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CXA2581N PDF预览

CXA2581N

更新时间: 2024-02-19 01:23:50
品牌 Logo 应用领域
索尼 - SONY 消费电路商用集成电路光电二极管ISM频段
页数 文件大小 规格书
22页 298K
描述
RF Signal Processor for CD Players

CXA2581N 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:LSSOP, SSOP30,.3针数:30
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDSO-G30
JESD-609代码:e6/e4长度:9.7 mm
功能数量:1端子数量:30
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装等效代码:SSOP30,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
座面最大高度:1.45 mm子类别:Other Consumer ICs
最大压摆率:70 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):3.4 V表面贴装:YES
技术:BIPOLAR温度等级:OTHER
端子面层:TIN BISMUTH/PALLADIUM端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:10宽度:5.6 mm
Base Number Matches:1

CXA2581N 数据手册

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CXA2581N  
Description of Functions  
• RFAC  
The RF signal input by connecting capacitance to the EQ_IN pin is equalized, arithmetically amplified and then  
output from the RFAC pin.  
VCC  
6
7
8
9
A
B
C
D
AC  
SUM  
0.1µ  
5.1k  
BST VFC  
24 25 26 RFC  
AC_SUM  
4
RF  
3
EQ  
Amp  
15  
RFAC  
EQ_IN  
RFG  
23  
BST = VCC  
RW/ROM  
Low frequency gain  
AC_SUM:  
13dB (both ROM/RW)  
VCA to RFAC ROM: 0dB  
RW: 12dB  
The EQ can be bypassed by connecting the BST control pin (Pin 24) to VCC.  
In this case only the EQ block enters sleep mode and low power consumption mode (slim mode) is activated.  
The low frequency gain is the same value as for EQ ON mode.  
If RF (summing signal) is present at the pickup output pin, input the addition output signal to EQ_IN (Pin 3)  
coupled by capacitance.  
When using a pickup without a summing output function, perform addition with the AC SUM block and then  
input the signal to EQ_IN (Pin 3) coupled by capacitance.  
RW/ROM switching is done by the VCA block, so either input method can be used without problem.  
The RW gain is 12dB higher than the ROM gain.  
Gain [dB]  
VCA variable range  
The VCA low frequency gain can be adjusted by the RFG  
8
(Pin 23) voltage.  
The control voltage vs. low frequency gain characteristics  
0
are shown in the graph to the right.  
–8  
Vcnt  
[V]  
VC – 1  
VC  
VC + 1  
The RFAC pin (Pin 15) is an NPN transistor emitter follower output.  
The maximum drive current is approximately 2mA.  
If the load capacitance distorts the output waveform, connect resistance between Pin 15 and GND to increase  
the drive current.  
– 9 –  

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