MAX1180ECM Maxim, MAX1180ECM Datasheet

MAX1180ECM

Manufacturer Part Number

MAX1180ECM

Description

Dual 10-Bit / 105Msps / +3.3V / Low-Power ADC with Internal Reference and Parallel Outputs

Manufacturer

Maxim

Datasheet

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The MAX1180 is a +3.3V, dual 10-bit, analog-to-digital

converter (ADC) featuring fully-differential wideband

track-and-hold (T/H) inputs, driving two pipelined, nine-

stage ADCs. The MAX1180 is optimized for low-power,

high-dynamic performance applications in imaging,

instrumentation, and digital communication applica-

tions. The MAX1180 operates from a single +2.7V to

+3.6V supply, consuming only 413mW, while delivering

a typical signal-to-noise ratio (SNR) of 58.5dB at an

input frequency of 20MHz and a sampling rate of

105Msps. The T/H driven input stages incorporate

400MHz (-3dB) input amplifiers. The converters may

also be operated with single-ended inputs. In addition

to low operating power, the MAX1180 features a 2.8mA

sleep mode, as well as a 1µA power-down mode to

conserve power during idle periods.

An internal +2.048V precision bandgap reference sets

the full-scale range of the ADC. A flexible reference

structure allows the use of the internal or external

reference, if desired for applications requiring

increased accuracy or a different input voltage range.

The MAX1180 features parallel, CMOS-compatible

three-state outputs. The digital output format is set to

two’s complement or straight offset binary through a

single control pin. The device provides for a separate

output power supply of +1.7V to +3.6V for flexible inter-

facing. The MAX1180 is available in a 7mm

pin TQFP package, and is specified for the extended

industrial (-40°C to +85°C) temperature range.

Pin-compatible higher and lower speed versions of the

MAX1180 are also available. Please refer to the

MAX1181 data sheet for 80Msps, the MAX1182 data

sheet for 65Msps, the MAX1183 data sheet for 40Msps,

and the MAX1184 data sheet for 20Msps. In addition to

these speed grades, this family includes a 20Msps mul-

tiplexed output version (MAX1185), for which digital

data is presented time-interleaved on a single, parallel

10-bit output port.

19-2097; Rev 0; 7/01

Functional Diagram appears at end of data sheet.

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.

High Resolution Imaging

I/Q Channel Digitization

Multichannel IF Undersampling

Instrumentation

Video Application

Dual 10-Bit, 105Msps, +3.3V, Low-Power ADC

with Internal Reference and Parallel Outputs

________________________________________________________________ Maxim Integrated Products

General Description

Applications

7mm, 48-

o Single +3.3V Operation

o Excellent Dynamic Performance:

o SNR Flat within 1dB for f

o Low Power:

o 0.02dB Gain and 0.25° Phase Matching (typ)

o Wide ±1Vp-p Differential Analog Input Voltage

o 400MHz, -3dB Input Bandwidth

o On-Chip +2.048V Precision Bandgap Reference

o User-Selectable Output Format—Two’s

o 48-Pin TQFP Package with Exposed Pad for

MAX1180ECM

Range

Complement or Offset Binary

Improved Thermal Dissipation

COM

INA+

INB+

GND

INA-

GND

INB-

GND

58.5dB SNR at f

72dB SFDR at f

125mA (Normal Operation)

2.8mA (Sleep Mode)

1µA (Shutdown Mode)

CLK

PART

TEMP. RANGE

-40°C to +85°C

Ordering Information

48 TQFP-EP

= 20MHz

MAX1180

Pin Configuration

= 202MHz to 100MHz

PIN-PACKAGE

48 TQFP-EP

Features

D1A

D0A

OGND

D0B

D1B

D2B

D3B

D4B

D5B

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