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參數(shù)資料
| 型號： | KA22427C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | AM/FM 1 Chip Radio(AM/FM單片收音電路) |
| 中文描述： | 調(diào)幅/調(diào)頻收音機芯片1（調(diào)幅/調(diào)頻單片收音電路） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 151K |
| 代理商： | KA22427C |
KA22427C
AM/FM 1 CHIP RADIO
INTRODUCTION
KA22427C is a monolithic integrated circuit designed for the portable
AM/FM radio or AM/FM clock radios.
16-DlP-300A
FUNCTIONS
AM RF & MIX
AM AGC
AM/FM DET
Regulator
AM Local OSC
AM/FM IF AMP
Audio Power AMP
FM AFC Control
FEATURE
Portable AM/FM 1-chip radio
Wide operating supply voltage range: V
= 3V ~ 12V (Approximately)
(Depending on the internal regulator tolerance)
Recommended operating suply voltage: V
CC
= 4.5V ~ 9V
ORDERING INFORMATION
On using AC line as an internal shunt regulator mode, it is possible to use low cost application without a
transformer (approximately 42mA).
IF AMP gain is determined by DC voltage appeared at IC Pin 16.
Power output: P
O
=0.28W (Min.) at THD =10% (V
CC
= 5.5V/8
).
BLOCK DIAGRAM
Fig. 1
Device
Package
Operating Temperature
KA22427C
16-DlP-300A
20
°
C ~+70
°
C
V
CC
R
L
4.5V
6.0V
7.5V
9.OV
Line Operated
8
16
45
O
O
O
X
X
O
O
O
O
X
O
O
O
O
O
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