AD9122BCPZ

更新时间： 2024-12-01 06:36:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器 PC
页数	文件大小	规格书
56页	910K
描述
Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-Analog Converter

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AD9122BCPZ 数据手册

Dual, 16-Bit, 1200 MSPS,

TxDAC+^®Digital-to-Analog Converter

AD9122

FEATURES

GENERAL DESCRIPTION

Flexible LVDS interface allows word, byte, or nibble load

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

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

analog converter (DAC) that provides a sample rate of 1200 MSPS,

Analog output: adjustable 8.7 mA to 31.7 mA, R_L= 25 Ω to 50 Ω

Novel 2×/4×/8× interpolator/complex modulator allows

carrier placement anywhere in the DAC bandwidth

Digital gain and phase adjustment for sideband suppression

Multiple chip synchronization interfaces

High performance, low noise PLL clock multiplier

Digital inverse sinc filter

Flexible LVDS interface allows word, byte, or nibble load

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

operating conditions

permitting a multicarrier generation up to the Nyquist frequency.

It 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 comes in a

72-lead LFCSP.

72-lead, exposed paddle LFCSP

PRODUCT HIGHLIGHTS

1. Ultralow noise and intermodulation distortion (IMD)

enable high quality synthesis of wideband signals from

baseband to high intermediate frequencies.

2. A proprietary DAC output switching technique enhances

dynamic performance.

APPLICATIONS

Wireless infrastructure

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

Digital high or low IF synthesis

Transmit diversity

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

3. The 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 ½ or ¼ of the width.

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

rights of third parties that may result from its 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 and registeredtrademarks arethe 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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AD9122BCPZ 替代型号

型号	品牌	替代类型	描述	数据表
AD9122BCPZRL	ADI	类似代替	Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-A

与AD9122BCPZ相关器件

型号	品牌	获取价格	描述	数据表
AD9122BCPZRL	ADI	获取价格	Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-A
AD9122-EP	ADI	获取价格	TxDAC Digital-to-Analog Converter
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

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