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SA638

更新时间: 2024-09-17 22:43:35
品牌 Logo 应用领域
恩智浦 - NXP 接收机
页数 文件大小 规格书
5页 50K
描述
IS-54 IF receiver

SA638 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.76JESD-30 代码:R-PDSO-G24
JESD-609代码:e4长度:7.8 mm
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
封装等效代码:TSSOP24,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH电源:3 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Other Telecom ICs标称供电电压:3 V
表面贴装:YES技术:BICMOS
电信集成电路类型:RF AND BASEBAND CIRCUIT温度等级:INDUSTRIAL
端子面层:NICKEL PALLADIUM GOLD端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

SA638 数据手册

 浏览型号SA638的Datasheet PDF文件第2页浏览型号SA638的Datasheet PDF文件第3页浏览型号SA638的Datasheet PDF文件第4页浏览型号SA638的Datasheet PDF文件第5页 
Philips Semiconductors  
Preliminary specification  
IS-54 IF receiver  
SA638  
DESCRIPTION  
PIN CONFIGURATION  
The SA638 is an IF receiver chip which serves the dual mode  
functionality required by the IS–54 standards for North American  
cellular telephones. It provides for both the analog FM (AMPS  
mode) and DQPSK (TDMA digital mode) IF receive functions in a  
monolithic BiCMOS Integrated Circuit housed in a compact  
SSOP–24 plastic package.  
1
24  
RF  
MIXER OUT  
IN  
2
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
RF BYPASS  
IF AMP DECOUPLING  
3
XTAL OSC (EMITTER)  
IF AMP IN  
4
IF AMP DECOUPLING  
XTAL OSC (BASE)  
APPLICATIONS  
5
V
IF AMP OUT  
GND  
CC  
6
RSSI FEEDBACK  
FEATURES  
7
LIMITER IN  
RSSI OUT  
8
POWER DOWN CONTROL  
LIMITER DECOUPLING  
LIMITER DECOUPLING  
9
DATA OUT  
10  
POSTAMP IN  
LIMITER OUT  
QUADRATURE IN  
SWITCH OUT  
11  
POSTAMP OUT  
12  
SWITCH CONTROL  
UPDATE for 638  
SR00907  
Figure 1. Pin Configuration  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE ORDER CODE  
DWG #  
SOT-355  
24-Pin Plastic TSSOP (Thin Shrink Small Outline Package)  
-40 to +85°C  
SA638  
BLOCK DIAGRAM  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
GND  
IF  
AMP  
LIMITER  
MIXER  
QUAD  
FAST  
RSSI  
OSCILLATOR  
+
+ –  
PWR  
DWN  
UPDATE for 638  
+
V
CC  
DATA  
RSSI  
E
B
1
2
3
4
5
6
7
8
9
10  
11  
12  
SR00908  
Figure 2. Block Diagram  
1
1995 Feb 16  

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