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ADF7901BRU

更新时间: 2024-02-14 06:11:42
品牌 Logo 应用领域
亚德诺 - ADI 电信集成电路蜂窝电话电路电信电路光电二极管ISM频段
页数 文件大小 规格书
12页 385K
描述
High Performance ISM Band ASK/FSK Transmitter IC

ADF7901BRU 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:5A991.B
HTS代码:8542.39.00.01风险等级:5.03
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
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:50 °C最低工作温度:
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峰值回流温度(摄氏度):260
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
电信集成电路类型:RF AND BASEBAND CIRCUIT温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
Base Number Matches:1

ADF7901BRU 数据手册

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High Performance ISM Band  
ASK/FSK Transmitter IC  
Preliminary Technical Data  
ADF7901  
is capable of Frequency Shift Keying (FSK) modulation on  
8 different channels, selectable by 3 external control lines. OOK  
modulation is performed by modulating the PA control line.  
FEATURES  
Single chip low power UHF transmitter  
369.5 MHz to 395.9 MHz frequency operation using  
Fractional-N  
PLL and fully integrated VCO  
The on-chip VCO operates at 2 × the output frequency. The  
divide by 2 at the output of the VCO reduces the amount of PA  
feedthrough. As a result of this, OOK modulation depths of  
greater than 50 dB are easily achievable.  
3.0 V supply voltage  
Data rates supported < 2.5 kbps  
Low current consumption 26 mA at 12 dBm  
Output at 384 MHz  
Power-down mode (< 1 µA)  
24-Lead TSSOP package  
The FSK_ADJ and ASK_ADJ resistors can be adjusted in the  
system to optimize output power, for each modulation scheme.  
An additional 1.5 dB of output power is provided for the lower  
bank of channels to adjust for antenna performance. The CE  
line allows the transmitter to be powered down completely. In  
this mode, the leakage current is typically 0.1 µA.  
GENERAL DESCRIPTION  
The ADF7901 is a low power OOK/FSK UHF transmitter  
designed for use in RF Remote Control Devices. The device  
FUNCTIONAL BLOCK DIAGRAM  
C
REG2  
PA_EN  
C
VCO  
OSC1  
OSC2  
V
DD  
VCO  
RF  
OUT  
PA  
DV  
DD  
R = 1  
RF  
GND  
PDF  
CHARGE  
PUMP  
C
REG1  
LDO  
REGULATOR  
#1  
÷ FRACTIONAL N  
LDO  
REGULATOR  
#2  
C
2
REG  
TXDATA  
SIGMA-DELTA  
FSK  
CHANNEL SELECT  
RS ET  
OOK_SEL  
CE  
D
FSK1 FSK2 FSK3  
GND  
RSET_FSK  
RSET_OOK  
Figure 1.  
Rev. PrD  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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