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CXA2559 PDF预览

CXA2559

更新时间: 2024-02-26 21:56:53
品牌 Logo 应用领域
索尼 - SONY 传感器放大器
页数 文件大小 规格书
19页 301K
描述
Playback Equalizer Amplifier with Music Sensor

CXA2559 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:QFP
包装说明:QFP, QFP40,.35SQ针数:40
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.83商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PQFP-G40JESD-609代码:e4
长度:7 mm功能数量:1
端子数量:40最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:QFP封装等效代码:QFP40,.35SQ
封装形状:SQUARE封装形式:FLATPACK
峰值回流温度(摄氏度):260电源:8 V
认证状态:Not Qualified座面最大高度:1.85 mm
子类别:Audio/Video Amplifiers最大压摆率:10.3 mA
最大供电电压 (Vsup):11 V最小供电电压 (Vsup):6.5 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Palladium (Pd)
端子形式:GULL WING端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:10
宽度:7 mmBase Number Matches:1

CXA2559 数据手册

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CXA2559Q  
4. Music sensor  
TAPEIN2  
D1  
D2  
DVcc  
× 1  
R10  
Vcc  
R3  
127k  
R2  
10k  
× 5  
Full-  
wave  
rectifier  
R4  
100k  
MSOUT  
Smoother  
AMP3  
AMP1  
R1  
AMP2  
10k  
R5A  
C1  
64p  
0.775V for  
29k  
R6  
1k  
signal detection  
0.616V for no  
signal detection  
Q1  
R5B  
10k  
VGS  
× 1  
G1FB  
G2FB  
MSTC  
R9  
TAPEIN1  
MSLPF  
C2  
C3  
C4  
C5  
R7  
R8  
Fig. 5. Music sensor block diagram  
(1) Adjustment of music signal interval detection level  
Adjust the external resistors R7 and R8 to adjust the music signal interval detection level.  
The signal detection level v1 and no signal detection level v2 are expressed by the following equations.  
v1 = –39 + 20 log (39k/Rext) [dBm] Rext: R7 or R8  
v2 = v1 – 2 [dBm]  
(2) Low-frequency cut-off adjustment of music sensor  
Adjust the external resistors R7, R8 and the external capacitors C3, C4 to adjust the low-frequency cut-off.  
The low-frequency cut-off is expressed by the following equation.  
fc1 = 1/ (2π · Cext · Rext)  
Cext, Rext: C3, R7 or C4, R8  
(3) High-frequency cut-off adjustment of music sensor  
Connect the external capacitor C2 to MSLPF (Pin 10) to adjust the high-frequency cut-off.  
The high-frequency cut-off is expressed by the following equation.  
fc2 = 1/ (2π · (64p + C2) · 100k)  
The high-frequency cut-off is approximately 25kHz when MSLPF is left open .  
(4) Response time adjustment  
Adjust the external resistor R9 and the external capacitor C5 to adjust the response time.  
The response time for signal detection depends on the internal resistor R6 and the external capacitor C5.  
The response time for no signal detection depends on the external resistor R9 and the external capacitor  
C5.  
– 14 –  

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