Datasheet > AD9272BSVZRL-40

AD9272BSVZRL-40

更新时间： 2024-10-28 18:35:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
45页	770K
描述
Octal LNA/VGA/AAF/ADC and Crosspoint Switch

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数据手册
替代型号

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AD9272BSVZRL-40 数据手册

Octal LNA/VGA/AAF/ADC

and Crosspoint Switch

AD9272

FUNCTIONAL BLOCK DIAGRAM

FEATURES

8 channels of LNA, VGA, AAF, and ADC

Low noise preamplifier (LNA)

Input-referred noise voltage = 0.75 nV/√Hz

(gain = 21.3 dB) @ 5 MHz typical

SPI-programmable gain = 15.6 dB/17.9 dB/21.3 dB

Single-ended input; V_INmaximum = 733 mV p-p/

550 mV p-p/367 mV p-p

Dual-mode active input impedance matching

Bandwidth (BW) > 100 MHz

Full-scale (FS) output = 4.4 V p-p differential

Variable gain amplifier (VGA)

Attenuator range = −42 dB to 0 dB

SPI-programmable PGA gain = 21 dB/24 dB/27 dB/30 dB

Linear-in-dB gain control

Antialiasing filter (AAF)

Programmable 2nd-order low-pass filter (LPF) from

8 MHz to 18 MHz

Programmable high-pass filter (HPF)

Analog-to-digital converter (ADC)

12 bits at 10 MSPS to 80 MSPS

SNR = 70 dB

SFDR = 75 dB

Serial LVDS (ANSI-644, IEEE 1596.3 reduced range link)

Data and frame clock outputs

Includes an 8 × 8 differential crosspoint switch to support

continuous wave (CW) Doppler

Low power, 195 mW per channel at 12 bits/40 MSPS (TGC)

120 mW per channel in CW Doppler

Flexible power-down modes

LOSW-A

LO-A

AD9272

LI-A

12-BIT

ADC

DOUTA+

DOUTA–

SERIAL

LVDS

LNA

VGA

LG-A

AAF

LOSW-B

LO-B

LI-B

12-BIT

ADC

DOUTB+

DOUTB–

SERIAL

LVDS

LG-B

LOSW-C

LO-C

LI-C

12-BIT

ADC

DOUTC+

DOUTC–

SERIAL

LVDS

VGA

LG-C

LOSW-D

LO-D

LI-D

12-BIT

ADC

DOUTD+

DOUTD–

SERIAL

LVDS

LG-D

LOSW-E

LO-E

LI-E

DOUTE+

DOUTE–

12-BIT

ADC

SERIAL

LVDS

VGA

LG-E

LOSW-F

LO-F

LI-F

DOUTF+

DOUTF–

12-BIT

ADC

SERIAL

LVDS

VGA

LG-F

LOSW-G

LO-G

LI-G

DOUTG+

DOUTG–

12-BIT

ADC

SERIAL

LVDS

LG-G

LOSW-H

LO-H

LI-H

12-BIT

ADC

DOUTH+

DOUTH–

SERIAL

LVDS

VGA

LG-H

FCO+

Overload recovery in <10 ns

Fast recovery from low power standby mode, <2 μs

100-lead TQFP

FCO–

DCO+

DCO–

REFERENCE

SWITCH

ARRAY

APPLICATIONS

Medical imaging/ultrasound

Automotive radar

GENERAL DESCRIPTION

Figure 1.

The AD9272 is designed for low cost, low power, small size, and

ease of use. It contains eight channels of a low noise preamplifier

(LNA) with a variable gain amplifier (VGA), an antialiasing

filter (AAF), and a 12-bit, 10 MSPS to 80 MSPS analog-to-

digital converter (ADC).

The LNA has a single-ended-to-differential gain that is selectable

through the SPI. The LNA input-referred noise voltage is typically

0.75 nV/√Hz at a gain of 21.3 dB, and the combined input-referred

noise voltage of the entire channel is 0.85 nV/√Hz at maximum

gain. Assuming a 15 MHz noise bandwidth (NBW) and a 21.3 dB

LNA gain, the input SNR is about 92 dB. In CW Doppler mode,

the LNA output drives a transconductance amp that is switched

through an 8 × 8 differential crosspoint switch. The switch is

programmable through the SPI.

Each channel features a variable gain range of 42 dB, a fully

differential signal path, an active input preamplifier termination, a

maximum gain of up to 52 dB, and an ADC with a conversion

rate of up to 80 MSPS. The channel is optimized for dynamic

performance and low power in applications where a small

package size is critical.

Rev. C

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.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...45

中文翻译

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AD9272BSVZRL-40 替代型号

型号	品牌	替代类型	描述	数据表
AD9272BSVZ-40	ADI	完全替代	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9272BSVZ-80	ADI	类似代替	Octal LNA/VGA/AAF/ADC and Crosspoint Switch

与AD9272BSVZRL-40相关器件

型号	品牌	获取价格	描述	数据表
AD9272BSVZRL-401	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9272BSVZRL-65	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9272BSVZRL-651	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9272BSVZRL-80	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9272BSVZRL-801	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9273	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9273_08	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9273BBCZ-25	ROCHESTER	获取价格	CROSS POINT SWITCH, PBGA144, ROHS COMPLIANT, MO-205AC, BGA-144
AD9273BBCZ-25	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch
AD9273BBCZ-40	ADI	获取价格	Octal LNA/VGA/AAF/ADC and Crosspoint Switch

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