MAX1213(2004) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1213
(Rev.:2004)

1.8V, 12-Bit, 170Msps ADC for Broadband Applications

Maxim Integrated 

19-1003; Rev 1; 11/04

EVAALVUAAILTAIOBNLEKIT

1.8V, 12-Bit, 170Msps ADC for

Broadband Applications

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

Ordering Information

PART

TEMP RANGE

MAX1213EGK -40°C to +85°C

*EP = Exposed paddle.

PIN-PACKAGE

68 QFN-EP*

Features

♦ 170Msps Conversion Rate

♦ Low Noise Floor of -68dBFS

♦ Excellent Low-Noise Characteristics

SNR = 65.2dB at fIN = 65MHz

SNR = 62.8dB at fIN = 250MHz

♦ Excellent Dynamic Range

SFDR = 78dBc at fIN = 65MHz

SFDR = 71.4dBc at fIN = 250MHz

♦ 62.2dB NPR for fNOTCH = 22MHz and a Noise

Bandwidth of 35MHz

♦ Single 1.8V Supply

♦ 975mW Power Dissipation at fSAMPLE = 170Msps

and fIN = 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

Pin Configuration

TOP VIEW

68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52

AVCC 1

AGND 2

EP

REFIO 3

REFADJ 4

AGND 5

AVCC 6

AGND 7

INP 8

INN 9

AGND 10

AVCC 11

AVCC 12

AVCC 13

AVCC 14

AGND 15

AGND 16

CLKDIV 17

MAX1213

51 D8P

50 D8N

49 D7P

48 D7N

47 D6P

46 D6N

45 OGND

44 OVCC

43 DCLKP

42 DCLKN

41 OVCC

40 D5P

39 D5N

38 D4P

37 D4N

36 D3P

35 D3N

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

QFN

________________________________________________________________ Maxim Integrated Products 1

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.

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