參數(shù)資料
型號(hào)： LV25400W
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： 10 X 10 MM, SQFP-64
文件頁(yè)數(shù)： 5/10頁(yè)
文件大?。?/td> 393K
代理商： LV25400W
LV25400W
No.A0633-4/42
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 IC51-0644-807 IC socket. An IHF bandpass filter is
used as the audio filter.
FM Characteristics - FM Front End Mixer Input (No dummy)
Applied voltage
CCB Command
Parameter
Symbol
Conditions
P
in
25
/26
Pin
32
Pin
50
Pin
64
IN1
IN2
IN3
-1
IN3
-2
min
typ
max
unit
DC Characteristics
Current drain-8V FM
ICCO-8V FM
No input, FM mode
I2+I54+I55+I58
3
15 13 25 25
38
48
56
mA
Current drain-5V FM
ICCO-5V FM
No input, FM mode
I13+I22+I40
3
15 13 25 25
31
40
46
mA
Current drain-8V FM
ICCO-8V FM2
No input, FM mode,
IFAGC-Wide = OFF
I2+I54+I55+I58
3
15 13 27 25
36
46
51
mA
Current drain-5V FM
ICCO-5V FM2
No input, FM mode
I13+I22+I40
3
15 13 27 25
23
32
37
mA
Regulator bias 3V
VREG3V
The pin 23 voltage
3
15 13 25 25
2.7
3
3.3
V
Regulator bias 4V
VREG4V
The pin 24 voltage
3
15 13 25 25
3.6
4
4.4
V
FM antenna dump
output current
IANTD-F
With 6.0V applied to pin 64
The pin 63 output current
0
6
15 13 25 25
5
8
12
mA
Crystal oscillator
frequency
FXTAL
D2-5, 6, 7 = [110]
3
62 48 25 25
4.5
MHz
Crystal oscillator level
VXTAL
D2-5, 6, 7 = [110] (reference value)
3
62 48 25 25
15
30 mVrms
Crystal oscillator
buffer level
VXTAL OSC
OUT2
D2-5, 6, 7 = [110]
3
62 48 25 25
115
165
mVrms
VSMFM-1
10dB
V, the pin 38 DC output, no
modulation
3
62 50 38 25B
0.65
0.95
1.25
V
VSMFM-2
30dB
V, the pin 38 DC output, no
modulation
3
62 50 38 25B
0.95
1.25
1.55
V
VSMFM-3
50dB
V, the pin 38 DC output, no
modulation
3
62 50 38 25B
2.10
2.15
2.20
V
VSMFM-4
70dB
V, the pin 38 DC output, no
modulation
3
62 50 38 25B
3.1
3.4
3.7
V
S-meter DC output
* : Adjust the shifter
bits with a 50dB
V
input.
VSMFM-5
90dB
V, the pin 38 DC output, no
modulation
3
62 50 38 25B
3.7
4
4.3
V
Total gain from mixer
to DIV IF amplifier
GMXDIV
FM_MIX_IN,DIV_OUT_IF (pin 31)
Ratio of the input to output signal
levels
98.1MHz mod = off, 70dB
V-Input
1.5
62 50 38 25
18.5
21.5
24.5
dB
DIV IF amplifier gain
GDIVIF
IF_N_IN1 (pin 45),
DIV_OUT_IF (pin 31)
Ratio of the input to output signal
levels
10.7MHz mod = off, 88dB
V-Input
3
62 50 38 25
4.5
7.5
10.5
dB
1dB compression
point driver IF
1DB POINT DIF
IF_N_IN1 (pin 45),
DIV_OUT_IF (pin 31)
Ratio of the input to output signal
levels 10.7MHz mod = off
3
62 50 38 25
111
dB
Narrow IF AGC grain
(FM)
GIFAGCNF1
FM_ANALOG_IN (pin 45),
10.7OUTN (pin 29) Ratio of the input
to output signal levels
10.7MHz mod = off 100dB
V-Input
[D32-28 to 25] = 1011,
With 0V applied to pin 26
0
62 50 38 25
-3.1
-0.6
1.9
dB
Narrow IF AGC grain
(FM)
GIFAGCNF2
FM_ANALOG_IN (pin 45),
10.7OUTN (pin 29) Ratio of the input
to output signal levels
10.7MHz mod = off 80dB
V-Input
[D32-28 to 25] = 1011,
With 3V applied to pin 26
3
62 50 38 25
16.9
21.4
25.9
dB
Continued on next page.
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