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SA625

更新时间： 2024-02-22 02:33:59
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
14页 158K
描述
High performance low power mixer FM IF system with high-speed RSSI

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SA625 技术参数

生命周期：Obsolete包装说明：DIP,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.83
Is Samacsys：N其他特性：IN-BUILT QUADRATURE DETECTOR
内置中频放大器：YES商用集成电路类型：AUDIO TUNER
最大输入频率（射频）：1000 MHzJESD-30 代码：R-PDIP-T20
长度：26.73 mm标称噪声指数：5 dB
频带数量：1端子数量：20
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：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified座面最大高度：4.2 mm
最大压摆率：7 mA最大供电电压 (Vsup)：8 V
最小供电电压 (Vsup)：4.5 V表面贴装：NO
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

SA625 数据手册

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Philips Semiconductors  
Product specification  
High performance low power mixer FM IF system  
with high-speed RSSI  
SA625  
DESCRIPTION  
PIN CONFIGURATION  
The SA625 is pin-to-pin compatible with the SA605, but has faster  
RSSI rise and fall times. The SA625 is a high performance  
monolithic low-power FM IF system incorporating a mixer/oscillator,  
two limiting intermediate frequency amplifiers, quadrature detector,  
muting, logarithmic received signal strength indicator (RSSI) with  
fast rise and fall time, and voltage regulator. The SA625 combines  
the functions of Signetics’ SA602A and SA624. The SA625 is  
available in 20-lead SSOP (shrink small outline package).  
DK Package  
RF  
1
2
20 MIXER OUT  
19  
IN  
IF AMP DECOUPLING  
RF BYPASS  
XTAL OSC  
XTAL OSC  
3
4
5
18 IF AMP IN  
17 IF AMP DECOUPLING  
16 IF AMP OUT  
15 GND  
MUTE  
IN  
For additional technical information please refer to application notes  
AN1994, 1995 and 1996, which include example application  
diagrams, a complete overview of the product and artwork for  
reference.  
V
6
CC  
14 LIMITER IN  
RSSI  
OUT  
7
8
13  
MUTED AUDIO OUT  
LIMITER DECOUPLING  
FEATURES  
12  
9
UNMUTED AUDIO OUT  
QUADRATURE IN  
LIMITER DECOUPLING  
• Fast RSSI rise and fall times  
11 LIMITER OUT  
10  
• Low power consumption: 5.8mA typical at 6V  
• Mixer input to >500MHz  
SR00456  
Figure 1. Pin Configuration  
• Mixer conversion power gain of 13dB at 45MHz  
• Mixer noise figure of 4.6dB at 45MHz  
• ESD hardened  
APPLICATIONS  
• XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local  
• Digital cellular base stations  
oscillator can be injected)  
• 102dB of IF Amp/Limiter gain  
• High performance communications receivers  
• Single conversion VHF/UHF receivers  
• SCA receivers  
• 25MHz limiter small signal bandwidth  
• Temperature compensated logarithmic Received Signal Strength  
Indicator (RSSI) with a dynamic range in excess of 90dB  
• RF level meter  
• Two audio outputs - muted and unmuted  
• Spectrum analyzer  
• Low external component count; suitable for crystal/ceramic/LC  
• Instrumentation  
filters  
• FSK and ASK data receivers  
• Log amps  
• Excellent sensitivity: 0.22µV into 50Ω matching network for 12dB  
SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF  
at 45MHz and IF at 455kHz  
• Wideband low current amplification  
• Digital cordless telephones  
• SA625 meets cellular radio specifications  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE  
ORDER CODE  
DWG #  
SOT266-1  
20-Pin Plastic Shrink Small Outline Package (SSOP) (Surface-mount)  
-40 to +85°C  
SA625DK  
2
1997 Nov 07  
853-1648 18664  
1234567...14

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