音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

VCA2612Y Datasheet

  • VCA2612Y

  • TMDual, VARIABLE GAIN AMPLIFIER with Low Noise Preamp

  • 271.08KB

  • 19頁

  • BB

掃碼查看芯片數(shù)據(jù)手冊

上傳產(chǎn)品規(guī)格書

PDF預(yù)覽

廬
VCA
VCA2612
261
2
For most current data sheet and other product
information, visit www.burr-brown.com
Dual, VARIABLE GAIN AMPLIFIER
with Low Noise Preamp
TM
FEATURES
q
LOW NOISE PREAMP:
鈥?Low Input Noise: 1.25nV/鈭欻z
鈥?Active Termination Noise Reduction
鈥?Switchable Termination Value
鈥?80MHz Bandwidth
鈥?5dB to 25dB Gain
鈥?Differential Input /Output
q
LOW NOISE VARIABLE GAIN AMPLIFIER:
鈥?Low Noise VCA: 3.3nV/鈭欻z, Differential
Programming Optimizes Noise Figure
鈥?24dB to 45dB Gain
鈥?40MHz Bandwidth
鈥?Differential Input /Output
q
LOW CROSSTALK: 52dB at Max Gain, 5MHz
q
HIGH-SPEED VARIABLE GAIN ADJUST
q
SWITCHABLE EXTERNAL PROCESSING
DESCRIPTION
The VCA2612 is a highly integrated, dual receive chan-
nel, signal processing subsystem. Each channel of the
product consists of a low noise pre-amplifier (LNP) and
a Variable Gain Amplifier (VGA). The LNP circuit
provides the necessary connections to implement Active
Termination (AT), a method of cable termination which
results in up to 4.6dB noise figure improvement. Differ-
ent cable termination characteristics can be accommo-
dated by utilizing the VCA2612鈥檚 switchable LNA feed-
back pins. The LNP has the ability to accept both
differential and single ended inputs, and generates a
differential output signal. The LNP provides strappable
gains of 5dB, 17dB, 22dB and 25dB.
The output of the LNP can be accessed externally for
further signal processing, or fed directly into the VGA.
The VCA2612鈥檚 VGA section consists of two parts, the
Voltage Controlled Attenuator (VCA) and the Program-
mable Gain Amplifier (PGA). The gain and gain range
of the Programmable Gain Amplifier can be digitally
programmed. The combination of these two program-
mable elements results in a variable gain ranging from
0dB up to a maximum gain as defined by the user
through external connections. The output of the VGA
can be used in either a single-ended or differential mode
to drive high performance analog-to-digital converters.
The VCA2612 also features low crosstalk and outstand-
ing distortion performance. The combination of low
noise, and gain range programmability make the
VCA2612 a versatile building block in a number of
applications where noise performance is critical. The
VCA2612 is available in a TQFP-48 package.
Maximum Gain Select
FB
CNTL
RF
2
RF
1
LNP
OUT
N
VCA
IN
N
VCA
CNTL
MGS
1
MGS
2
MGS
3
FBSW
FB
VCA2612
(1 of 2 Channels)
APPLICATIONS
q
ULTRASOUND SYSTEMS
q
WIRELESS RECEIVERS
q
TEST EQUIPMENT
Analog
Control
Maximum Gain
Select
Input
LNP
IN
P
LNP
GS1
LNP
GS2
LNP
GS3
LNP
IN
N
Programmable
Gain Amplifier
24 to 45dB
VCA
OUT
N
Low Noise
Preamp
5dB to 25dB
Voltage
Controlled
Attenuator
LNP
Gain Set
VCA
OUT
P
LNP
OUT
P
VCA
IN
P
SEL
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111
Twx: 910-952-1111 鈥?Internet: http://www.burr-brown.com/ 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
廬
漏 2000 Burr-Brown Corporation
PDS-1541B
1
Printed in U.S.A.
VCA2612
March, 2000

VCA2612Y相關(guān)型號PDF文件下載

您可能感興趣的PDF文件資料

熱門IC型號推薦

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務(wù)：
賣家服務(wù)：
技術(shù)客服：

0571-85317607

網(wǎng)站技術(shù)支持

13606545031

客服在線時(shí)間周一至周五
9:00-17:30

關(guān)注官方微信號，
第一時(shí)間獲取資訊。

建議反饋
返回頂部

建議反饋

聯(lián)系人：

聯(lián)系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫提出的寶貴意見，您的參與是維庫提升服務(wù)的動(dòng)力！意見一經(jīng)采納，將有感恩紅包奉上哦！