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參數資料
| 型號： | LA1844 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 調諧器 |
| 英文描述： | 2-BAND, AUDIO TUNER, PDSO24 |
| 封裝： | 0.300 INCH, MFP-24 |
| 文件頁數： | 8/11頁 |
| 文件大小： | 821K |
| 代理商： | LA1844 |
LA1844,LA1844M
No.7930A-6/11
Pin Functions
Pin No.
Function
Pin voltage
(V)
Equivalent circuit
Notes
1
FM IF input
Vreg
Input impedance Ri = 330
2
AM mixer output
VCC
Connect the mixer coil between this pin and VCC
3
REG
2.1
Vreg = 2.4V
4
AM IF input
Vreg
Input impedance Ri = 2k
5
GND
0
6
7
Tu-LED
ST-LED / AM-IF
output
VCC
Active low
Open collector
8
FM detector
VCC
The 600BEAS-10471 (Toko Mfg. Co., Ltd.) is
recommended for detector coil.
9
VCC
5.0
10
AM / FM IF
counter output,
output control
switch,
mute switch
0
V10 ≤ 0.5V : Reception state (Normal)
1.4V
≤ V10 ≤ 2.2V : Muting on (Mute)
V10 ≥ 3.5V : IF counter output and muting on
(Seek)
11
Phase comparator
low-pass filter
(AM/FM switching)
VCC-1.0
The device operates in AM mode when a current
of over 200
A flows from pin 12.
Continued on next page.
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| LA1844 | 2-BAND, AUDIO TUNER, PDSO24 |
| LA1845NM | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
| LA1845NM | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
| LA1845NV | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA1844M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Home Stereo Single-chip Tuner IC |
| LA1844MC | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Home Stereo Single-chip Tuner IC |
| LA1844MC-AH | 功能描述:調諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數: 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| LA1845N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Home Stereo IC |
| LA1845N_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Home Stereo IC Single-Chip Tuner IC |
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