Datasheet > AD9122-EP

AD9122-EP

更新时间： 2024-09-25 01:12:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	232K
描述
TxDAC Digital-to-Analog Converter

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中文翻译

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数据手册

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AD9122-EP 数据手册

Dual, 16-Bit, 1130 MSPS,

TxDAC+ Digital-to-Analog Converter

Enhanced Product

AD9122-EP

FEATURES

GENERAL DESCRIPTION

Flexible LVDS interface allows word, byte, or nibble load

Single-carrier W-CDMA ACLR = 82 dBc at 122.88 MHz IF

Analog output: adjustable 8.7 mA to 31.7 mA

Integrated 1x/2×/4×/8× interpolator/complex modulator

allows carrier placement anywhere in the DAC bandwidth

Gain, dc offset, and phase adjustment for sideband

suppression

Multiple chip synchronization interfaces

High performance, low noise PLL clock multiplier

Digital inverse sinc filter

The AD9122-EP is a dual, 16-bit, high dynamic range digital-to-

analog converter (DAC) that provides a sample rate of 1130 MSPS,

permitting multicarrier generation up to the Nyquist frequency.

The AD9122-EP TxDAC+® includes features optimized for direct

conversion transmit applications, including complex digital

modulation, and gain and offset compensation. The DAC outputs

are optimized to interface seamlessly with analog quadrature

modulators, such as the ADL537x F-MOD series from Analog

Devices, Inc. A 4-wire serial port interface provides for

programming/readback of many internal parameters. Full-scale

output current can be programmed over a range of 8.7 mA to

31.7 mA. The AD9122-EP comes in a 72-lead LFCSP. Additional

application and technical information can be found in the

AD9122 data sheet.

Low power: 1.5 W at 1.2 GSPS, 800 mW at 500 MSPS, full

operating conditions

72-lead, exposed paddle LFCSP

ENHANCED PRODUCT FEATURES

PRODUCT HIGHLIGHTS

Supports defense and aerospace applications (AQEC standard)

Military temperature range (such as −55°C to +105°C)

Controlled manufacturing baseline

One assembly/test site

One fabrication site

Enhanced product change notification

Qualification data available on request

1. Ultralow noise and intermodulation distortion (IMD)

enable high quality synthesis of wideband signals from

baseband to high intermediate frequencies (IF).

2. Proprietary DAC output switching technique enhances

dynamic performance.

3. Current outputs are easily configured for various single-

ended or differential circuit topologies.

4. Flexible LVDS digital interface allows the standard 32-wire

bus to be reduced to one-half or one-quarter of the width.

APPLICATIONS

Wireless infrastructure

W-CDMA, CDMA2000, TD-SCDMA, WiMAX, GSM, LTE

Digital high or low IF synthesis

Transmit diversity

COMPANION PRODUCTS

IQ Modulators: ADL5370, ADL537x family

IQ Modulators with PLL and VCO: ADRF6701, ADRF670x family

Clock Drivers: AD9516, AD951x family

Wideband communications: LMDS/MMDS, point-to-point

Voltage Regulator Design Tool: ADIsimPower

Additional companion products on the AD9122 product page

TYPICAL SIGNAL CHAIN

COMPLEX BASEBAND

COMPLEX IF

LO – f

I DAC

2/4

SIN

DIGITAL

ANTIALIASING

FILTER

BASEBAND

AQM

PROCESSOR

COS

Q DAC

NOTES

1. AQM = ANALOG QUADRATURE MODULATOR.

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD9122-EP相关器件

型号	品牌	获取价格	描述	数据表
AD9122-M5372-EBZ	ADI	获取价格	Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-A
AD9122-M5375-EBZ	ADI	获取价格	Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-A
AD9122SCPZ-EP	ADI	获取价格	TxDAC Digital-to-Analog Converter
AD9122SCPZ-EP-RL	ADI	获取价格	TxDAC Digital-to-Analog Converter
AD9125	ADI	获取价格	Dual, 16-Bit, 1000 MSPS, TxDAC+ Digital-to-Analog Converter
AD9125BCPZ	ADI	获取价格	Dual, 16-Bit, 1000 MSPS, TxDAC Digital-to-Analog Converter
AD9125BCPZRL	ADI	获取价格	Dual, 16-Bit, 1000 MSPS, TxDAC+ Digital-to-Analog Converter
AD9125-M5372-EBZ	ADI	获取价格	Dual, 16-Bit, 1000 MSPS, TxDAC+ Digital-to-Analog Converter
AD9125-M5375-EBZ	ADI	获取价格	Dual, 16-Bit, 1000 MSPS, TxDAC+ Digital-to-Analog Converter
AD9129	ADI	获取价格	11-/14-Bit, 5.6 GSPS, RF Digital-to-Analog Converter

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