802.11b wlan 12 3µa rs-422 - maxim integrated · 2004-05-19 · 2 (dac) 3 asic 6 ic 9 802.11b wlan...
TRANSCRIPT
2
(DAC) 3
ASIC 6
IC 9
802.11b WLAN 12
3µA RS-422 16
3V 12VP-P 18
Maxim IEEE 802.11b MAX2820 ZIF MAX2242 ( 12 )
90 0
90 0
ZIF TRANSCEIVER
POWER AMPLIFIER
STANDARD BASEBAND/MAC
MACPHYSYSTEM
CLOCK INPUTXTALOSC
Tx GAINCONTROL
MODECONTROL
Rx BB I
Tx BB I
Rx BB Q
Tx BB Q
ADC
DAC
DAC
DAC
Rx GAINCONTROL
PA BIASDAC
BIAS/POWER
CONTROL
BALU
NBA
LUN
MAX2242
MAX2820
POWERDETECTOR
ADC
ADC
DAC
1.5mm x 2mm UCSP PACKAGE
7mm x 7mm 48-QFN
LEADLESS PACKAGE
LOOP FILTER
MAX2820
MAX2242
PLL SYNTHESIZER
MAXIM 2004
Maxim Integrated Products, Inc., (MXIM) 2003 9 27 310.2
2003 295.0 5.1% 87.4
73.2 19.4% 81.7 6.9%
0.25 0.22 13.6% 2003 0.24 4.2%
15.5 379,000 26.1
23.0 130.6
4.2 131.0 5.7 115.4
2.2 70.1
22.6% 2003 67.2 22.8%
21.0 21.4 7.1% 6.9%
349 313 12%
180 161 12% (
)
12 252 233
2004 12 227
199 2004
Jack Gifford
14 11
2001
Gifford 0.08 2003 11 28 2003
11 10
News Brief
(DAC)UMTS CDMA GSM
DAC
DAC
SFDR IMD SNR ACPR
DAC
DAC (QAM )
(DDS )
UMTS cdma2000® GSM /EDGE
UMTS GSM/EDGE
cdma2000
DAC
UMTS
DAC UMTS
DAC
DAC
UMTS ( 100MHz)
500Msps MAX5888
UMTS UMTS
DAC
QAM QAM256
GSM/EDGE DAC
SFDR IMD
SNR
MAX5195 SFDR SNR
IMD DDS DAC
MAX588X (MAX5886/
MAX5887/MAX5888) MAX5195
MAX588X MAX5195
MAX588X DAC
500Msps
50MHz 400Msps
MAX5888 SFDR 67dBc
8 0 M H z S N R
(-155dB/Hz) IMD (-72dBc)
500Msps 3.3V
(235mW )
3
1. SFDR MAX5195
600 20 40 60 80 100
65
70
75
80
85
90
SFDR
(dBc
)
SFDR vs. OUTPUT FREQUENCY
OUTPUT FREQUENCY (MHz)
MAX5195
COMPETITION
cdma2000 Telecommunications Industy Association
LVDS
LVDS 500Msps
MAX588X MAX5195
1
SFDR SNR -160dB/Hz
IMD (32MHz
87dBc) 14 DAC
LVPECL LVDS
DAC QFN MAX588X
68 MAX5195 48
QFN (7mm x 7mm)
DAC
UMTS
100MHz
UMTS
1MHz -58dBc 2
300Msps 60MHz
MAX5888 100MHz
( 8dB )
(ACPR)
3 UMTS
60MHz ACPR
(-45dBc -50dBc)
25dB
4 MAX5888 UMTS (
ACPR ) ACPR
MAX5888 (
) -45dBc -50dBc
20dB
CDMA
ACPR
4
2. MAX5888 SFDR 60MHz
100MHz
3. MAX5888 UMTS ACPR 61MHz
5
1MHz IF 30MHz
40W
-59dBc
MAX5888 19dB
CDMA
GSM/EDGE
DAC MAX5195
1MHz
IMD ( 6 )
-18dBFS DAC
25MHz
48MHz
IMD -70dBc MAX5888
8dB
( -15dB)
6dB MAX5888 SNR -160dB/Hz
GSM /EDGE
Maxim DAC
MAX5886/
MAX5887/MAX5888
MAX5195 260Msps
GSM
5
4. MAX5888 UMTS ACPR
61MHz
6. MAX5195 IMD
GSM 48MHz
4-TONE MTPR PERFORMANCE
ANALOG OUTPUT FREQUENCY (MHz)
4-TONE MTPR: -70dBc
36.5
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-11039.0 41.5 44.0 46.5 49.0 51.5 54.0 56.5 59.0 61.5
