TEA6880 データシートの表示（PDF） - Philips Electronics
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TEA6880 Datasheet PDF : 88 Pages
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10 CHARACTERISTICS
FM part: input signal Vi(MPX)(p-p) = 1.89 V; m = 100% (∆f = ±75 kHz, fmod = 400 Hz); de-emphasis of 75 µs and series resistor at input RIN = 182 kΩ;
FM audio measurements are taken at pins 13 and 27.
Tone part: RS = 600 Ω; RL = 10 kΩ, AC-coupled; CL = 2.5 nF; CLK = square-wave (5 to 0 V) at 100 kHz; stereo source = A channel input; volume 1
attenuator = 0 dB; loudness = 0 dB, off; volume 2 attenuators = 0 dB; bass linear; treble linear; input voltage = 1 V, f = 1 kHz. Tone part audio
measurements are taken at pins 33 and 37. VCC = 8.3 to 8.7 V; VSS = 0; Tamb = 25 °C; unless otherwise specified.
This IC shall not radiate noise in the audio system such that it disturbs any other circuit. This IC shall also not be susceptible to the radiation of any
other circuit.
SYMBOL
PARAMETER
VCC
supply voltage
ICC
supply current
VHS
half supply voltage
Iref
reference current
FM signal path
Vi(MPX)(p-p)
∆Vi(MPX)
Ii
Ii(max)
Vo(rms)
∆Vout
αcs
MPX input signal (peak-to-peak value)
overdrive margin of MPX input signal
AF input current
maximum AF input current
AF mono output signal (RMS value)
AF mono channel balance
channel separation
THD
total harmonic distortion
S/N
signal-to-noise ratio
α19
pilot signal suppression
α38
subcarrier suppression
α57
α76
CONDITIONS
VCC = 8.5 V
VCC = 8.5 V
VCC = 8.5 V; Rext = 100 kΩ
Ri = 182 kΩ
THD = 1%
THD = 1%
91% modulation without pilot
without pilot; V13/V27
aligned setting of data byte 1, bit 0 to bit 3;
m = 30% modulation plus 9% pilot
L = 1; R = 0
L = 0; R = 1
Vi(MPX)(p-p) = 1.89 V; fmod = 1 kHz without pilot
Vi(MPX)(p-p) = 1.89 V; fmod = 5 kHz
L = 1; R = 0
L = 0; R = 1
f = 20 Hz to 15 kHz
f = 19 kHz
f = 38 kHz
f = 57 kHz
f = 76 kHz
MIN.
7.8
32
3.75
35
TYP.
8.5
40
4.25
37
MAX. UNIT
9.2 V
48 mA
4.75 V
39 µA
−
1.89 −
V
6
−
−
dB
−
3.66 −
µA
7.32 −
−
µA
890 1000 1110 mV
−1 −
+1 dB
40 47 70 dB
40 47 70 dB
−
0.1 0.3 %
−
0.1 0.3 %
−
0.1 0.3 %
75 78 −
dB
40 50 −
dB
35 50 −
dB
40 −
−
dB
50 60 −
dB
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