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SA639DH/01 PDF预览

SA639DH/01

更新时间： 2024-11-03 19:43:03
品牌 Logo 应用领域
恩智浦 - NXP 电信光电二极管电信集成电路
页数 文件大小 规格书
29页 2098K
描述
SPECIALTY TELECOM CIRCUIT

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中文翻译

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SA639DH/01 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：4.40 MM, PLASTIC, MO-153, SOT355-1, TSSOP-24Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.62
JESD-30 代码：R-PDSO-G24JESD-609代码：e4
长度：7.8 mm湿度敏感等级：1
功能数量：1端子数量：24
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：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
座面最大高度：1.1 mm标称供电电压：3 V
表面贴装：YES电信集成电路类型：TELECOM CIRCUIT
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

SA639DH/01 数据手册

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SA639  
Low voltage mixer FM IF system with filter amplifier and  
data switch  
Rev. 4 — 10 July 2014  
Product data sheet  
1. General description  
The SA639 is a low-voltage high performance monolithic FM IF system with high-speed  
RSSI incorporating a mixer/oscillator, two wideband limiting intermediate frequency  
amplifiers, quadrature detector, logarithmic Received Signal Strength Indicator (RSSI),  
fast RSSI op amps, voltage regulator, wideband data output, post detection filter amplifier  
and data switch. The SA639 is available in 24-lead TSSOP (Thin Shrink Small Outline  
Package).  
The SA639 was designed for high-bandwidth portable communication applications and  
functions down to 2.7 V. The RF section is similar to the famous NE605. The data output  
provides a minimum bandwidth of 1 MHz to demodulate wideband data. The RSSI output  
is amplified and has access to the feedback pin. This enables the designer to level adjust  
the outputs or add filtering.  
The post-detection amplifier may be used to realize a low-pass filter function. A  
programmable data switch routes a portion of the data signal to an external integration  
circuit that generates a data comparator reference voltage.  
SA639 incorporates a Power-down mode which powers down the device when pin 8  
(POWER_DOWN_CTRL) is HIGH. Power down logic levels are CMOS and TTL  
compatible with high input impedance.  
2. Features and benefits  
VCC = 2.7 V to 5.5 V  
Low power consumption: 8.6 mA (typical) at 3 V  
Wideband data output (1 MHz minimum)  
Fast RSSI rise and fall times  
Mixer input to >500 MHz  
Mixer conversion power gain of 9.2 dB and noise figure of 11 dB at 110 MHz  
XTAL oscillator effective to 150 MHz (L.C. oscillator to 1 GHz local oscillator can be  
injected)  
92 dB of IF amplifier/limiter power gain  
25 MHz limiter small signal bandwidth  
Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with  
a dynamic range in excess of 80 dB  
RSSI output internal op amp  
Post detection amplifier for filtering  
Programmable data switch  
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