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U4285BM-AFS PDF预览

U4285BM-AFS

更新时间: 2024-02-12 20:04:26
品牌 Logo 应用领域
TEMIC 信号电路锁相环或频率合成电路光电二极管信息通信管理
页数 文件大小 规格书
10页 140K
描述
AM / FM - PLL

U4285BM-AFS 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SSOP包装说明:SSOP,
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.72
模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZERJESD-30 代码:R-PDSO-G20
长度:6.625 mm湿度敏感等级:1
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
认证状态:Not Qualified最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BICMOS
温度等级:OTHER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

U4285BM-AFS 数据手册

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U4285BM  
AM / FM - PLL  
Description  
2
The U4285BM is an integrated circuit in BICMOS by an I C bus. The device is designed for all frequency  
technology for frequency synthesizers. It performs all the synthesizer applications in radio receivers, as well as  
functions of a PLL radio tuning system and is controlled RDS ( Radio Data System ) applications.  
Features  
Reference oscillator up to 15 MHz  
4 programmable switching outputs  
(open drain up to 15 V)  
Two programmable 16 bit dividers  
adjustable from 2 to 65535  
Few external component required due to  
integrated loop-push-pull stage for AM/FM  
Fine tuning steps:  
AM 1 kHz  
FM 2 kHz  
High signal/ noise ratio  
Ordering Information  
Extended Type Number  
U4285BM-AFS  
Package  
Remarks  
SSO20 plastic  
SSO20 plastic  
U4285BM-AFSG3  
Taping according to IEC-286-3  
Block Diagram  
SWO1 SWO2 SWO3 SWO4  
5
6
7
8
18  
OSCIN  
Oscillator  
R-divider  
Switching outputs  
OSCOUT  
19  
14  
PDAM  
2
SCL  
15  
16  
17  
PDAMO  
I2C bus  
3
SDA  
interface  
VA  
C
4
AS  
Current  
sources  
Phase  
detector  
9
FMOSC  
12  
13  
PDFMO  
PDFM  
11  
AM/FM  
switch  
AMOSC  
N-divider  
1
10  
20  
GND1  
95 10120  
GND2  
V
DD  
Figure 1.  
TELEFUNKEN Semiconductors  
1 (10)  
Rev. A3, 14-May-97  

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