参数资料
型号: MAX2904ETI+T
厂商: Maxim Integrated
文件页数: 1/17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
General Description
The MAX2900–MAX2904 complete single-chip 200mW
transmitters are designed for use in the 868MHz/
915MHz frequency bands. The MAX2900/MAX2901/
MAX2902 are compliant with the FCC CFR47 part 15.247
902MHz to 928MHz ISM-band specifications. MAX2903/
MAX2904 are compliant with the ETSI EN330-220 speci-
fication for the European 868MHz ISM band.
These transmitter ICs offer a high level of integration
while minimizing the number of external components.
This is achieved by full integration of the transmit modu-
lator, power amplifier, RF VCO, 8-channel frequency syn-
thesizer, and baseband PN sequence lowpass filter. By
filtering the BPSK modulation, the spurious emissions are
reduced, enabling up to eight independent transmit
channels in the U.S. ISM band. Inputs are provided for
spread-spectrum BPSK, ASK, and OOK. FM can be
achieved by directly modulating the VCO. The devices
are intended primarily for use with an external differential
antenna.
Features
o Versions for U.S. 902MHz to 928MHz Band and
European 868MHz Band
o -7dBm to +23dBm Adjustable Differential RF
Output Power
o +23dBm Output Power at 4.5V, +20dBm Output
Power at 3.0V
o Support BPSK, OOK, ASK, and FM Modulations
o Modulation Filter for Direct Sequence BPSK up to
8Mchips/s
o Fully Integrated VCO with On-Chip Tank
o Extremely Low Frequency Pulling for OOK
Modulation (typ 60kHz peak, 5kHz RMS)
o Integrated Frequency Synthesizer for up to
8 Channels (MAX2900)
o +2.7V to +4.5V Supply Operation
o Small 28-Pin QFN Package with Exposed Pad
(5mm   5mm)
Ordering Information
Applications
Automatic Meter Reading
Wireless Security Systems/Alarms
Wireless Sensors
Wireless Data Networks
Wireless Building Control
PART
MAX2900 ETI+
MAX2901 ETI+
MAX2902 ETI+
MAX2903 ETI+
MAX2904 ETI+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Exposed pad
Functional Diagrams/Pin Configurations
CPOUT
VCC5
D2
REFOUT VCC4
REFIN
OSC
CPOUT
VCC5
DIV63 REFOUT VCC4
REFIN
OSC
28
27
26
25
24
23
22
28
27
26
25
24
23
22
VTUNE
1
MAX2900
21 D0
VTUNE
1
MAX2901/
21 VCO+
MAX2903
GND
2
CP
÷ 4
20 D1
GND
2
CP
20 VCO-
VREG
3
19 N.C.
VREG
3
19 DIVOUT
VCC1
4
REG
8-CHANNEL
SYNTHESIZER
18 N.C.
VCC1
4
REG
DUAL-
CHANNEL
(/62 OR /63)
18 GND
SYNTHESIZER
RLPF
EN
5
6
17 RF+
16 RF-
RLPF
EN
5
6
17 RF+
16 RF-
REFEN
7
GATE
15 GND
REFEN
7
GATE
15 GND
8
9
10
11
12
13
14
8
9
10
11
12
13
14
MODIN OOKIN
VCC2
VASK
LD
PWRSET VCC3
MODIN OOKIN
VCC2
VASK
LD
PWRSET VCC3
Functional Diagrams/Pin Configurations are continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-2145; Rev 3; 10/12
相关PDF资料
PDF描述
MAX2903ETI+T IC TX 868MHZ 200MW 28TQFN
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MAX2900ETI+T IC TX 915MHZ 200MW 28TQFN
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