AMPL
ITUD
E (d
Bm)
fCENTER = 48.9583MHzfCLK = 260MspsAmplitude per tone: -18dBFSBandwidth: 25MHzTone spacing: 1MHzIMD = -77dBcSFDR = 83dBc
fT1 = 46.875MHzfT2 = 47.9583MHzfT3 = 50.041MHzfT4 = 51.125MHz
fT1 fT2 fT3 fT4
5. MAX5888 IMD
CDMA
30MHz
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
25.75 27. 25 28.75 30. 25 31.75 33. 25 34. 75
AMPL
ITUD
E (d
Bm)
fT1 fT2 fT3 fT4 fT5 fT6 fT7 fT8
ANALOG OUTPUT FREQUENCY (MHz)
8-TONE MTPR PERFORMANCE
fCENTER = 30.1163MHzfCLK = 300MspsAmplitude per tone: -24dBFS
fT1 = 26.0330MHzfT2 = 27.0457MHzfT3 = 28.0583MHzfT4 = 29.1037MHz
fT5 = 31.1290MHzfT6 = 32.0110MHzfT7 = 33.0563MHzfT8 = 34.0697MHz
8 TMTPR: -78dBc
ASIC
ASIC
150W 1V 1.5V
100A DC-DC
DC-DC
PLL
buck
20A 30A
buck
360/n
n
IC
RMS 1
k
PCB 1812
2A 3A
<2% 1.2V
±25mV
±25mV ( )
( )
( )
ESR
ESR
ESR
MOSFET
12V 1.2V MOSFET 90%
MOSFET
MOSFET
RDS(ON) MOSFET
MOSFET
MOSFET
1
MOSFET
MOSFET
6
7
MOSFET
10% MOSFET
MOSFET
(tON
tOFF) MOSFET
MOSFET
MOSFET
-
1 MOSFET
-
20%
40%
( 40%)
1
100LFM 200LFM
0.6°C/W
2°C/W 100LFM
200LFM
1 MAX5038 DC-DC
MAX5038
(VSP/VSN ) /
EAN (DIFF)
MAX5038 MAX5038
(CLKOUT) PHASE
CLKIN
90°
1. buck 12V 1.2V100A buck
RMS ripple current 94.8A 47.4A 23.7A 11.9APackage size DPAK DPAK SO-8 SO-8Number required 3 2 (1/ph) 8 (2/ph) 8 (1/ph)Power dissipation (each) 6W 12W 1.4W 1WTotal power dissipation 18W 24W 11.2W 8W
Number required 7 7 7 7VSS ripple 22mV 11mV 5mV 1mVHeatsink capacity 0.6°C/W 1°C/W 2°C/W 4°C/WEstimated efficiency 69 77 85 89
1 2 4 8Current per phase 100A 50A 25A 12.5A
Ripple current 31.6A 22A 15.8A 11.2ANumber required 11 8 6 4
RMS ripple current 31.6A 15.8A 7.9A 3.9APackage size DPAK DPAK SO-8 SO-8Number required 2 2 (1/ph) 8 (2/ph) 8 (1/ph)Power dissipation (each) 22W 1.8W 0.32W 0.22WTotal power dissipation 4.4W 3.6W 2.5W 1.76W
Number of Phases
Input capacitor, 3A rated
H/S MOSFET
L/S MOSFET
COUT 470µF, 10mΩ
(EAOUT)
CLP1 CLP2 ( )
DC-DC 1V
1.5V 100A ASIC
MOSFET
8
1. MAX5038
LOGIC
LOGIC
LOGIC
PLLRAMP GEN
PLLRAMP GEN
LOGICREF
REF
CLK OUT
CLK IN
CLK IN
C IN
VIN
EAOUT
EAOUT
EAN
DIFF
CLK OUT
EAN
DIFF
VSP
VSN
VSP
VSN
V ERRORAMP
V ERRORAMP
I ERRORAMP
I ERRORAMP
I ERRORAMP
I ERRORAMP
I SENSE
I SENSE
I SENSE
I SENSE
CLP2
CLP2
CLP1
CLP1
C OUT
L
L
L
L
MAX5038 SLAVE
MAX5038 MASTER
VOUT
IC
FPGA
IC
IC
128°C 100°C
150°C
IC
LSB 1°C MSB
64°C
64°C MSB
128°C
128°C 150°C
MSB 128°C
255°C
127°C
150°C
CPU
100°C
145°C
( 1 )
150°C
9
1.
TEMPERATURE 127°C
EXTENDED-RANGEREMOTE SENSOR
CONVENTIONAL REMOTETEMPERATURE SENSOR
TYPICAL DEVICEOPERATING RANGE
SHUTDOWNRANGE
HIGH-TEMPERATURE DEVICE OPERATING RANGE
150°C
TEM
PERA
TURE
DAT
A
10
10:1 ( 1N4001
)
IH
IL
VH IH
VL IL
n
k (1.38 x 10-23J/°K)
T (°K)
q (1.60 x 10-19 °C)
= 10
VH - VL = 1.986 x 10 -4 x nT
n
1.0 Pentium® III
1.008 Pentium IV
1.002
(ADC)
1°C
200µV
ADC
Maxim
(MSB)
128°C
MSB
Maxim
150°C
Maxim
MAX6627 2001 MAX6627
( )
8 SOT-23
2003 Maxim MAX6646/MAX6647/
MAX6649
I2C TM/SMBusTM
145°C
1°C ( 2 )
MAX6692
128°C
IC
2003
MAX6642 ( 3 ) SMBus
6
TDFN 3mm x 3mm 0.8mm
60°C 100°C ±1°C 100°C
150°C ±3.5°C
IH
IL
VH - VL = n lnkTq
IH
IL
Pentium Intel Corporation
Maxim Integrated Products, Inc. I2C
Philips I2C I2C
Philips I2C
SMBus Intel Corporation
11
2. MAX6649 CPU 60°C 145°C 1°C
150°C
VCC
DXP
DXN
TO FAN POWER,CLOCK THROTTLE,OR SYSTEMSHUTDOWN
ON-CHIPPN JUNCTION
3.3V
10kΩ10kΩ10kΩ
SMBus SERIALINTERFACE(TO SMBus MASTER)
SMBCLK
SMBDATA
ALERT
GND
2200pF
MAX6649
OVERT
CPU OR GPU
3. MAX6642 150°C
VCC
DXP
ON-CHIPPN JUNCTION
3.3V
10kΩ10kΩ10kΩ
SMBCLK
SMBDATA
ALERT
GND
2200pF
MAX6642CPU
2004 1 ECN
Maxim
802.11b WLAN
IEEE 802.11b
Maxim RF (RF
) IEEE 802.11b WLAN (
)
MAX2820 MAX2821
2.4GHz 2.5GHz ISM ( – –
) 802.11b (11Mbps)
MAX2821
MAX2820
802.11b
VCO /
802.11b ( MAX2242)
RF RF
802.11b (1Mbps 2Mbps
5.5Mbps 11Mbps)
PBCCTM ( ) 22Mbps
MAX2820/MAX2821 7mm x
7mm 48 QFN/ QFN
MAX2820–MAX2242 Maxim
Maxim
cdma2000/W-CDMA GSM/GPRS
EDGE IC (ZIF)
ZIF
Maxim (ZIF)
-87dBm (11Mbps ) -97dBm (1Mbps
) 2dB 3dB
1dB 2dB
(SAW)
RF
SAW
( 34dB )
4.5dB
(>11MHz)
Maxim RF BiCMOSTM (
)
ZIF /
802.11b
MAX2820 ZIF
IF SAW
SAW MAX2820
MAX2247 PA RF 4
33 4 MAX2820 802.11b
MAC/ DSP 20mm x
40mm (RF 26.5mm x 12mm)
MAX2820 RX_AGC
I Q
70dB 100Ω LNA
( ) 2:1
LNA 30dB
LNA IC
CMOS IC
LNA
12
PBCC Texas Instruments Incorporated BiCMOS Maxim Integrated Products, Inc.
MAX2820 2.7V
85mA MAX2820 RF
VCC
Murata Toko
20Ω 50Ω
TX_GC MAX2820
3 0 d B
11Mbps
+2dBm
-37dBc -59dBc ( 1)
MAX2820
/ (DAC)
ZIF (LO) RF
DAC
LO
MAX2820
TX_ON
2.2µs
MAX2820 ZIF
75mA ( 2 .7V )
MAX2820 /MAC
/ +1.2V
IC I /Q
MAX2242
MAX2242 3 (PA)
MAX2242
802.11b WLAN ( )
3 x 4
(UCSPTM) 1.5mm x 2mm
+3.3V MAX2242 28.5dB
+22.5dBm 802.11b
-33dBc
-55dBc
-40dBc (2f 3f 4f)
+10dBm +22.5dBm
+26.5dBm
MAX2820 MAX2242
IEEE 802.11b ( 2 ) IC
MAX2820
( 3 ) (BOM)
RF / 50Ω
SMA
I /Q /
13
1. MAX2820
UCSP Maxim Integrated Products, Inc.
IC
( 4) Maxim WLAN
( /MAC )
WLAN
802.11b 2.4GHz WLAN
CCK PBCK
( 5)
+20dBm
MAX2822
+17dBm
14
3. MAX2820 50Ω SMA
2. Maxim IEEE 802.11b MAX2820 ZIF MAX2242
90 0
90 0
ZIF TRANSCEIVER
POWER AMPLIFIER
STANDARD BASEBAND/MAC
MACPHYSYSTEM
CLOCK INPUTXTALOSC
Tx GAINCONTROL
MODECONTROL
Rx BB I
Tx BB I
Rx BB Q
Tx BB Q
ADC
DAC
DAC
DAC
Rx GAINCONTROL
PA BIASDAC
BIAS/POWER
CONTROL
BALU
NBA
LUN
MAX2242
MAX2820
POWERDETECTOR
ADC
ADC
DAC
1.5mm x 2mm UCSP PACKAGE
7mm x 7mm 48-QFN
LEADLESS PACKAGE
LOOP FILTER
MAX2820
MAX2242
PLL SYNTHESIZER
15
4. MAX2820/MAX2242 PCB (26.5mm x 12mm)
5. 802.11 RF CCK PBCK
MAX2820(7mm x 7mm)
MAX2242(1.5mm x 2mm)
16
RS-422
RS-422
1
3V 3µA
RS-422
U1 U2
(RO) A1 B1
U1 RO
( 1 ) RO
ON U2
U2
RS-422
RO
(
)
( 2 ) A2 (
) B2 ( )
700µs U2
1 R1/C1 R2/C2
1. 3µA RS-422
DESIGN SHOWCASE
3µARS-422
MAX3471
MAX3471
B1
VCC
VCC
VCC
D11N4148
D21N4148
R14.7MΩ
R24.7MΩ
C1220pF
C2220pF
C3100nF
C4100nF
VCC
VCC
VCC
8
7
6
5
1
2
3
4
U1
B
A
GND
RO
RE
DE
DI
VCC8
7
6
5
1
2
3
4
U2
B
A
GND
RO
RE
DE
DI
R3120Ω
R4120Ω
A1
GND1
GND2
B2
A2
4
56
U3B74HC00
U4A74HC74
U4B74HC74
11
3
2
6CLK
D
Q
Q5
PRE
4
13
23
910
8
U3A74HC00
U3C74HC00
1213
11
U3D74HC00
CLR
10
12
11
9D
CLK
Q
Q8
CLR
PRE
17
2. 1V 400µs
(dB)
18
8VP-P
1
IC1 3V
12VP-P
IC1 (MAX4410)
+3V
-3V ±3V
IC1
6VP-P IC1
(BTL) 12VP-P
BTL IC1
Panasonic® WM-R57A
THD+N
2 3 THD+N
4 IC1
IC1
/
( 1 )
10Ω
DESIGN SHOWCASE
3V 12VP-P
1. (BTL)
MAX4410
IC1
OUTR
(11)
INR
(13)
IN1
(10)
AUDIOINPUT
1µF 10kΩ
10kΩ
10kΩ
10kΩ
100µH
OPTIONALRL NETWORK
10kΩ
OUTL
(8)
Panasonic Matsushita Electric Industrial Co., Ltd.
19
2. 1 THD+N WM-R57A
100
10
1
0.1
0.001
0.0001
THD+
N (%
)
OUTPUT VOLTAGE (VP-P)0 2 4 6
f = 10kHz
f = 1kHz
f = 100Hz
8 10 12 14
THD+N vs. OUTPUT VOLTAGE
3. 1 THD+N THD+N
2
1
0.1
0.01
0.001
THD+
N (%
)
10 100 1000 10000
FREQUENCY (Hz)
100000 1000000
THD+N vs. FREQUENCY
VOUT = 2VP-P
4. 1 IC1 OUTR WM-R57A
OUTR
2V/div
20µs/div
MAX4410 TRANSIENT RESPONSE
www.maxim-ic.com
010-62010298www.maxim-ic.com.cn
www.maxim-ic.com.cn/sample.htmwww.maxim-ic.com.cn/technical.htm8008100310 010-62010598
8328 100083
24
Maxim/Dallas
Maxim/Dallas
Maxim/Dallas CD-ROM
( )
____________________________________ / ____________________________
____________________________________ __________________________________
____________________________________________________________________________
____________________________________ __________________________________
____________________________________
____________________________________
________________________________________________________________________
/ ____________________________ ____________ /
( 3 )
EJ50 4/04
MAXIM 800 810 0310
010-6201 0598010-6201 0298
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