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參數(shù)資料
| 型號(hào)： | LA1862M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-chip Tuner System for Car Stereo(用于汽車立體聲的單芯片調(diào)諧器) |
| 中文描述： | 單芯片調(diào)諧器的汽車音響系統(tǒng)（用于汽車立體聲的單芯片調(diào)諧器） |
| 文件頁數(shù)： | 2/27頁 |
| 文件大小： | 683K |
| 代理商： | LA1862M |
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Operating Conditions
at Ta = 25°C
Parameter
Symbol
V
CC
V
CC
op
Conditions
Ratings
Unit
V
V
Recommended supply voltage
Operating supply voltage range
8.5
7.5 to 10
Operating Characteristics
at Ta = 25°C, V
CC
= 8.5 V, f = 10.7 MHz, unless otherwise noted SW-1
is off.
Parameter
Symbol
I
CCO
I
CC-100
Conditions
min
typ
45
47
max
70
72
Unit
mA
mA
Quiescent current
Current drain
No input signal
V
IN
= 100 dBμ
V
IN
= 100 dBμ, f = 1 kHz,
100% modulation, pin 15 output
Mono, V
IN
= 100 dBμ, f = 1 kHz,
100% modulation, pin 15 output
Stereo (L + R),
V
IN
= 100 dBμ, f = 1 kHz,
100% modulation, pin 15 output
V
IN
= 100 dBμ, f = 1 kHz,
100% modulation
V
IN
= 100 dBμ reference, 3 dB audio output
attenuation, IF input level, soft muting ON
V5 = 5 V, V
IN
= 100 dBμ, f = 1 kHz,
100% modulation
V5 = 2 V, V
IN
= 100 dBμ, f = 1 kHz,
100% modulation
V
IN
= 100 dBμ, V5 = 2 V
V
IN
= 100 dBμ, 400 Hz, 100% modulated FM
carrier. 1 kHz, 30% modulated AM interference
signal
No input signal
V
IN
= 100 dBμ
No input signal
V
IN
= 50 dBμ
V
IN
= 100 dBμ
IF input level at IF COUNT ON. SW-1 is ON.
V
IN
= 100 dBμ. SW-1 is ON.
f = 1 kHz
Pin 26 connected to ground
V
IN
= 100 mVp-p, 1 μs pulsewidth, f = 1 kHz
Demodulator output voltage
V
O
225
350
495
mVrms
Total harmonic distortion
THD 1
0.3
1.2
%
THD 2
0.3
1.2
%
Signal-to-noise ratio
S/N
64
71
dB
Input limiting voltage
V
IN lim
32
41
50
dBμ
Muting attenuation (1)
Mute
Att
21
25
29
dB
Muting attenuation (2)
Mute
Att
5
10
15
dB
Muting bandwidth
BW
Mute
135
200
305
kHz
AM rejection ratio
AMR
47
60
dB
Muting drive output voltage
V
5-0
V
5-100
V
1-0
V
1-50
V
1-100
3.5
4.7
V
0
0.3
0.5
2.7
7.4
62
480
S-meter output voltage
0.1
1.9
6.4
53
300
20
27
23
V
1.1
5.4
44
200
V
IF COUNT output sensitivity
IF buffer output voltage
Input impedance
Output noise voltage
Gate time
dBμ
mVrms
k
μV
μs
V
IF-ON
Z
in
V
NO
t
gate
13
35
Noise sensitivity
SN
V
IN
= 1 μs pulsewidth, f = 1 kHz
f = 1 kHz, 90% L+R signal modulation. 10% pilot
signal modulation, IHF bandpass filter.
Pilot signal level when the LED turns ON.
LED ON level - LED OFF level
CR =
|
(f – 456)/456 x 100
|
90% L + R signal modulation. 10% pilot signal
modulation. 67 kHz, 10% modulated SCA signal
V14 = 0.6 V, 90% L – R signal modulation. 10%
pilot signal modulation
V14 = 0.1 V, 90% L – R signal modulation. 10%
pilot signal modulation
V13 = 0.6 V, 90% L + R signal modulation. 10%
pilot signal modulation
V = 1.1 V, 90% L + R signal modulation. 10% pilot
signal modulation
f = 50 Hz, V = 100 mVrms
|
Pin 15 output – pin 16 output
|
Left channel adjusted and measured
DIN audio filter. See Note.
Minimum stereo drive current
I
L
= 10 mA
35
mVp-o
Channel separation
Sep
36
50
dB
Stereo indicator threshold level
Stereo indicator hysteresis
Capture range
1.0
2.5
3.2
±
1.2
5.0
6.5
%
dB
%
hy
C.R
SCA rejection ratio
SCA rej
75
dB
SNC output attenuation
Att
SNC
–12.0
–7.5
–3.0
dB
SNC output voltage
V
Osub
5
mV
High-out control attenuation
Att
HCC
1
–15
–5
0
dB
Att
HCC
2
–2.0
0
dB
Ripple rejection
Channel balance
R
r
CB
27
0
dB
dB
1.5
Pilot signal attenuation
15
22
dB
Stereo indicator LED current
Pin 25 saturation voltage
1.0
mA
V
1.0
Note: When a filter is not specified, connect an IHF bandpass filter to the MPX outputs.
LA1862M
No. 4092- 2/27
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