位置:VCA8617PAGR > VCA8617PAGR详情

VCA8617PAGR中文资料

厂家型号

VCA8617PAGR

文件大小

827.53Kbytes

页面数量

35

功能描述

8-Channel VARIABLE GAIN AMPLIFIER

特殊用途放大器 8-Channel Variable Gain Amplifier

数据手册

下载地址一下载地址二到原厂下载

生产厂商

TI2

VCA8617PAGR数据手册规格书PDF详情

1FEATURES

23• 3V OPERATION

• LOW INPUT NOISE:

– 1.05nV/√Hz at f IN = 5MHz

• EXTREMELY LOW POWER OPERATION:

– 103mW/CHANNEL

• INTEGRATED LOW-PASS, ANTI-ALIASING

BUTTERWORTH FILTER

– 14.5MHz BANDWIDTH

• INTEGRATED INPUT CLAMP DIODES

• DIFFERENTIAL OUTPUT

• INTEGRATED INPUT LNA

• READABLE CONTROL REGISTERS

• INTEGRATED CONTINUOUS WAVE (CW)

PROCESSOR

DESCRIPTION

The VCA8617 is an 8-channel variable gain amplifier

ideally suited to portable ultrasound applications.

Excellent dynamic performance enables use in

low-power, high-performance portable applications.

Each channel consists of a 20dB gain Low-Noise

pre-Amplifier (LNA) and a Variable Gain Amplifier

(VGA). The differential outputs of the LNA can be

switched through the 8x10 cross-point switch, which

is programmable through the serial interface input

port.

The output of the LNA is fed directly into the VGA

stage. The VGA consists of two parts, a

Voltage-Controlled Attenuator (VCA) and a

Programmable Gain Amplifier (PGA). The gain and

gain range of the PGA can be digitally configured

separately. The gain of the PGA can vary between

four discrete settings of 25dB, 30dB, 35dB, and

40dB. The VCA has four programmable maximum

attenuation settings: 29dB, 33dB, 36.5dB, and 40dB.

Also, the VCA can be continuously varied by a control

voltage from 0dB to a maximum of 29dB, 33dB,

36.5dB, and 40dB.

The output of the PGA feeds directly into an

integrated low-pass filter.

VCA8617PAGR产品属性

  • 类型

    描述

  • 型号

    VCA8617PAGR

  • 功能描述

    特殊用途放大器 8-Channel Variable Gain Amplifier

  • RoHS

  • 制造商

    Texas Instruments

  • 通道数量

    Single

  • 工作电源电压

    3 V to 5.5 V

  • 电源电流

    5 mA

  • 最大工作温度

    + 70 C

  • 最小工作温度

    - 40 C

  • 安装风格

    SMD/SMT

  • 封装/箱体

    QFN-20

  • 封装

    Reel

更新时间:2025-10-20 14:01:00
供应商 型号 品牌 批号 封装 库存 备注 价格
TI
TQFP64
56371
提供BOM表配单
TI
2021+
TQFP64
6800
原厂原装,欢迎咨询
TI(德州仪器)
24+
TQFP64(10x10)
1964
只做原装,提供一站式配单服务,代工代料。BOM配单
TI
24+
TQFP64
26200
原装现货,诚信经营!
TI
24+
TQFP64
26
TI
2016+
TQFP64
3000
主营TI,绝对原装,假一赔十,可开17%增值税发票!
BB
23+
QFP
5000
原装正品,假一罚十
TI
24+
TQFP-84
5989
公司原厂原装现货假一罚十!特价出售!强势库存!
TI/BB
16+
TQFP-64
8000
原装现货请来电咨询
TI
24+
TQFP64
5000
只做原装公司现货