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SA676 PDF预览

SA676

更新时间: 2024-02-12 04:35:03
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
8页 106K
描述
Low-voltage mixer FM IF system

SA676 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:not_compliant风险等级:5.78
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
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:SSOP封装等效代码:SSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
电源:2.7/7 V认证状态:Not Qualified
子类别:Receiver ICs最大压摆率:5 mA
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUALBase Number Matches:1

SA676 数据手册

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Philips Semiconductors  
Product specification  
Low-voltage mixer FM IF system  
SA676  
DESCRIPTION  
PIN CONFIGURATION  
The SA676 is a low-voltage monolithic FM IF system incorporating a  
mixer/oscillator, two limiting intermediate frequency amplifiers,  
quadrature detector, logarithmic received signal strength indicator  
(RSSI), voltage regulator and audio and RSSI op amps. The SA676  
is available in a 20-pin SSOP (shrink small outline package).  
DK Package  
1
2
RF IN+  
20 MIXER OUT  
19  
IF AMP DECOUPLING  
RF IN– DECOUPLING  
18 IF AMP IN  
17  
3
4
OSC  
OUT  
The SA676 was designed for cordless telephone applications in  
which efficient and economic integrated solutions are required and  
yet high performance is desirable. Although the product is not  
targeted to meet the stringent specifications of high performance  
cellular equipment, it will exceed the needs for analog cordless  
phones. The minimal amount of external components and absence  
of any external adjustments makes for a very economical solution.  
IF AMP DECOUPLING  
OSC  
IN  
16 IF AMP OUT  
15 GND  
RSSI OUT  
5
6
7
V
CC  
14 LIMITER IN  
AUDIO FEEDBACK  
AUDIO OUT  
13  
8
9
LIMITER DECOUPLING  
12  
RSSI FEEDBACK  
LIMITER DECOUPLING  
FEATURES  
11 LIMITER OUT  
QUADRATURE IN 10  
Low power consumption: 3.5mA typical at 3V  
SR00514  
Mixer input to >100MHz  
Figure 1. Pin Configuration  
Mixer conversion power gain of 17dB at 45MHz  
XTAL oscillator effective to 100MHz (L.C. oscillator or external  
Audio output internal op amp  
oscillator can be used at higher frequencies)  
RSSI output internal op amp  
102dB of IF Amp/Limiter gain  
Internal op amps with rail-to-rail outputs  
2MHz IF amp/limiter small signal bandwidth  
ESD protection: Human Body Model 2kV  
Temperature compensated logarithmic Received Signal Strength  
Robot Model 200V  
Indicator (RSSI) with a 70dB dynamic range  
Low external component count; suitable for crystal/ceramic/LC  
APPLICATION  
Cordless phones  
filters  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE  
ORDER CODE  
SA676DK  
DWG #  
20-Pin Plastic Shrink Small Outline Package (Surface-mount)  
-40 to +85°C  
SOT266-1  
BLOCK DIAGRAM  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
IF  
AMP  
LIMITER  
RSSI  
MIXER  
QUAD  
OSCILLATOR  
+
+
V
REG  
AUDIO  
E
B
1
2
3
4
5
6
7
8
9
10  
SR00515  
Figure 2. Block Diagram  
6–129  
1993 Dec 15  
853-1726 11659  

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