Datasheet > AD8285WBCPZ

AD8285WBCPZ

更新时间： 2024-11-24 20:09:39

品牌	Logo	应用领域
亚德诺 - ADI		电信电信集成电路
页数	文件大小	规格书
27页	498K
描述
Radar Receive Path AFE: 4-Channel LNA/PGA/AAF with ADC

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AD8285WBCPZ 数据手册

Radar Receive Path AFE: 4-Channel

LNA/PGA/AAF with ADC

Data Sheet

AD8285

FEATURES

FUNCTIONAL BLOCK DIAGRAM

4-channel LNA, PGA, and AAF

1 direct to ADC channel

Programmable gain amplifier (PGA)

Includes low noise preamplifier (LNA)

Serial peripheral interface (SPI) programmable gain

16 dB to 34 dB in 6 dB steps

Antialiasing filter (AAF)

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

from 1.0 MHz to 12.0 MHz

INA+

INA–

REFERENCE

LNA

PGA

AAF

INB+

INB–

DSYNC

D[0:11]

MUX

INC+

INC–

12-BIT

ADC

DRV

IND+

IND–

AAF

Analog-to-digital converter (ADC)

INADC+

INADC–

12 bits of accuracy up to 72 MSPS

Signal-to-noise ratio (SNR): 68.5 dB

Spurious-free dynamic range (SFDR): 68 dB at gain = 16 dB

Low power: 185 mW per channel at 12 bits and 72 MSPS

Low noise: 3.5 nV/√Hz maximum of input referred voltage noise

Power-down mode

72-lead, 10 mm × 10 mm LFCSP package

Specified from −40°C to +105°C

Qualified for automotive applications

SPI

AD8285

NOTES

1. AVDD18x = AVDD18, AVDD18ADC.

AVDD33x = AVDD33, AVDD33A, AVDD33B, AVDD33C, AVDD33D, AVDD33REF.

DVDD18x = DVDD18, DVDD18CLK. DVDD33x = DVDD33, DVDD33SPI, DVDD33CLK, DVDD33DRV.

Figure 1.

APPLICATIONS

Automotive radar

Adaptive cruise control

Collision avoidance

Blind spot detection

Self parking

Electronic bumper

GENERAL DESCRIPTION

The AD8285 is designed for low cost, low power, compact size,

flexibility, and ease of use. It contains four 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 complementary metal oxide

semiconductor (CMOS) process, the AD8285 is available in a

10 mm × 10 mm, RoHS compliant, 72-lead LFCSP that is specified

over the automotive temperature range of −40°C to +105°C.

Table 1. Related Devices

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.

Part No.

Description

AD8283

6-channel LNA/PGA/AAF, pseudo simultaneous

channel sampling with ADC

AD8284

4-channel LNA/PGA/AAF, sequential channel

sampling with ADC

ADA8282 4-channel LNA/PGA

Rev. B

Document Feedback

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

responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother

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 theproperty 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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与AD8285WBCPZ相关器件

型号	品牌	获取价格	描述	数据表
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
AD828AR	ADI	获取价格	Dual, Low Power Video Op Amp
AD828AR-REEL	ADI	获取价格	Dual, Low Power Video Op Amp
AD828AR-REEL7	ADI	获取价格	Dual, Low Power Video Op Amp
AD828ARZ	ADI	获取价格	Dual, Low Power Video Op Amp
AD828ARZ-REEL	ADI	获取价格	2 CHANNEL, VIDEO AMPLIFIER, PDSO8, PLASTIC, SOIC-8
AD828ARZ-REEL7	ADI	获取价格	Dual, Low Power Video Op Amp
AD829	ADI	获取价格	High-Speed, Low-Noise Video Op Amp

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