參數(shù)資料
型號： TUA4307
廠商： INFINEON TECHNOLOGIES AG
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝： MQFP-80
文件頁數(shù)： 33/48頁
文件大?。?/td> 952K
代理商： TUA4307
Reference
5 - 8
TUA 4307
Wireless Components
Specification, September 1999
Table 5-3 AC/DC Characteristics with Tamb 25 °C, Vs = 8.5 V (continued)
Parameter
Symbol
Limit Values
Unit
Test Conditions
L
Item
min
typ
max
Muting depth
A56,57
70
75
dB
V6=2.4V
19
DC-offset at mute
DC 56,57
-100
0100
mV
110
DC-offset stereo on/off
DC 56,57
-100
0100
mV
111
Carrier and harmonic suppression (referenced to V56,57=780 mVrms)
Pilotsignal (f=19kHz) subcarrier
α
19
40
45
dB
11
(f=38kHz)
α
38
40
50
dB
12
(f=57kHz)
α
57
40
50
dB
13
Mono/Stereo control Pilot threshold voltage:
For stereo”on”
VPILon
20
30
mVrms
11
For stereo”off”
VPILoff
5
14
mVrms
12
Hysteresis
3
dB
VPILon / VPILoff
s
3
Stereo-indicator output
Pilot off
V61off
0.5
VI61=1mA
4
Pilot on
I61on
10
A
5
external control voltages (active low)
Operational voltage for external,
mono control (pin 62)
V64 thr
1
V
16
Operational voltage for
AM/FM (pin 52)
V52thr
1
VAM on
17
Deemphasis
Reference frequency = 400Hz; Cdeemph=10nF; τnom=75 s
Minimum FM
Amin FM
5
79
dB
V59≥3.8V; fm=5kHz
18
Maximum FM
Amax FM
12
15
18
dB
V59=1.5 V; fm=5kHz
19
Minimum AM
Amin AM
5
79
dB
V59≥3.4V; fm=5kHz
110
Maximum AM
Amax AM
12
15
18
dB
V59=1.5V; fm=5kHz
111
Stereo/Mono blend control :
Channel separation
aSep
28
dB
V60=3.8V
11
Channel separation
aSep
3
dB
V60=3.3V
12
Oscillator
Max. Osc. frequency
foscmax
0.7
1.0
2.0
%
100 % x (fmax /912kHz-1)
13
Min. Osc. frequency
foscmin
-2.0
-1.0
-0.7
%
100 % x (fmax /912kHz-1)
14
VCO-gain
-41
-32
-21
kHz/V
f/V
62
15
Oscillator voltage
2.5
45.5
VV65 DC
s
6
Oscillator swing
250
350
450
mVrms
V65 AC
17
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