MAX5866ETM+【PDF 1/26 页】IC ANLG FRONT END 60MSPS 48-TQFN

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Sheet目录2011

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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.

General Description

The MAX5866 ultra-low-power, highly integrated analog

front end is ideal for portable communication equipment

such as handsets, PDAs, WLAN, and 3G wireless termi-

nals. The MAX5866 integrates dual, 8-bit receive ADCs

and dual, 10-bit transmit DACs while providing the high-

est dynamic performance at ultra-low power. The ADCs’

analog I-Q input amplifiers are fully differential and

accept 1VP-P full-scale signals. Typical I-Q channel

phase matching is ±0.2° and amplitude matching is

±0.05dB. The ADCs feature 48dB SINAD and 70.1dBc

spurious-free dynamic range (SFDR) at fIN = 25MHz and

fCLK = 60MHz. The DACs’ analog I-Q outputs are fully

differential with ±400mV full-scale output, and 1.4V com-

mon-mode level. Typical I-Q channel phase matching is

±0.4° and gain matching is ±0.1dB. The DACs also fea-

ture dual, 10-bit resolution with 64.2dBc SFDR, at fOUT =

6MHz and fCLK = 60MHz.

The ADCs and DACs operate simultaneously or indepen-

dently for frequency-division duplex (FDD) and time-divi-

sion duplex (TDD) modes. A 3-wire serial interface

controls power-down and transceiver modes of opera-

tion. The typical operating power is 96mW at fCLK =

60MHz with the ADCs and DACs operating simultane-

ously in transceiver mode. The MAX5866 features an

internal 1.024V voltage reference that is stable over the

entire operating power-supply range and temperature

range. The MAX5866 operates on a +2.7V to +3.3V ana-

log power supply and a +2.7V to +3.3V digital I/O power

supply for logic compatibility. The quiescent current is

12mA in idle mode and 1A in shutdown mode. The

MAX5866 is specified for the extended (-40°C to +85°C)

temperature range and is available in a 48-pin thin QFN

package.

Applications

Narrowband/Wideband CDMA Handsets

and PDAs

Fixed/Mobile Broadband Wireless Modems

3G Wireless Terminals

VSAT Modems

Features

Integrated Dual, 8-Bit ADCs and Dual, 10-Bit DACs

Ultra-Low Power

80mW at fCLK = 60MHz (Rx Mode)

52.5mW at fCLK = 60MHz (Tx Mode)

Low-Current Idle and Shutdown Modes

Excellent Dynamic Performance

48dB SINAD at fIN = 25MHz (ADC)

64.2dBc SFDR at fOUT = 6MHz (DAC)

Excellent Gain/Phase Match

±0.2° Phase, ±0.05dB Gain at fIN = 25MHz (ADC)

Internal/External Reference Option

+2.7V to +3.3V Digital Output Level (TTL/CMOS

Compatible)

Multiplexed Parallel Digital Input/Output for

ADCs/DACs

Miniature 48-Pin Thin QFN Package (7mm 7mm)

Evaluation Kit Available (Order MAX5865EVKIT)

MAX5866

Ultra-Low-Power, High-Dynamic-

Performance, 60Msps Analog Front End

________________________________________________________________ Maxim Integrated Products

ADC

IA+

IA-

QA+

QA-

ID+

ID-

QD+

QD-

REFP

COM

REFN

DIN

SCLK

REFIN

DAC

ADC

OUTPUT

MUX

DAC

INPUT

MUX

CLK

DA0–DA7

DD0–DD9

MAX5866

REF

AND

BIAS

SERIAL

INTERFACE

AND SYSTEM

CONTROL

ADC

Functional Diagram

19-3223; Rev 0; 2/04

EVALUATION

KIT

AVAILABLE

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX5866ETM

-40

°C to +85°C

48 Thin QFN-EP*

(7mm x 7mm)

*EP = Exposed paddle.

Pin Configuration appears at end of data sheet.

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