Philips Semiconductors
Product specification
Self Tuned Radio (STR)
TEA5757; TEA5759
STEREO DECODER CHARACTERISTICS
Vi3(L + R) = 155 mV; Vpilot = 15.5 mV; f = 1 kHz; apply unmodulated RF signal of 100 mV to front-end to set radio to
maximum channel separation; soft mute off (S4 in position A); unless otherwise specified.
SYMBOL
PARAMETER
AF output voltage
CONDITIONS
MIN.
TYP.
160
MAX.
UNIT
mV
V14/15
−
−
Vpilot(s)
Vpilot(m)
switch to stereo
switch to mono
−
8
12
−
mV
mV
dB
dB
%
2
5
VAF-L/Vi3 MPX voltage gain
−1.5
−
−
+1.5
−
(S+N)/N
THD
αcs
signal plus noise-to-noise ratio
V
pilot = 15.5 mV (stereo)
74
0.5
30
32
21
30
1
total harmonic distortion
channel separation
−
1.0
−
26
dB
dB
dB
dB
dB
dB
dB
α19
carrier and harmonic suppression
19 kHz (200 mV) = 0 dB 27
−
α38
38 kHz
16
22
−
−
α
stereo-blend
Vi5 = 200 µV
−
Vi5 = 20 µV
2
mute(s)
soft mute depth
Vi5 = 3 µV; V14 = V15
Vi5 = 1 µV; V14 = V15
−1
−
0
−
−6
−10
TUNING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VFM
FM voltage levels
α
α
α
−3 dB-point at Vi5 = 2 µV
S0 = 1; S1 = 1
S0 = 0; S1 = 1
S0 = 1; S1 = 0
S0 = 0; S1 = 0
−3 dB-point at Vi5 = 2 µV
S0 = 1; S1 = 1
S0 = 0; S1 = 1
S0 = 1; S1 = 0
S0 = 0; S1 = 0
−3 dB-point at Vi5 = 2 µV
FM mode
high (auto-store/search)
medium (auto-store/search)
low (auto-store/search)
60
10
4
150
30
10
5
500
55
20
9
µV
µV
µV
µV
nominal (preset mode/tuning indication)
AM voltage levels
3
VAM
high (auto-store/search)
medium (auto-store/search)
low (auto-store/search)
400
50
1000
63
2500
80
µV
µV
µV
µV
32
40
50
nominal (preset mode/tuning indication)
AFC voltage off mode
25
28
40
VAFC(off)
mute(h)
−
−
−
3
−
−
−
µV
µV
dB
AM mode
25
60
hard mute depth
WRITE-ENABLE = HIGH
1999 Aug 26
15
NXP [ NXP ]
