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AT78C1505-48TC PDF预览

AT78C1505-48TC

更新时间: 2024-12-01 20:00:59
品牌 Logo 应用领域
爱特美尔 - ATMEL ATM异步传输模式接口集成电路
页数 文件大小 规格书
12页 67K
描述
Interface Circuit, CMOS, PQFP48, TQFP-48

AT78C1505-48TC 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:48
Reach Compliance Code:compliant风险等级:5.92
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:S-PQFP-G48
JESD-609代码:e0长度:7 mm
功能数量:1端子数量:48
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.6 mm最大供电电压:3.6 V
最小供电电压:3 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
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:30
宽度:7 mmBase Number Matches:1

AT78C1505-48TC 数据手册

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Features  
Operating Supply Range 3.0V to 3.6V  
Power Dissipation 200mW Max  
Low-Power Sleep Mode < 0.5mW  
Four High-Speed, Low Noise 3.1K, 4.15Kor 11.7KΩ  
Transimpedance (TZ) Amplifiers  
Programmable Voltage Amplifiers Following  
Fast TZ Amps (0.5, 0.7, 1 and 2 V/V)  
Dedicated Differential RF Output  
Flexible Output Configuration for Fast Quad Signals  
Photodetector Signal Current up to 30µA per Photodiode Allowed  
(Read Mode), 4.15KTransimpedance, PGC = 1 V/V  
Gain Reduction on all Transimpedance Amplifiers During Write Mode  
(Expanded Input Range 10X)  
DVD/CD Read  
Preamplifier  
Separate Write Mode and ID Mode Pins for Fast Switching Between  
Write and Read, and ID and Read  
Transimpedance Amplifiers for EF and Laser Power Monitor  
(3X Gain of High-Speed Amplifiers)  
Programmable Offset DACs for Fast/Slow-Transimpedance Amplifiers  
Serial Register for Programming Offset and Gains  
Ideal for use with Atmel’s AT78C1503 DVD/CD Read Channel and  
AT78C1502 DVD/CD DSP Servo Chip  
AT78C1505  
Preliminary  
Description  
Atmel’s AT78C1505 contains the necessary preamplifiers for DVD or CD front-end  
read electronics. The AT78C1505 is a DVD/CD preamp responsible for amplification  
of slow/fast photodetector signals for CD-ROM, DVD-ROM or DVD-RAM data. The  
preamp also includes an additional single-ended transimpedance amplifier with  
programmable gain and offset adjustment which can be used for laser power monitor.  
The CMOS preamplifier operates from a single 3.3V supply and is fully programmable  
through a serial interface for either CD or DVD modes.  
NC  
A
1
2
3
4
5
6
7
8
9
36 AP  
35 AN  
34 VDDB  
33 BP  
GNDA  
B
GNDB  
C
AT78C1505  
32 BN  
31 VDDC  
30 CP  
29 CN  
28 VDDD  
27 DP  
26 DN  
25 NC  
GNDC  
D
GNDD  
NC 10  
NC 11  
VDD2 12  
Rev. 1215A–11/98  

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