−−
120
∆T0/T0
temperature drift
−40 °C < T < +85 °C
−50
+ 50
ppm
Oscillator (measured at pin 18)
V18
22 MHz output level
13
20
40
mV
OUT300Q, I output (pins 21 and 22; ROUT300 = 33 KΩ; see Fig.4)
V21,22
output voltage
EMF = 75 mV
7
12
14
mV
|V21|−|V22|
I, Q output level difference
−−
1.5
mV
TC
temperature coefficient of
3.3
10−3/K
output voltage
ZO
output impedance
1.26
k
Turnable filter (
−40 °C<T<+85 °C; filter response see Fig.5)
∆F
0
frequency temperature shift
−10
0
+10
kHz
∆B
bandwidth temperature shift
−50
+3
kHz
Bmax
maximum adjustable
V13 = 0 V
70
80
kHz
bandwidth
Bmin
minimum adjustable
20
kHz
bandwidth
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT


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