编辑: hys520855 | 2019-07-02 |
2 GENERAL DESCRIPTION The TEA5768HL is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated IF selectivity and demodulation. The radio is completely adjustment-free and only requires a minimum of small and low cost external components. The radio can be tuned to the European, US and Japanese FM bands.
3 ORDERING INFORMATION TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TEA5768HL LQFP32 plastic low pro?le quad ?at package;
32 leads;
body
7 *
7 * 1.4 mm SOT358-1
2004 Sep
13 4 Philips Semiconductors Product speci?cation Low-power FM stereo radio for handheld applications TEA5768HL
4 QUICK REFERENCE DATA VCCA = VCC(VCO) = VCCD. Note 1. LOW side and HIGH side selectivity can be switched by changing the mixer from HIGH side to LOW side LO injection. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCCA analog supply voltage 2.5 3.0 5.0 V VCC(VCO) voltage controlled oscillator supply voltage 2.5 3.0 5.0 V VCCD digital supply voltage 2.5 3.0 5.0 V ICCA analog supply current operating;
VCCA =
3 V 6.0 8.4 10.5 mA standby mode;
VCCA =
3 V ?
3 6 ?A ICC(VCO) voltage controlled oscillator supply current operating;
VVCOTANK1 = VVCOTANK2 =
3 V
560 750
940 ?A standby mode;
VVCOTANK1 = VVCOTANK2 =
3 V ?
1 2 ?A ICCD digital supply current operating;
VCCD =
3 V 2.1 3.0 3.9 mA standby mode;
VCCD =
3 V bus enable line HIGH
30 56
80 ?A bus enable line LOW
11 19
26 ?A fFM(ant) FM input frequency
76 ?
108 MHz Tamb ambient temperature VCCA = VCC(VCO) = VCCD = 2.5 V to
5 V ?10 ? +75 °C FM overall system parameters;
see Fig.5 VRF RF sensitivity input voltage fRF =
76 MHz to
108 MHz;
?f = 22.5 kHz;
fmod =
1 kHz;
(S+N)/N =
26 dB;
de-emphasis =
75 ?s;
L = R;
BAF =
300 Hz to
15 kHz ?
2 3.5 ?V S?200 LOW side
200 kHz selectivity ?f = ?200 kHz;
fRF =
76 MHz to
108 MHz;
note
1 32
36 ? dB S+200 HIGH side
200 kHz selectivity ?f = +200 kHz;
fRF =
76 MHz to
108 MHz;
note
1 39
43 ? dB VAFL;
VAFR left and right audio frequency output voltage VRF =
1 mV;
L = R;
?f = 22.5 kHz;
fmod =
1 kHz;
de-emphasis =
75 ?s
60 75
90 mV (S+N)/N maximum signal plus noise-to-noise ratio VRF =
1 mV;
L = R;
?f = 22.5 kHz;
fmod =
1 kHz;
de-emphasis =
75 ?s;
BAF =
300 Hz to
15 kHz
54 60 ? dB αcs(stereo) stereo channel separation VRF =
1 mV;
R = L =
0 or R =
0 and L =
1 including
9 % pilot;
?f =
75 kHz;
fmod =
1 kHz;
data byte
3 bit
3 = 0;
data byte
4 bit
1 =
1 24
30 ? dB THD total harmonic distortion VRF =
1 mV;
L = R;
?f =
75 kHz;
fmod =
1 kHz;
de-emphasis =
75 ?s ? 0.4
1 %
2004 Sep
13 5 Philips Semiconductors Product speci?cation Low-power FM stereo radio for handheld applications TEA5768HL This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ...
5 BLOCK DIAGRAM mhc275 I/Q-MIXER 1st FM IF CENTRE FREQUENCY ADJUST
100 pF
22 nF VCCA
28 25
26 27
24 23
22 21
20 27 pF L1
47 pF
22 ?F
29 30
31 32 RFI1 Igain AGND FM antenna VCCA RFGND RFI2 TAGC LOOPSW