MAX1124EGK-D Maxim Integrated, MAX1124EGK-D Datasheet

MAX1124EGK-D

Manufacturer Part Number

MAX1124EGK-D

Description

Analog to Digital Converters - ADC

Manufacturer

Maxim Integrated

Datasheet

1.MAX1124EGK-D.pdf (17 pages)

Specifications of MAX1124EGK-D

Number Of Channels

Architecture

Pipeline

Conversion Rate

250000 KSPs

Resolution

10 bit

Input Type

Single-Ended/Differential

Snr

57.1 dB

Interface Type

LVDS, Parallel

Operating Supply Voltage

1.7 V to 1.9 V

Maximum Operating Temperature

+ 85 C

Package / Case

QFN EP

Maximum Power Dissipation

657 mW

Minimum Operating Temperature

- 40 C

Number Of Converters

Voltage Reference

Internal, External

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The MAX1124 is a monolithic 10-bit, 250Msps analog-

to-digital converter (ADC) optimized for outstanding

dynamic performance at high IF frequencies up to

500MHz. The product operates with conversion rates of

up to 250Msps while consuming only 477mW.

At 250Msps and an input frequency of 100MHz, the

MAX1124 achieves a spurious-free dynamic range

(SFDR) of 71dBc. Its excellent signal-to-noise ratio

(SNR) of 57.1dB at 10MHz remains flat (within 1dB) for

input tones up to 500MHz. This makes the MAX1124

ideal for wideband applications such as digital predis-

tortion in cellular base-station transceiver systems.

The MAX1124 requires a single 1.8V supply. The ana-

log input is designed for either differential or single-

ended operation and can be AC- or DC-coupled. The

ADC also features a selectable on-chip divide-by-2

clock circuit, which allows the user to apply clock fre-

quencies as high as 500MHz. This helps to reduce the

phase noise of the input clock source. A differential

LVDS sampling clock is recommended for best perfor-

mance. The converter’s digital outputs are LVDS com-

patible, and the data format can be selected to be

either two’s complement or offset binary.

The MAX1124 is available in a 68-pin QFN with

exposed pad (EP) and is specified over the industrial

(-40°C to +85°C) temperature range.

For pin-compatible, lower speed versions of the

MAX1124, refer to the MAX1122 (170Msps) and the

MAX1123 (210Msps) data sheets. For a pin-compatible

8-bit version of the MAX1124, refer to the MAX1121

data sheet.

19-3029; Rev 2; 8/08

For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

1.8V, 10-Bit, 250Msps Analog-to-Digital Converter

Wireless and Wired Broadband Communication

Cable-Head End Systems

Digital Predistortion Receivers

Communications Test Equipment

Radar and Satellite Subsystems Antenna Array

Processing

with LVDS Outputs for Wideband Applications

________________________________________________________________ Maxim Integrated Products

General Description

Applications

♦ 250Msps Conversion Rate

♦ SNR = 56.8dB/55.5dB at f

♦ SFDR = 71dBc/63.8dBc at f

♦ NPR = 54.8dB at f

♦ Single 1.8V Supply

♦ 477mW Power Dissipation at 250Msps

♦ On-Chip Track-and-Hold and Internal Reference

♦ On-Chip Selectable Divide-by-2 Clock Input

♦ LVDS Digital Outputs with Data Clock Output

♦ Evaluation Kit Available (Order MAX1124EVKIT)

* EP = Exposed pad.

MAX1124EGK

REFADJ

CLKDIV

AGND

REFIO

AGND

INN

INP

TOP VIEW

PART

-40°C to +85°C

TEMP RANGE

NOTCH

Ordering Information

MAX1124

Pin Configuration

= 28.8MHz

= 100MHz/500MHz

PIN-PACKAGE

68 QFN-EP*

Features

D6P

D6N

D5P

D5N

D4P

D4N

OGND

DCLKP

DCLKN

D3P

D3N

D2P

D2N

D1P

D1N

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