Datasheet

AVAILABLE
EVALUATION KIT AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
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For pricing, delivery, and
ordering information, please contact Maxim Direct
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General Description
The MAX2828/MAX2829 single-chip, RF transceiver ICs
are designed specifically for OFDM 802.11 WLAN appli-
cations. The MAX2828 is designed for single-band
802.11a applications covering world-band frequencies
of 4.9GHz to 5.875GHz. The MAX2829 is designed for
dual-band 802.11a/g applications covering world-bands
of 2.4GHz to 2.5GHz and 4.9GHz to 5.875GHz. The ICs
include all circuitry required to implement the RF trans-
ceiver function, providing a fully integrated receive path,
transmit path, VCO, frequency synthesizer, and base-
band/control interface. Only the PA, RF switches, RF
bandpass filters (BPF), RF baluns, and a small number
of passive components are needed to form the com-
plete RF front-end solution.
Each IC completely eliminates the need for external SAW
filters by implementing on-chip monolithic filters for both
the receiver and transmitter. The baseband filtering and
the Rx/Tx signal paths are optimized to meet the
802.11a/g IEEE standards and cover the full range of the
required data rates (6, 9, 12, 18, 24, 36, 48, and 54Mbps
for OFDM; 1, 2, 5.5, and 11Mbps for CCK/DSSS), at
receiver sensitivity levels up to 10dB better than 802.11a/g
standards. The MAX2828/MAX2829 transceivers are avail-
able in the small 56-pin, exposed paddle thin QFN pack-
age.
Applications
Single-/Dual-Band 802.11a/b/g Radios
4.9GHz Public Safety Radios
2.4GHz/5GHz MIMO and Smart Antenna Systems
Features
♦ World-Band Operation
MAX2828: 4.9GHz to 5.875GHz (802.11a)
MAX2829: 2.4GHz to 2.5GHz and 4.9GHz to
5.875GHz (802.11a/b/g)
♦ Best-In-Class Transceiver Performance
-75dBm Rx Sensitivity at 54Mbps (802.11g)
-46dB (802.11g)/-51dB (802.11a) Tx Sideband
Suppression
1.5% (802.11g) and 2% (802.11a) Tx EVM
-100dBc/Hz (802.11g)/-95dBc/Hz (802.11a)
LO Phase Noise
Programmable Baseband Lowpass Filters
Integrated PLL with 3-Wire Serial Interface
93dB (802.11g)/97dB (802.11a) Receiver Gain-
Control Range
200ns Rx I/Q DC Settling
60dB Dynamic Range Rx RSSI
30dB Tx Power-Control Range
Tx/Rx I/Q Error Detection
I/Q Analog Baseband Interface for Tx and Rx
Digital Mode Selection (Tx, Rx, Standby, and
Power Down)
Supports Both Serial and Parallel Gain Control
♦ MIMO and Smart Antenna Compatibility
Coherent LO Phase Among Multiple
Transceivers
♦ Support 40MHz Channel Bandwidth (Turbo Mode)
♦ Single +2.7V to +3.6V Supply
♦ 1µA Low-Power Shutdown Mode
♦ Small 56-Pin TQFN Package (8mm x 8mm)
Single-/Dual-Band 802.11a/b/g
World-Band Transceiver ICs
2
1
3
4
5
6
7
8
B6
TOP VIEW
V
CC
V
CC
B7
N.C.
N.C.
N.C.
GND
RXRFH
GND
TXRFH+
B2 GND B4 V
CC
V
CC
V
CC
V
CC
B5 B3
9
TXRFH-
TXENA
PABIAS
V
CC
V
CC
V
CC
V
CC
TXBBI+
TXBBI-
TXBBQ+
TXBBQ-
R
BIAS
V
REF
GND
DIN
SCLK
RXENA
RXHP
RSSI
V
CC
V
CC
BYPASS
GND
GND
CPOUT
GND
ROSC
LD
B1 RXBBI+ RXBBI- RXBBQ+ RXBBQ-
10
11
12
13
15 16 17 18 19 20
14
21 22 23 24 25 26 27 28
29
33
32
31
34
35
36
37
38
39
40
41
42
55 54 53 52 51 50 49 48 47 46 45 44 4356
30
TUNE
CS
MAX2828
SHDN
Pin Configurations
19-3455; Rev 0; 10/04
Pin Configurations continued at end of data sheet.
MAX2828/MAX2829
Ordering Information
*EP = Exposed paddle.
PART
TEMP RANGE
PIN-PACKAGE
MAX2828 ETN
-40°C to +85°C
56 TQFN-EP* (T5688-2)
MAX2829 ETN
-40°C to +85°C
56 TQFN-EP* (T5688-2)