Datasheet > ADA4312-1_17

ADA4312-1_17

更新时间： 2024-11-24 01:18:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	441K
描述
Wideband, Differential, High Output Current Line Driver with Shutdown

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数据手册

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ADA4312-1_17 数据手册

Wideband, Differential, High Output Current

Line Driver with Shutdown

Data Sheet

ADA4312-1

FEATURES

FUNCTIONAL BLOCK DIAGRAM

High speed

−3 dB bandwidth: 195 MHz, G_DIFF= +16 V/V, R_{L, DIFF}= 40 Ω

Differential slew rate: 2100 V/µs

Wide output swing: 18.0 V p-p differential, 12 V supply

High output current: 225 mA peak

G.hn MTPR at 16 dBm line power

−64 dBc typical at 5 MHz, referred to −58 dBm/Hz

−64 dBc typical at 17 MHz, referred to −58 dBm/Hz

−64 dBc typical at 28 MHz, referred to −58 dBm/Hz

−63 dBc typical at 31 MHz, referred to −58 dBm/Hz

−61 dBc typical at 59 MHz, referred to −58 dBm/Hz

−62 dBc typical at 82 MHz, referred to −58 dBm/Hz

Shutdown

–IN A 2

+IN A 3

GND 4

–IN B

10 +IN B

ADA4312-1

NC = NO CONNECT. DO NOT CONNECT

TO THIS PIN.

Figure 1. Thermally Enhanced, 4 mm × 4 mm, 16-Lead LFCSP

CMOS-compatible SD pin

Shutdown quiescent current: 3 mA

TYPICAL APPLICATION CIRCUIT

_OUTin shutdown: 10 kΩ differential (open-loop)

Resistor adjustable quiescent current

1/2

ADA4312-1

APPLICATIONS

ITU G.hn (ITU G.9960/G.9961)

HomePlug AV

MID

HomePlug AV2

IEEE 1901

1/2

GENERAL DESCRIPTION

ADA4312-1

MID

The ADA4312-1 is a high speed, differential, current feedback line

driver designed for half-duplex G.hn power line communication

(PLC) modems. The high output current, high bandwidth, and

slew rate of 2100 V/µs make the ADA4312-1 an excellent choice

for G.hn broadband applications that require high linearity

while driving low impedance loads.

Figure 2. Typical PLC Driver Application

The CMOS-compatible shutdown control pin (SD) reduces

the quiescent current to 3 mA while maintaining an output

impedance of 10 kΩ differential. The ADA4312-1 also provides

resistor adjustable quiescent current for improved efficiency in

transmit mode.

The ADA4312-1 is available in a thermally enhanced, 16-lead

LFCSP with an exposed pad to facilitate robust thermal

management. The ADA4312-1 is rated to operate over the

extended industrial temperature range of −40°C to +85°C.

Rev. A

Document Feedback

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.

Technical Support

www.analog.com

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