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AD8375ACPZ-WP

更新时间： 2024-02-18 00:22:18

品牌	Logo	应用领域
亚德诺 - ADI		模拟IC 信号电路
页数	文件大小	规格书
6页	240K
描述
24dB Range, 1dB Step Size Programmable VGA

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技术参数
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AD8375ACPZ-WP 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN,	针数：	24
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.31.00.01	风险等级：	5.06
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	S-XQCC-N24
JESD-609代码：	e3	长度：	4 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	4 mm	Base Number Matches：	1

AD8375ACPZ-WP 数据手册

24dB Range, 1dB Step Size Programmable

VGA

Preliminary Technical Data

AD8375

FEATURES

-4 to 20dB Gain Range

FUNCTIONAL BLOCK DIAGRAM

1 dB Step Size ± 0.2 dB

Differential input and output

150 Ω Differential Input

Open Collector Differential Output

8dB noise figure @ maximum gain

OIP3 of ~50dBm at 140MHz

−3 dB bandwidth of 690 MHz

Parallel 5-bit Control Interface

Wide input dynamic range

Power-down feature

Single 5V Supply Operation

24 Lead LFCSP 4 x 4 mm Package

APPLICATIONS

Differential ADC drivers

High IF Sampling Receivers

High Output Power IF Amplification

Instrumentation

Figure 1.

GENERAL DESCRIPTION

The AD8375 is a digitally controlled, variable gain wide

bandwidth amplifier that provides precise gain control, high IP3

and low noise figure. The excellent distortion performance and

high signal bandwidth makes the AD8375 an excellent gain

control device for a variety of receiver applications.

Using a high speed SiGe process and incorporating proprietary

distortion cancellation techniques, the AD8375 achieves

50 dBm output IP3 at 140 MHz.

The AD8375 is powered on by applying the appropriate logic

level to the PWUP pin. The quiescent current of the AD8375 is

typically 130mA. When powered down, the AD8375 consumes

less than 5mA and offers excellent input to output isolation. The

gain setting is preserved when powered down.

For wide input dynamic range applications, the AD8375 pro-

vides a broad 24dB gain range with 1 dB resolution. The gain is

adjusted through a 5-pin control interface and can be driven

using standard TTL levels. The open-collector outputs provide a

flexible interface, allowing the overall signal gain to be set by

the loading resistance. The AD8375 offers a maximum trans-

conductance gain of 67 mΩ^-1’s, resulting in a signal gain of 20dB

when driving a 150-Ohm load. The maximum signal gain

increases to ~24dB when driving a 250-Ohm differential load.

Fabricated on an ADI’s high speed SiGe process, the AD8375

provides precise gain adjustment capabilities with good distortion

performance. The AD8375 amplifier comes in a compact,

thermally enhanced 4 x 4mm 24-lead LFCSP package and

operates over the temperature range of −40°C to +85°C.

Rev. PrB

March 13, 2007

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

registered trademarks 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: 781.326.8703

www.analog.com

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