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General Description

The MAX1213 is a monolithic, 12-bit, 170Msps analog-

to-digital converter (ADC) optimized for outstanding

dynamic performance at high-IF frequencies up to

300MHz. The product operates with conversion rates

up to 170Msps while consuming only 975mW.

At 170Msps and an input frequency up to 250MHz, the

MAX1213 achieves a spurious-free dynamic range

(SFDR) of 71.4dBc. Its excellent signal-to-noise ratio

(SNR) of 65.5dB at 10MHz remains flat (within 3dB) for

input tones up to 250MHz. This ADC yields an excellent

low-noise floor of -68dBFS, which makes it ideal for

wideband applications such as cable head-end

receivers and power-amplifier predistortion in cellular

base-station transceivers.

The MAX1213 requires a single 1.8V supply. The analog

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 frequencies as high

as 340MHz. This helps to reduce the phase noise of the

input clock source. A low-voltage differential signal

(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 MAX1213 is available in a 68-pin QFN package

with exposed paddle (EP) and is specified over the

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

Pin-compatible 8-bit and 10-bit versions of the MAX1213

are also available. Refer to the MAX1121 (8 bits,

250Msps), MAX1122 (10 bits, 170Msps), MAX1123 (10

bits, 210Msps), and the MAX1124 (10 bits, 250Msps)

data sheets for more information. See Table 2.

Applications

Base-Station Power-Amplifier Linearization

Cable Head-End Receivers

Wireless and Wired Broadband Communication

Communications Test Equipment

Radar and Satellite Subsystems

Features

♦ 170Msps Conversion Rate

♦ Low Noise Floor of -68dBFS

♦ Excellent Low-Noise Characteristics

SNR = 65.2dB at f

= 65MHz

SNR = 62.8dB at f

= 250MHz

♦ Excellent Dynamic Range

SFDR = 78dBc at f

= 65MHz

SFDR = 71.4dBc at f

= 250MHz

♦ 62.2dB NPR for f

NOTCH

= 22MHz and a Noise

Bandwidth of 35MHz

♦ Single 1.8V Supply

♦ 975mW Power Dissipation at f

SAMPLE

= 170Msps

and f

= 65MHz

♦ On-Chip Track-and-Hold Amplifier

♦ Internal 1.24V-Bandgap Reference

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

♦ LVDS Digital Outputs with Data Clock Output

♦ MAX1213 EV Kit Available

MAX1213

1.8V, 12-Bit, 170Msps ADC for

Broadband Applications

________________________________________________________________ Maxim Integrated Products 1

PART TEMP RANGE PIN-PACKAGE

MAX1213EGK -40°C to +85°C 68 QFN-EP*

Pin Configuration

Ordering Information

5859606162 5455565763

AGND

TOP VIEW

OGND

ORP

ORN

D11P

D11N

D10P

D10N

5253

D9P

D9N

AGND

CLKN

CLKP

AGND

OGND

D0N

D1N

D0P

D1P

D6P

D6N

OGND

DCLKP

DCLKN

D5P

D5N

D4P

D4N

D3P

D3N

AGND

INN

INP

AGND

REFADJ

REFIO

AGND

48 D7N

AGND

656667

AGND

T/B

2322212019 2726252418 2928 323130

D2N

D2P

3433

D8N

D7P

51 D8P

CLKDIV 17

MAX1213

QFN

19-1003; Rev 0; 7/04

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.

* EP = Exposed paddle.

EVALUATION KIT

AVAILABLE

1 2 3 4 5 6 ... 20 21

Broadband Applications 1

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MAX12131.8V, 12-Bit, 170Msps ADC for Broadband ApplicationsMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely e

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