Datasheet > ATA2526P156-DDW

ATA2526P156-DDW

更新时间： 2024-11-08 04:01:31

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
14页	213K
描述
Telecom Circuit, 1-Func, WAFER-12

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ATA2526P156-DDW 数据手册

Features

• No External Components Except PIN Diode

• Supply-voltage Range: 2.7V to 5.5V

• High Sensitivity Due to Automatic Sensitivity Adaption (AGC) and Automatic Strong

Signal Adaption (ATC)

• Automatic Supply Voltage Adaptation

• High Immunity against Disturbances from Daylight and Lamps

• Small Size and Innovative Pad Layout

• Available for Carrier Frequencies between 33 kHz to 40 kHz and 56 kHz; adjusted by

Zener-Diode Fusing ±2.5%

Low-voltage

IR Receiver

ASSP

• TTL and CMOS Compatible

Applications

• Home Entertainment Applications

• Home Appliances

• Remote Control Equipment

ATA2526

1. Description

The IC ATA2526 is a complete IR receiver for data communication developed 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 flexibility for

assembly of IR receiver modules. The ATA2526 is available with standard frequencies

(33, 36, 37, 38, 40, 56 kHz) and 3 different noise suppression regulation types (stan-

dard, lamp, short burst) covering requirements of different high-volume remote control

solutions (please refer to selection guide available for ATA2525/ATA2526). The

ATA2526 operates in a supply voltage range of 2.7V to 5.5V.

The function of the ATA2526 can be described using the block diagram of 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 f₀which is equivalent to the

chosen carrier frequency of the input signal The demodulator is used first to convert

the input burst signal to a digital envelope output pulse and to evaluate the signal

information 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 conditions (ambient light, modulated lamps

etc.). Other special features are used to adapt to the current application to secure best

transmission quality.

4905D–AUTO–10/06

12 3 4 5 6 7...14

中文翻译

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与ATA2526P156-DDW相关器件

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ATA2526P333-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
ATA2526P336-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
ATA2526P337-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
ATA2526P338-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
ATA2526P340-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
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ATA2526P733-DDW	ATMEL	获取价格	Low-voltage IR Receiver ASSP
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