TEA6825 データシートの表示（PDF） - Philips Electronics
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TEA6825 Datasheet PDF : 48 Pages
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Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6823T; TEA6825T
STEREO DECODER CHARACTERISTICS
Input signal (∆f = 75 kHz) VMPX(p-p) = 1.7 V; fmod = 1 kHz; de-emphasis time constant t = 50 µs; nominal input resistor
(pin 45) Ri = 168 kΩ; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
V44-4(rms);
V41-4(rms)
V44-4; V41-4
I44(max); I41(max)
V44-4/V41-4
Ro(44); Ro(41)
RLmin
αcs
S------N+-----N---
AF output voltage (RMS value)
DC output voltage
maximum output current
difference of output voltage
output resistance
minimum load resistor
channel separation (adjusted)
signal plus noise-to-noise ratio
f = 20 Hz to 15 kHz
800 900 1000 mV
3.1 3.6
150 −
−1
−
−
−
12
−
40
−
74
80
4.1 V
−
µA
+1
dB
600 Ω
−
kΩ
−
dB
−
dB
THD
total harmonic distortion
MPX input overdrive margin
THD = 1%
−
0.1 0.3 %
4
−
−
dB
Carrier and harmonic suppression at the output; note 1
α19
pilot signal
f = 19 kHz
−
50
−
dB
α38
subcarrier
f = 38 kHz
−
50
−
dB
α57
f = 57 kHz
−
50
−
dB
α76
f = 76 kHz
−
60
−
dB
α2
intermodulation
fmod = 10 kHz; fspur = 1 kHz −
60
−
dB
α3
fmod = 13 kHz; fspur = 1 kHz −
58
−
dB
α57
traffic radio (ARI)
f = 57 kHz
−
70
−
dB
α67
subsidiary communications
f = 67 kHz
authorization
70
−
−
dB
α114
adjacent channel frequency
f = 114 kHz
−
80
−
dB
α190
f = 190 kHz
−
70
−
dB
RR
ripple rejection at output
fr = 100 Hz; Vr = 100 mV (eff.) −
30
−
dB
Mono/stereo control
Vi(pil)
∆Vi(pil)
pilot threshold voltage
switch hysteresis Vi on/Vi off
stereo on
mono on
−
24
30
mV
8
20
−
mV
−
2
−
dB
External mono/stereo control; note 2
V17 − 0.75V21
control voltage channel separation see Fig.17
V43/V47 = 6 dB
V43/V47 = 16 dB
−
−110 −
mV
−
−40 −
mV
1998 Mar 24
14
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