TEA5581 Просмотр технического описания (PDF) - Philips Electronics
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TEA5581 Datasheet PDF : 16 Pages
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Philips Semiconductors
PLL stereo decoder
Product specification
TEA5581
TEA5581T
AC CHARACTERISTICS
Measured in the circuit of Fig.7; VS = 8.5 V; Tamb = 25 °C; AC measurements have an input MUX-signal of 1 V
(peak-to-peak); Vpilot = 32 mV (9%); fm = 1 kHz; oscillator adjusted to 228 kHz at Vi = 0 V; values are measured with an
external roll-off network of 50 kHz (2 dB down at 38 kHz) at the input (dashed components RS and CS in Fig.7); unless
otherwise specified
PARAMETER
Transimpedance
Input current (RMS value)
Overall gain
AF output voltage
(RMS value)
AF output voltage
(RMS value)
Total harmonic distortion
Output voltage
Output channel
unbalanced
Channel separation
S/N ratio
SDS control
Channel separation
Full stereo
Full mono
Stereo/mono switch
Switching to:
stereo
mono
Hysteresis
CONDITIONS
mono; R3 = 47 kΩ
SYMBOL
VO/II
II(rms)
Go(Vo/Vi)
MIN.
TYP.
0.13 0.15
−
−
9.0 10.0
V12 = V16 0.95 1.14
note 1;
VO (rms) = 1 V
THD = 1%
V2 = V14
−
−
THD
−
0.1
V12 = V16
−
1.5
IF roll-off
frequency = 50 kHz
L = 1; R = 0
bandwidth
20 Hz to 16 kHz
bandwidth IEC 79
(curve Din A)
see Fig.6
V4 = 1.0 V
channel separation
≥ 26 dB
channel separation
≤ 1 dB
note 2; see Fig.5;
R4 = 180 kΩ
V12 = V16
α
S/N
S/N
α
V4
V4
−
0.2
26 40
−
76
−
82
5 10
−
1.2
0.75 0.8
Vpilot
Vpilot
∆VI
−
14
4
−
−
4.5
MAX. UNIT
0.17 V/µA
12
µA
11.0 dB
1.33 V
500 mV
0.5 %
−
V
1.0 dB
−
dB
−
dB
−
dB
15
dB
1.25 V
−
V
20
mV
−
mV
−
mV
June 1989
6
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