参数资料
型号: MAX2904ETI+T
厂商: Maxim Integrated
文件页数: 12/17页
文件大小: 0K
描述: IC TX 868MHZ 200MW 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
频率: 868MHz,915MHz
应用: ISM
调制或协议: ASK,BPSK
功率 - 输出: 20dBm
电流 - 传输: 200mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 2.7 V ~ 4.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX2900–MAX2904
200mW Single-Chip Transmitter ICs for
868MHz/915MHz ISM Bands
Table 1. MAX2900 Power-Up Modes
LOGIC LEVEL
INTERNAL BLOCK STATUS
REFEN
0
1
1
1
EN
0
0
1
1
OOKIN
X
X
0
1
REFERENCE
Off
On
On
On
VCO MOD FILTER
Off
Off
On
On
SYNTHESIZER
Off
Off
On
On
PA
Off
Off
Off
On only after LD
goes high
Table 2. MAX2901/MAX2903 Power-Up Modes
REFEN
0
1
1
1
EN
0
0
1
1
OOKIN
X
X
0
1
REFERENCE
Off
On
On
On
VCO MOD FILTER
Off
Off
On
On
SYNTHESIZER
Off
Off
On
On
PA
Off
Off
Off
On only after LD
goes high
Table 3. MAX2902/MAX2904 Power-Up Modes
REFEN
0
1
0
1
0
1
EN
0
0
1
1
1
1
OOKIN
X
0
0
0
1
1
REFERENCE
Off
On
Off
On
Off
On
VCO MOD FILTER
Off
Off
On
On
On
On
PA
Off
Off
Off
Off
On
On
Table 4. MAX2900 Synthesizer
Programming
Table 5. MAX2901/MAX2903 Synthesizer
Programming
D0
0
0
0
0
1
1
1
1
D1
1
1
0
0
1
1
0
0
D2
1
0
1
0
1
0
1
0
DIVISION RATIO
249
250
251
252
253
254
255
256
DIV 63
0
1
DIVISION RATIO
62
63
12
Maxim Integrated
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