參數(shù)資料
型號(hào): KA22497D
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FM Front End(FM前端)
中文描述: 調(diào)頻前端(調(diào)頻前端)
文件頁數(shù): 1/9頁
文件大?。?/td> 147K
代理商: KA22497D
FM FRONT END
KA22497/D
INTRODUCTION
The KA22497 is a monolithic integrated circuit designed
for the FM front end of portable radio cassettes or music
centers.
It consists of RF AMP, local OSC buffer and mixer.
Compared with conventional types, it is improved in the
following characteristics:
— Low supply voltage
— Strong input
— Spurious radiation
FEATURES
Wide supply voltage range: V
CC
= 1.6 V ~ 6.0 V
Low local oscillation stop voltage: V
STOP
= 0.9 V(Typ)
Improved inter-modulation characteristics by double
balanced type mixer circuit
Low spurious radiation
Built-in clamping diode in the mixer output stage
ORDERING INFORMATION
Device
Package
Operating Temperature
KA22497
9-SlP
-25
°
C ~+75
°
C
KA22497D
14-SOP
9-SIP
14-SOP
BLOCK DIAGRAM
Figure 1.
1
3
4
5
6
7
8
RF AMP
RF
BYPASS
RF
MIX IN
GND
MIX
OSC
OSC
9
OSC BUFF
MIX
LOCAL
OSC
V
REF
OUTPUT OUTPUT
V
CC
INPUT
OUTPUT
(8)
(11)
(12)
(13)
(14)
(3)
(4)
(5)
(7)
2
NOTE
: ( ) means KA22497D
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA22497-D 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM FRONT END
KA2249D 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM FRONT END FOR PORTABLE RADIO
KA224A 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad OP amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
KA224A_Q 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad OP amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
KA224AD 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad OP amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel