802.11b wlan 12 3µa rs-422 - maxim integrated · 2004-05-19 · 2 (dac) 3 asic 6 ic 9 802.11b wlan...

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

( )

____________________________________ / ____________________________

____________________________________ __________________________________

____________________________________________________________________________

____________________________________ __________________________________

____________________________________

____________________________________

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/ ____________________________ ____________ /

( 3 )

EJ50 4/04

MAXIM 800 810 0310

010-6201 0598010-6201 0298

SOLOMON QCE INGRAM MICRO ( ) AVNET010-68408123 ( ) 68408125 ( ) 010-82644888 ( ) 82644333( ) 010-64413113 ( ) 64438260 ( )021-68867026 ( ) 68867217 ( ) 021-64435555 ( ) 64433355( ) 021-52062288 ( ) 52062299 ( )0755-83782626 ( ) 83781753 ( ) 0755-83663721 ( ) 83663027( ) 0755-83781886 ( ) 83780079 ( )028-85535552 ( ) 85593712 ( ) 028-85218282 ( ) 85218383( ) 852-21765388 ( ) 27902182 ( )025-6899420 ( ) 6899419 ( ) 027-87272022 ( ) 87275076( )852-24934202 ( ) 24136307 ( ) 852-27411212 ( ) 27418552( )