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參數(shù)資料
| 型號(hào)： | LV25700PM |
| 元件分類(lèi)： | 調(diào)諧器 |
| 英文描述： | AUDIO TUNER, PQFP80 |
| 封裝： | 20 X 14 MM, QIP-80 |
| 文件頁(yè)數(shù)： | 18/22頁(yè) |
| 文件大?。?/td> | 746K |
| 代理商： | LV25700PM |
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LV25700PM
No.A1709-5/68
AC Characteristics
Operating Characteristics at Ta = 25°C, VCC = 8.0V, VDD = 5.0V, unless otherwise specified. Ratings for
publications
* : These measurements are made using the Yamaichi Electronics IC51-0804-819-2 IC socket. An IHF bandpass filter
is used as the audio filter.
[FM Characteristics] FM Front End Mixer Input
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain-8V
ICCOF-8V
No input, FM mode
I1+I2+I15+I68+I80
60
73
85
mA
Current drain-5V
ICCOF-5V
No input, FM mode
I35+I53+I74
37
45
52
mA
Demodulation output
VO-FM_1
98.1MHz, 60dB
μV, 1kHz,
100%mod, pin 49
400
550
700
mVrms
Detection output
VO-FM_2
98.1MHz, 60dB
μV, 1kHz,
100%mod, pin 60
280
380
480
mVrms
Channel balance
CB
98.1MHz, 60dB
μV, 1kHz, pins 49 and 50
-1
0
1
dB
Total harmonic distortion
THD-Fm mono (1)
98.1MHz, 60dB
μV, 1kHz,
100%mod, pin 49
0.2
1
%
Total harmonic distortion
THD-Fm mono (2)
98.1MHz, 60dB
μV, 1kHz,
150%mod, pin 49
0.3
2.5
%
Signal to noise ratio (MONO)
S/N-FM-MONO
98.1MHz, 60dB
μV, 1kHz,
100%mod, pin 49
60
70
dB
Signal to noise ratio (ST)
S/N-FM-ST
98.1MHz, 60dB
μV, 1kHz,
100%mod, pin 49, L+R = 90%, pilot = 10%
58
65
dB
AM suppression ratio
AMR
98.1MHz, 60dB
μV, 1kHz, 100%mod,
30% in AM mode, fm = 400Hz, pin 49
58
67
dB
Muting attenuation (1)
Att-1
98.1MHz, 60dB
μV, 1kHz,
with V64 = 0
→2V, pin 49 attenuation
(Mute ATT SW = 0)
-30
-25
-20
dB
Muting attenuation (2)
Att-2
98.1MHz, 60dB
μV, 1kHz,
with V64 = 0
→2V, pin 49 attenuation
(Mute ATT SW = 2)
-23
-18
-13
dB
Muting attenuation (3)
Att-3
98.1MHz, 60dB
μV, 1kHz,
with V64 = 0
→1V, pin 49 attenuation
(Mute ATT SW = 2)
-11
-6
-1
dB
Separation
98.1MHz, 60dB
μV, mod = 100%,
pilot = 10%, pin 49 output ratio
Separation control adj
27
43
dB
Stereo ON level
ST-ON
Pilot demodulation at which V27 < 0.5V is
established
1.5
3.8
5.5
%
Stereo OFF level
ST-OFF
Pilot demodulation at which V27 < 3.0V is
established
1.2
3.2
%
Main distortion factor
THD-Main L
98.1MHz, 60dB
μV, L+R = 90%,
pilot = 10%, pin 49
0.5
1.2
%
SNC output attenuation
AttSNC
98.1MHz, 40dB
μV, L-R = 90%,
pilot = 10%, pin 49 (L
→R)
5
10
15
dB
HCC output attenuation
FM HCC
98.1MHz, 60dB
μV, 10kHz,
modulation = 30% reference, input level at
which the output is down by -3dB
24
30
36
dB
μV
Input limiting voltage
Vi-lim
98.1MHz, 60dB
μV, 30%mod, MIX input at
which the input reference output is down
by -3dB, V42 = 0V, V29 = 0V,
with MUTE = OFF
-6
-1
4
dB
μV
Muting sensitivity
Vi-mute
MIX input level at V64 = 0.7V, non-mod
0.1
5
9.9
dB
μV
SD sensitivity
SD-senFM
MIX input level at which SD pin is ON, shifter-
adj, non-mod
20
25
30
dB
μV
IF count sensitivity
IF-count-sens. FM
IF count sensitivity at MIX input, non-mod
20
dB
μV
Continued on next page.
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