參數(shù)資料
型號： LTC2259CUJ-14#PBF
廠商： Linear Technology
文件頁數(shù)： 10/34頁
文件大?。?/td> 0K
描述： IC ADC 14-BIT 80MSPS 40-QFN
產(chǎn)品培訓模塊： LTC2262 - Ultra Low Power High Speed ADCs
標準包裝： 61
位數(shù)： 14
采樣率（每秒）： 80M
數(shù)據(jù)接口： 并聯(lián)，串行，SPI
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 105mW
電壓電源： 單電源
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 40-QFN（6x6）
包裝： 管件
輸入數(shù)目和類型： 1 個差分
配用： DC890B-ND - BOARD USB DATA COLLECTION
LTC2261-14
LTC2260-14/LTC2259-14
18
226114fc
For more information www.linear.com/LTC2261-14
CONVERTER OPERATION
TheLTC2261-14/LTC2260-14/LTC2259-14arelowpower
14-bit125Msps/105Msps/80MspsA/Dconvertersthatare
poweredbyasingle1.8Vsupply.Theanaloginputsshould
be driven differentially. The encode input can be driven
differentially, or single ended for lower power consump-
tion. The digital outputs can be CMOS, double-data rate
CMOS(tohalvethenumberofoutputlines),ordouble-data
rate LVDS (to reduce digital noise in the system.) Many
additional features can be chosen by programming the
mode control registers through a serial SPI port. See the
Serial Programming Mode section.
ANALOG INPUT
The analog input is a differential CMOS sample-and-hold
circuit (Figure 2). The inputs should be driven differentially
around a common mode voltage set by the VCM output
pin, which is nominally VDD/2. For the 2V input range,
the inputs should swing from VCM – 0.5V to VCM + 0.5V.
Thereshouldbe180°phasedifferencebetweentheinputs.
INPUT DRIVE CIRCUITS
Input Filtering
If possible, there should be an RC lowpass filter right at
the analog inputs. This lowpass filter isolates the drive
circuitry from the A/D sample-and-hold switching, and
alsolimitswidebandnoisefromthedrivecircuitry.Figure 3
shows an example of an input RC filter. The RC component
values should be chosen based on the application’s input
frequency.
Transformer-Coupled Circuits
Figure 3 shows the analog input being driven by an RF
transformer with a center-tapped secondary. The center
tap is biased with VCM, setting the A/D input at its optimal
CSAMPLE
3.5pF
RON
25
RON
25
VDD
LTC2261-14
AIN+
226114 F02
CSAMPLE
3.5pF
VDD
AIN–
ENC–
ENC+
1.2V
10k
1.2V
10k
CPARASITIC
1.8pF
CPARASITIC
1.8pF
10
25
50
0.1F
AIN+
AIN–
12pF
0.1F
VCM
LTC2261-14
ANALOG
INPUT
0.1F
T1
1:1
T1: MA/COM MABAES0060
RESISTORS, CAPACITORS
ARE 0402 PACKAGE SIZE
226114 F03
Figure 2. Equivalent Input Circuit
Figure 3. Analog Input Circuit Using a Transformer.
Recommended for Input Frequencies from 5MHz to 70MHz
applicaTions inForMaTion
相關(guān)PDF資料
PDF描述
ADM4852ACPZ-REEL7 IC TXRX RS485/422 2.5MBPS 8LFCSP
FIN1027AMX IC DRIVER 3.3V LVDS HS 8-SOIC
VE-B0M-MX-F1 CONVERTER MOD DC/DC 10V 75W
VE-B03-MX-F4 CONVERTER MOD DC/DC 24V 75W
UP050B271K-KEC CAP CER 270PF 50V 10% AXIAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2259CUJ-14-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs
LTC2259CUJ-16 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 80Msps Ultralow Power 1.8V ADC
LTC2259CUJ-16#PBF 制造商:Linear Technology 功能描述:ADC Single Pipelined 80Msps 16-bit Parallel/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16BIT 80MSPS 40QFN 制造商:Linear Technology 功能描述:IC ADC 16BIT 80MSPS QFN-40 制造商:Linear Technology 功能描述:IC, ADC, 16BIT, 80MSPS, QFN-40; Resolution (Bits):16bit; Sampling Rate:80MSPS; Supply Voltage Type:Single; Supply Voltage Min:1.7V; Supply Voltage Max:1.9V; Supply Current:49.2mA; Digital IC Case Style:QFN; No. of Pins:40; INL :4LSB;RoHS Compliant: Yes
LTC2259CUJ-16#TRPBF 制造商:Linear Technology 功能描述:ADC Single Pipelined 80Msps 16-bit Parallel/LVDS 40-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC ADC 16BIT 80MSPS 40QFN
LTC2259CUJ-16PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 80Msps Ultralow Power 1.8V ADC
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*