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BH7272KV PDF预览

BH7272KV

更新时间: 2024-02-13 16:03:50
品牌 Logo 应用领域
罗姆 - ROHM 消费电路商用集成电路音频放大器视频放大器录像机
页数 文件大小 规格书
14页 185K
描述
Two-channel VCR PRE / REC amplifier for Digital VCRs

BH7272KV 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:QFP包装说明:LFQFP, QFP48,.35SQ,20
针数:48Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.84Is Samacsys:N
商用集成电路类型:VIDEO PREAMPLIFIER增益:54 dB
JESD-30 代码:S-PQFP-G48长度:7 mm
信道数量:2功能数量:1
端子数量:48最高工作温度:65 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装等效代码:QFP48,.35SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):NOT SPECIFIED电源:3,5 V
认证状态:Not Qualified座面最大高度:1.625 mm
子类别:Audio/Video Amplifiers最大压摆率:80 mA
最大供电电压 (Vsup):5.2 V最小供电电压 (Vsup):4.6 V
表面贴装:YES技术:BIPOLAR
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7 mm
Base Number Matches:1

BH7272KV 数据手册

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Video ICs  
Two-channel VCR PRE / REC  
amplifier for Digital VCRs  
BH7272KV  
The BH7272KV is a head amplifier developed for use in digital video cassette recorders. Both PB and REC have  
excellent frequency characteristics making this IC an ideal choice for digital recording and playback. The small  
VQFP48 package facilitates compact design of portable equipment such as video cameras.  
Applications  
Digital video cassette recorders  
Features  
1) The playback amplifier is a differential amplifier with  
an overall gain of 54dB (Typ.), and has low-noise  
transistors as the first stage. The feedback circuit is  
not included, so provide negative feedback for head  
peak damping, and positive feedback to cancel the  
input capacitance using external components.  
2) The playback AGC amplifier has ± 10dB of control  
range.  
3) The recording current amplifier is a BLT current  
amplifier. Use external components to construct the  
head peak damping circuit.  
4) Recording limit amplifier is included. Recording AGC  
amplifier not included.  
5) The signal system VCC is 4.9V, and the control sys-  
tem VCC is 3.0V.  
Absolute maximum ratings (Ta = 25°C)  
Parameter  
Symbol  
VCC  
Limits  
7.0  
Unit  
V
Applied voltage  
Power dissipation  
Operating temperature  
Storage temperature  
Pd  
mW  
°C  
900  
Topr  
Tstg  
– 20 ~ + 65  
– 55 ~ + 125  
°C  
When mounted on a 70mm × 70mm × 1.6mm glass epoxy board.  
Reduced by 9.0mW for each increase in Ta of 1°C over 25° .  
Recommended operating conditions (Ta = 25°C)  
Parameter  
Signal system  
Control system  
Symbol  
VCC 5V  
VCC 3V  
Min.  
4.6  
Typ.  
4.9  
Max.  
5.2  
Unit  
V
Conditions  
14, 19, 38, 47pin  
16pin  
2.8  
3.0  
3.2  
V
Not designed for radiation resistance.  
1

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