參數(shù)資料
型號(hào): LTC2451CDDB#TRMPBF
廠商: Linear Technology
文件頁數(shù): 8/20頁
文件大?。?/td> 0K
描述: IC ADC 16BIT DELTA SIGMA 8DFN
產(chǎn)品培訓(xùn)模塊: LTC2460 and LTC2450 Delta Sigma ADC Families
標(biāo)準(zhǔn)包裝: 1
位數(shù): 16
采樣率(每秒): 60
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1.2mW
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: 8-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-DFN(3x2)
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類型: 1 個(gè)單端,單極
產(chǎn)品目錄頁面: 1348 (CN2011-ZH PDF)
其它名稱: LTC2451CDDB#TRMPBFDKR
LTC2451
16
2451fg
TYPICAL APPLICATIONS
Easy Passive Input
Easy Active Input
LTC2451
100nF
PRECONDITIONED SENSOR
WITH VOLTAGE OUTPUT
1k
V+
GND
VOUT
2451 TA02
LTC2451
100nF
RS < 1k
2451 TA03
Figure 15. LTC2451 Input Signal Attenuation
vs Frequency (Low Frequencies)
INPUT SIGNAL FREQUENCY (Hz)
0
INPUT
SIGNAL
A
TTENUA
TIOIN
(dB)
–20
–10
0
480
2451 F15
–30
–40
–25
–15
–5
–35
–45
–50
120
60
240
180
360 420
540
300
600
For a simple system noise analysis, the input drive cir-
cuit can be modeled as a single-pole equivalent circuit
characterized by a pole location, fi, and a noise spectral
density, ni. If the converter has an unlimited bandwidth,
or at least a bandwidth substantially larger than fi, then
the total noise contribution of the external drive circuit
would be:
Vn = ni p / 2 fi
The total system noise level can then be estimated as
the square root of the sum of (Vn2) and the square of the
LTC2451 noise floor (~2V2).
APPLICATIONS INFORMATION
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