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参数资料
| 型号： | LV24230LP-A |
| 元件分类： | 调谐器 |
| 英文描述： | 1-BAND, AUDIO TUNER, QCC24 |
| 封装： | 4 X 4 MM, VQLP-24 |
| 文件页数： | 10/17页 |
| 文件大小： | 133K |
| 代理商： | LV24230LP-A |
LV24230LP-A
No.A0891-2/17
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC
Analog block supply voltage
3.0
V
Recommended supply voltage
VDD
Digital block supply voltage
3.0
V
VCC op
2.6 to 4.0
V
VDD op
2.5 to 4.0
V
Operating supply voltage range
VIO op
Interface voltage
1.62 to 4.0
V
Note : Supply voltage VIO equal VDD, or VIO < VDD & VIO > 0.65 VDD
Operating Characteristics at Ta = 25°C, VCC = 3.0V, VDD = 3.0V, Volume set at maximum,
Soft Mute = 1/Soft Stereo = off with the designated test circuit
Output level set with Radio Control 1 of control register map (0Dh Bit0, Bit1 set to ‘1’, ‘1’)
In addition, Set IF_OSC = 150kHz, IF_BW = 100% (Radio Control 1 : 0D Bit6, Bit7 set to ‘1’, ’1’)
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
ICCA
Analog block at 60dB
V EMF input
12
17
mA
Current drain
(in operation)
ICCD
Digital block at 60 dB
V EMF input
0.3
0.8
mA
ICCA
Analog standby mode
3
30
A
Current drain
(in standby)
ICCD
Digital standby mode
3
30
A
FM receive band
F_range
Refer to PCB mounting conditions to cover
the FM receive band of 76M to 108MHz
76
108
MHz
FM receive characteristics; MONO : fc = 80MHz, fm = 1kHz, 22.5kHzdev. Note that Soft_mute = 1, Soft_stereo function OFF, IHF-BPF used
3dB sensitivity
-3dB LS
60dB
V, 22.5kHzdev output standard,
-3dB input.
5
17
dB
V
EMF
Practical sensitivity 1
QS1
Input at S/N = 30dB
De-emphasis = 75
s, SG open display
8
16
dB
V
EMF
Practical sensitivity 2 (Reference)
QS2
Input at S/N = 26dB
De-emphasis = 75
s, SG terminal display
1.10
V
Demodulation output
Vo
60dB
V EMF, pin 19 output
80
110
160
mVrms
Channel balance
CB
60dB
V EMF, pin 18 output/pin 19 output
-2
0
2
dB
Signal-to-noise ratio
S/N
60dB
V EMF, pin 19 output
48
58
dB
Total harmonic distortion 1
(MONO)
THD1
60dB
V EMF, pin 19 output, 22.5kHz dev.
0.4
1.5
%
Total harmonic distortion 2
(MONO)
THD2
60dB
V EMF, pin 19 output, 75.0kHz dev.
1.3
3
%
Field intensity display level
FS
Reg1Dh_bit0 = OFF
Input level at which Reg02h_bit1-3 change
from 1 to 2.
3
10
20
dB
V
EMF
Mute attenuation
Mute-Att.
60dB
V EMF, pin 19 output
60
70
dB
FM receive characteristics ; STEREO characteristics : fc = 80MHz, fm = 1kHz, VIN = 60dBV EMF, Pilot = 10% (7.5kHzdev), MPX-Filter used
Separation
SEP
L-mod, pin 19 / pin 18 output
L+R signals = 30% (22.5kHz dev.)
20
35
dB
Total harmonic distortion (Main)
THD-ST1
Main-mod (for L + R input), 19 output
IHF_BPF L+R signals = 30% (22.5kHzdev.)
0.6
1.8
%
Interface block allowable operation range at Ta = -20 to +70
°C, VSS = 0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD
2.5
4.0
V
VIH
High-level input voltage range
0.7VDD
VDD
V
Digital block input
VIL
Low-level input voltage range
0
0.1VDD
V
Digital block output
IOL
Output current at Low level
2.0
mA
VOL
Output voltage at Low level IOL = 2mA
0.6
V
External clock operating frequency
fclk_ext
Clock frequency for external input
32k
32.768k
20M
Hz
Note : External clock input (pin 12) allows also input of the sine wave signal.
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