MAX2900-MAX2904 MAXIM [Maxim Integrated Products], MAX2900-MAX2904 Datasheet

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MAX2900-MAX2904

Manufacturer Part Number
MAX2900-MAX2904
Description
200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
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.
19-2145; Rev 1; 8/03
Functional Diagrams/Pin Configurations are continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
VTUNE
REFEN
VCC1
VREG
RLPF
GND
EN
Automatic Meter Reading
Wireless Security Systems/Alarms
Wireless Sensors
Wireless Data Networks
Wireless Building Control
1
4
5
6
7
2
3
28
8
REG
CP
GATE
________________________________________________________________ Maxim Integrated Products
27
9
MAX2900
200mW Single-Chip Transmitter ICs for
÷4
26
10
General Description
25
11
SYNTHESIZER
8-CHANNEL
24
12
Applications
23
13
22
14
21
20
19
18
17
16
15
D0
D1
N.C.
N.C.
RF-
GND
RF+
868MHz/915MHz ISM Bands
Functional Diagrams/Pin Configurations
o Versions for U.S. 902MHz to 928MHz Band and
o -7dBm to +23dBm Adjustable Differential RF
o +23dBm Output Power at 4.5V, +20dBm Output
o Support BPSK, OOK, ASK, and FM Modulations
o Modulation Filter for Direct Sequence BPSK up to
o Fully Integrated VCO with On-Chip Tank
o Extremely Low Frequency Pulling for OOK
o Integrated Frequency Synthesizer for up to
o +2.7V to +4.5V Supply Operation
o Small 28-Pin QFN Package with Exposed Pad
MAX2900EGI
MAX2901EGI
MAX2902EGI
MAX2903EGI
MAX2904EGI
*Exposed pad
European 868MHz Band
Output Power
Power at 3.0V
8Mchips/s
Modulation (typ 60kHz peak, 5kHz RMS)
8 Channels (MAX2900)
(5mm
VTUNE
REFEN
VCC1
VREG
RLPF
GND
PART
EN
1
3
4
5
6
7
2
5mm)
28
8
CP
REG
GATE
27
9
MAX2901/
MAX2903
-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
TEMP RANGE
Ordering Information
26
10
25
11
SYNTHESIZER
(/62 OR /63)
CHANNEL
DUAL-
24
12
23
13
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
28 QFN-EP*
PIN-PACKAGE
Features
22
14
21
20
19
18
17
16
15
VCO+
VCO-
DIVOUT
GND
RF-
GND
RF+
1

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MAX2900-MAX2904 Summary of contents

Page 1

... Rev 1; 8/03 200mW Single-Chip Transmitter ICs for 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 ...

Page 2

... CAUTION! ESD SENSITIVE DEVICE Five different versions are available. The versions differ by their frequency band of operation, and by the synthe- sizer’s mode of operation. The MAX2900 has an internal 8-channel synthesizer. The MAX2901 and MAX2903 are dual-channel versions with a selectable internal synthesizer division ratio ...

Page 3

Single-Chip Transmitter ICs for DC ELECTRICAL CHARACTERISTICS (continued +2.7V to +4.5V OOKIN = REFEN = high otherwise noted.) (Note 1) PARAMETER Transmit mode with output matching optimized for +17dBm at +3.0V: PWRSET loaded ...

Page 4

... Modulation Filter Final Attenuation Measured at 30MHz Carrier Suppression At 960MHz (measured at RFOUT at Noise Power Density +23dBm output power) 4 _______________________________________________________________________________________ = 68kΩ 22kΩ 917.28MHz (MAX2900/MAX2901/MAX2902 RLPF PWRSET RF = 14.56MHz (MAX2900/MAX2901/MAX2902 REF = +23dBm -40°C to +85°C. Typical values are at V OUT A CONDITIONS MIN 902 867 ...

Page 5

... CC = -40°C to +85° 3. 25° 900MHz to 930MHz = 867MHz to 870MHz OOKIN = high, VASK = 0 OOKIN = high, VASK = 1V = +25°C and +85°C. Min/Max values are guaranteed by design and characterization A = 917.28MHz (MAX2900/MAX2901/MAX2902 REF MIN -3σ TYP +3σ MAX 21 23 ...

Page 6

... Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands (MAX290_ EV kits +4.5V 917.28MHz (MAX2900/MAX2901/MAX2902 68kΩ 22kΩ, VASK = VREG, f PWRSET chip rate on MODIN = 1.22 Mbps, RF output matching network optimized for +23dBm, V otherwise noted.) SUPPLY CURRENT vs 160 T = +85°C A 150 T = +25° ...

Page 7

... SPURIOUS LEVEL BETWEEN ±50MHz FROM CARRIER FREQUENCY 30dBm 10dB/div -70dBm CENTER 917.28MHz _______________________________________________________________________________________ 868MHz/915MHz ISM Bands Typical Operating Characteristics (continued) = 917.28MHz (MAX2900/MAX2901/MAX2902 14.56MHz (MAX2900/MAX2901/MAX2902 REF OUTPUT SPECTRUM WITH 600kHz SQUARE WAVE INPUT AT MODIN 30dBm MKR 917.31MHz -16.33dBm 10dB/div -70dBm ...

Page 8

... Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands PIN MAX2901 MAX2902 MAX2900 MAX2903 MAX2904 — — — _______________________________________________________________________________________ NAME PIN TYPE ...

Page 9

... Single-Chip Transmitter ICs for PIN MAX2901 MAX2902 MAX2900 MAX2903 MAX2904 16, 17 16 — — — 18 — — — — 19 — 19 — — 20 — — 21 — — — — — ...

Page 10

... Detailed Description Principles of Operation When EN goes high, the reference and the VCO start while the PA stays in the off mode. For MAX2900/ MAX2901/MAX2903, the PLL also starts when EN goes high. After the lock-detect pin LD goes high, the PA is set to stand-by mode. For the MAX2902/MAX2904, the VCO loop has to be closed by using an external synthesizer ...

Page 11

Single-Chip Transmitter ICs for used on the EV kit board for +23dBm output power at 4.5V, and 22kΩ is also recommended for +20dBm out- put power at +3.0V. For +17dBm at 3.0V, 36kΩ is rec- ommended. The current consumption, ...

Page 12

... Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands Table 1. MAX2900 Power-Up Modes LOGIC LEVEL REFEN EN OOKIN Table 2. MAX2901/MAX2903 Power-Up Modes REFEN EN OOKIN Table 3. MAX2902/MAX2904 Power-Up Modes REFEN EN OOKIN ...

Page 13

Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands ______________________________________________________________________________________ Typical Operating Circuits 13 ...

Page 14

Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands DIV63 14 ______________________________________________________________________________________ Typical Operating Circuits (continued) ...

Page 15

Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands ______________________________________________________________________________________ Typical Operating Circuits (continued) 15 ...

Page 16

Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands Functional Diagrams/ Pin Configurations (continued VTUNE 1 2 GND 3 VREG REG 4 VCC1 MAX2902/ MAX2904 RLPF GATE 7 REFEN ...

Page 17

Single-Chip Transmitter ICs for (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ 868MHz/915MHz ISM Bands Package Information 17 ...

Page 18

Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry ...

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