Datasheet > AD8284

AD8284

更新时间： 2024-11-25 01:06:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
27页	596K
描述
6-Channel LNA/PGA/AAF with ADC

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AD8284 数据手册

Radar Receive Path AFE:

6-Channel LNA/PGA/AAF with ADC

Data Sheet

AD8283

FEATURES

FUNCTIONAL BLOCK DIAGRAM

6 channels of LNA, PGA, AAF

1 channel of direct-to-ADC

Programmable gain amplifier (PGA)

Includes low noise preamplifier (LNA)

SPI-programmable gain = 16 dB to 34 dB in 6 dB steps

Antialiasing filter (AAF)

Programmable third-order low-pass elliptic filter (LPF) from

1 MHz to 12 MHz

Analog-to-digital converter (ADC)

12 bits of accuracy up to 72 MSPS

SNR = 67 dB

INA+

INA–

REFERENCE

LNA

PGA

AAF

INB+

INB–

DSYNC

D[0:11]

INC+

INC–

12-BIT

ADC

MUX

DRV

IND+

IND–

AAF

SFDR = 68 dB

INE+

INE–

Low power, 170 mW per channel at 12 bits/72 MSPS

Low noise, 3.5 nV/√Hz maximum of input referred

voltage noise

INF+

INF–

LNA

PGA

INADC+

INADC–

Power-down mode

72-lead, 10 mm × 10 mm, LFCSP package

Specified from −40°C to +105°C

Qualified for automotive applications

SPI

AD8283

APPLICATIONS

Automotive radar

Adaptive cruise control

Collision avoidance

Blind spot detection

Self-parking

Figure 1.

Electronic bumper

GENERAL DESCRIPTION

The AD8283 is designed for low cost, low power, compact size,

flexibility, and ease of use. It contains six channels of a low noise

preamplifier (LNA) with a programmable gain amplifier (PGA)

and an antialiasing filter (AAF) plus one direct-to-ADC

channel, all integrated with a single 12-bit analog-to-digital

converter (ADC).

Fabricated in an advanced CMOS process, the AD8283 is

available in a 10 mm × 10 mm, RoHS-compliant, 72-lead

LFCSP. It is specified over the automotive temperature range

of −40°C to +105°C.

Table 1. Related Devices

Part No.

Description

Each channel features a gain range of 16 dB to 34 dB in 6 dB

increments and an ADC with a conversion rate of up to 72 MSPS.

The combined input-referred noise voltage of the entire channel

is 3.5 nV/√Hz at maximum gain. The channel is optimized for

dynamic performance and low power in applications where a

small package size is critical.

AD8285

4-Channel LNA/PGA/AAF, pseudosimultaneous

channel sampling with ADC

4-Channel LNA/PGA/AAF, sequential channel

sampling with ADC

AD8284

ADA8282 4-Channel LNA/PGA

Rev. C

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

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.

Technical Support

www.analog.com

12 3 4 5 6 7...27

中文翻译

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与AD8284相关器件

型号	品牌	获取价格	描述	数据表
AD8284_17	ADI	获取价格	Radar Receive Path AFE: 4-Channel Mux
AD8284WCSVZ	ADI	获取价格	Radar Receive Path AFE: 4-Channel MUX with LNA, PGA, AAF, and ADC
AD8284WCSVZ-RL	ADI	获取价格	Radar Receive Path AFE: 4-Channel MUX with LNA, PGA, AAF, and ADC
AD8285	ADI	获取价格	6-Channel LNA/PGA/AAF with ADC
AD8285_17	ADI	获取价格	Radar Receive Path AFE: 4-Channel LNA/PGA/AAF
AD8285CP-EBZ	ADI	获取价格	Radar Receive Path AFE: 4-Channel LNA/PGA/AAF
AD8285WBCPZ	ADI	获取价格	Radar Receive Path AFE: 4-Channel LNA/PGA/AAF with ADC
AD8285WBCPZ-RL	ADI	获取价格	Radar Receive Path AFE: 4-Channel LNA/PGA/AAF with ADC
AD828AN	ADI	获取价格	Dual, Low Power Video Op Amp
AD828ANZ	ADI	获取价格	Dual, Low Power Video Op Amp

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