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ATA2525R137-DDW PDF预览

ATA2525R137-DDW

更新时间: 2024-01-26 16:56:27
品牌 Logo 应用领域
爱特美尔 - ATMEL 电信集成电路电信电路异步传输模式ATM
页数 文件大小 规格书
12页 181K
描述
IR Receiver ASSP

ATA2525R137-DDW 技术参数

生命周期:Obsolete零件包装代码:WAFER
包装说明:DIE,针数:11
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.6Is Samacsys:N
JESD-30 代码:R-XUUC-N11功能数量:1
端子数量:11最高工作温度:85 °C
最低工作温度:-25 °C封装主体材料:UNSPECIFIED
封装代码:DIE封装形状:RECTANGULAR
封装形式:UNCASED CHIP认证状态:Not Qualified
标称供电电压:5 V表面贴装:YES
电信集成电路类型:TELECOM CIRCUIT温度等级:COMMERCIAL EXTENDED
端子形式:NO LEAD端子位置:UPPER
Base Number Matches:1

ATA2525R137-DDW 数据手册

 浏览型号ATA2525R137-DDW的Datasheet PDF文件第2页浏览型号ATA2525R137-DDW的Datasheet PDF文件第3页浏览型号ATA2525R137-DDW的Datasheet PDF文件第4页浏览型号ATA2525R137-DDW的Datasheet PDF文件第5页浏览型号ATA2525R137-DDW的Datasheet PDF文件第6页浏览型号ATA2525R137-DDW的Datasheet PDF文件第7页 
Features  
No External Components Except PIN Diode  
Supply-voltage Range: 4.5V to 5.5V  
High Sensitivity Due to Automatic Sensitivity Adaption (AGC) and Automatic Strong  
Signal Adaption (ATC)  
High Immunity Against Disturbances from Daylight and Lamps  
Small Size and Innovative Pad Layout  
Available for Carrier Frequencies between 33 kHz to 40 kHz; Adjusted  
by Zener Diode Fusing  
IR Receiver  
ASSP  
TTL and CMOS Compatible  
Suitable Minimum Burst Length 10 Pulses/Burst  
Applications  
Home Entertainment Applications  
Home Appliances  
Remote Control Equipment  
ATA2525  
1. Description  
The IC ATA2525 is a complete IR receiver for data communication that was devel-  
oped and optimized for use in carrier-frequency-modulated transmission applications.  
The IC combines small size with high sensitivity as well as high suppression of noise  
from daylight and lamps. An innovative and patented pad layout offers unique flexibil-  
ity for assembly of IR receiver modules. The ATA2525 is available with standard  
carrier frequencies (33, 36, 37, 38, 40 kHz) and 3 different noise suppression regula-  
tion types (standard, lamp, noise) covering requirements of different high-volume  
remote control solutions (please refer to selection guide available for  
ATA2525/ATA2526). The ATA2525 operates in a supply voltage range of 4.5V to  
5.5V.  
The function of ATA2525 can be described using the block diagram (see Figure 1-1  
on page 2). The input stage meets two main functions. First, it provides a suitable bias  
voltage for the PIN diode. Secondly, the pulsed photo-current signals are transformed  
into a voltage by a special circuit which is optimized for low-noise applications. After  
amplification by a Controlled Gain Amplifier (CGA), the signals have to pass a tuned  
integrated narrow bandpass filter with a center frequency f0 which is equivalent to the  
chosen carrier frequency of the input signal. The demodulator is used to convert the  
input burst signal into a digital envelope output pulse and to evaluate the signal infor-  
mation quality, i.e., unwanted pulses will be suppressed at the output pin. All this is  
done by means of an integrated dynamic feedback circuit which varies the gain as a  
function of the present environmental condition (ambient light, modulated lamps etc.).  
Other special features are used to adapt to the current application to secure best  
transmission quality.  
4854E–AUTO–10/06  

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