Datasheet > ADLD8403ACPZ-R2

ADLD8403ACPZ-R2

更新时间： 2024-11-15 19:52:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
11页	341K
描述
Ultralow Power, Adaptive Linear Power, Dual-Port ADSL/ADSL2+ Line Driver

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ADLD8403ACPZ-R2 数据手册

Ultralow Power, Adaptive Linear Power,

Dual-Port ADSL/ADSL2+ Line Driver

ADLD8403

Data Sheet

FEATURES

INTERNAL SCHEMATIC

VCC VCCP

2 differential DSL channels comprising current feedback,

high output current amplifiers with integrated feedback

resistors plus biasing network

Ideal for use as ADSL/ADSL2+ dual-channel central office

(CO) line drivers

Low power consumption using Class H technology

Single 12.5 V supply operation

20.4 dBm line power, 1:1 transformer

Less than 600 mW per channel total power dissipation

while driving 20.4 dBm (includes 110 mW line power)

Less than 275 mW per channel total power dissipation

while driving 14.5 dBm (including line power)

High output voltage and current drive

43.4 V differential output voltage swing

Low distortion

INPA

VCOM_A

INNA

VOPA

VCC

4kΩ

= 13V/V

VONA

VEEP

Figure 1. Channel A Internal Schematic

−65 dBc typical multitone power ratio (MTPR) at 20.4 dBm,

26 kHz to 2.2 MHz

Low cost protection components enable ITU-T-K20 and

GR-1089 compliance

APPLICATIONS

ADSL/ADSL2+ CO line drivers

GENERAL DESCRIPTION

The ADLD8403 comprises two differential, high output current,

low power consumption operational amplifiers. It is particularly

well suited for the CO driver interface in digital subscriber line

systems, such as ADSL and ADSL2+. The driver can deliver 20.4

dBm to a line while compensating for losses due to hybrid

insertion and back termination resistors. The ADLD8403 uses

the Analog Devices, Inc., second generation Adaptive Linear

Power™ (Class H) architecture to achieve unprecedented power

efficiency using a single power supply. Additional functionality

allows the shutdown of pumps for enhanced power savings for

line powers of less than 14.5 dBm. This functionality yields the

smallest printed circuit board (PCB) footprint and lowest total

cost of ownership.

The ADLD8403 is available in a 4 mm × 4 mm, 20-lead LFCSP.

–2

VOPA

VONA

VOPB

VONB

VCCP

VEEP

–6

The low power consumption, high output current, high

output voltage swing, and robust thermal packaging enable

the ADLD8403 to be the CO line driver in ADSL and other

xDSL systems.

TIME (µs)

Figure 2. Outputs and Pumps Time Domain Response, Typical ADSL/ADSL2+

Application Circuit, V_CC= 12.5 V, P_OUT= 20.4 dBm, Crest Factor = 5.45

Rev. D

Document Feedback

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

responsibility is assumed byAnalog 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.

Trademarksandregisteredtrademarksare the property oftheir respective owners.

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

Technical Support

www.analog.com

12 3 4 5 6 7...11

中文翻译

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ADLD8403ACPZ-R2 替代型号

型号	品牌	替代类型	描述	数据表
ADLD8403ACPZ-RL	ADI	完全替代	Ultralow Power, Adaptive Linear Power, Dual-Port ADSL/ADSL2+ Line Driver

与ADLD8403ACPZ-R2相关器件

型号	品牌	获取价格	描述	数据表
ADLD8403ACPZ-R7	ADI	获取价格	Ultralow Power, Adaptive Linear Power, Dual-Port ADSL/ADSL2+ Line Driver
ADLD8403ACPZ-RL	ADI	获取价格	Ultralow Power, Adaptive Linear Power, Dual-Port ADSL/ADSL2+ Line Driver
ADLD8404ACPZ-R2	ADI	获取价格	IC DUAL LINE DRIVER, QCC24, 4 X 4 MM, ROHS COMPLIANT, LFCSP-24, Line Driver or Receiver
ADLD8404ACPZ-R7	ADI	获取价格	IC DUAL LINE DRIVER, QCC24, 4 X 4 MM, ROHS COMPLIANT, LFCSP-24, Line Driver or Receiver
ADLD8404ACPZ-RL	ADI	获取价格	IC DUAL LINE DRIVER, QCC24, 4 X 4 MM, ROHS COMPLIANT, LFCSP-24, Line Driver or Receiver
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