Datasheet > MAX19692

MAX19692

更新时间： 2024-12-01 14:58:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
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描述
12位、2.3Gsps多奈奎斯特频率DAC

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MAX19692 数据手册

19-0517; Rev 0; 6/06

12-Bit, 2.3Gsps, Multi-Nyquist DAC

with Selectable Frequency Response

MAX1692

General Description

Features

o Industry-Leading Dynamic Performance

SFDR = 68dBc at f = 1200MHz

The MAX19692 12-bit, 2.3Gsps digital-to-analog converter

(DAC) enables direct digital synthesis of high-frequency

and wideband signals in baseband and higher Nyquist

zones. It has been optimized for wideband communica-

tions and radar applications. It has excellent spurious and

noise performance and can be used for synthesis of wide-

band signals in the frequency range from DC to more than

2GHz. The 2.3Gsps update rate allows digital generation

of signals with more than 1GHz bandwidth. The selectable

frequency response enables signal output with high SNR

and excellent gain flatness in the first three Nyquist zones,

reducing the number of upconversion stages needed in a

radio transmitter. With its unique ability to generate broad-

band signals over a wide frequency range, the MAX19692

enables ultra-high data rate wireless modems and multi-

standard software radio transmitters.

OUT

Noise Density = -162dBm/Hz at 200MHz

o 1GHz Signal Bandwidth

o Frequency Response Modes: NRZ, RZ, RF

o High SNR and Exceptional Gain Flatness in

Nyquist Zones 1, 2, 3

o 4:1 Multiplexed LVDS Inputs (Up to 575MHz Each)

o Internal 50Ω Differential Output Termination

o Low Power: 760mW (f

= 1000MHz)

CLK

o Compact 11mm x 11mm, 169 CSBGA Package

o Evaluation Kit Available (Order MAX19692EVKIT)

Ordering Information

PART

TEMP RANGE

PACKAGE

PKG CODE

The MAX19692 features an update rate up to 2.3Gsps,

and has four 12-bit multiplexed low-voltage differential

signaling (LVDS) input ports that each operate up to

575MHz. The device accepts a clock at the DAC update

rate that can be either a sine wave or a square wave. The

input data rate is 1/4 the DAC update rate. The

MAX19692 provides an LVDS data clock output to simpli-

fy interfacing to FPGA or ASIC devices.

The MAX19692 has three frequency response

output modes:

• Non-Return-to-Zero (NRZ) mode is the most common

in the industry and provides highest dynamic range

and output power in the 1st Nyquist zone.

MAX19692EXW-D -40°C to +85°C 169 CSBGA X16911-1

Functional Diagram

RZ RF

DAP[11:0]

DAN[11:0]

12 x 2

DD3.3

FREQUENCY

RESPONSE

SELECT

CLK

DBP[11:0]

DBN[11:0]

12 x 2

DD1.8

DCP[11:0]

DCN[11:0]

4:1

GND

REGISTERED

MUX

DDP[11:0]

DDN[11:0]

12 x 2

OUTP

OUTN

DAC

DATACLKP

DATACLKN

CLOCK

/16 DIVIDER

CAL

• Return-to-Zero (RZ) mode trades off SNR for

improved gain flatness in the 1st, 2nd, and 3rd

Nyquist zones.

• Radio Frequency (RF) mode provides higher SNR

and excellent dynamic performance in the 2nd and

3rd Nyquist zones.

REFRES

REFIO

FSADJ

DACREF

CLKDIV

BANDGAP

REFERENCE

MAX19692

DELAY

CLKP

CLK

CLKN

The MAX19692 is a current-steering DAC with an inte-

grated, self-calibrated 50Ω differential output termina-

tion to ensure optimum dynamic performance. The

MAX19692 operates from 3.3V and 1.8V power sup-

plies and consumes 760mW at 1.0Gsps.

SELECTABLE FREQUENCY RESPONSE

-5

NRZ

-10

-15

-20

-25

-30

-35

-40

Applications

Radar Waveform and

LO Signal Synthesis

Digital IF Generation in

X-Band Transmitters

Arbitrary Waveform

Generators

Direct Digital Synthesis

Automatic Test

Equipment

Direct Digital Generation

of Wideband RF Signals

Up to 2GHz

0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

NORMALIZED TO DAC UPDATE RATE (f

)

CLK

Pin Configuration appears at end of data sheet.

OUT

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...23

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与MAX19692相关器件

型号	品牌	获取价格	描述	数据表
MAX19692EVKIT	MAXIM	获取价格	On-Board 1.25V Reference Circuitry
MAX19693	MAXIM	获取价格	On-Board 1.25V Reference Circuitry
MAX19693	ADI	获取价格	12位、4.0Gsps、具有宽动态范围的宽带DAC
MAX1969EUI	MAXIM	获取价格	Power Drivers for Peltier TEC Modules
MAX1969EUI+	MAXIM	获取价格	暂无描述
MAX1969EUI+T	MAXIM	获取价格	Switching Regulator, Current-mode, 9A, 1000kHz Switching Freq-Max, BICMOS, PDSO28, 4.40 MM
MAX196ACAI	MAXIM	获取价格	Multirange, Single %V, 12-Bit DAS with 12-Bit Bus Interface
MAX196ACNI	MAXIM	获取价格	Multirange, Single %V, 12-Bit DAS with 12-Bit Bus Interface
MAX196ACNI+	MAXIM	获取价格	Analog Circuit, 1 Func, PDIP28, PLASTIC, DIP-28
MAX196ACWI	MAXIM	获取价格	Multirange, Single %V, 12-Bit DAS with 12-Bit Bus Interface

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