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參數資料
型號: LTC1966MPMS8#TRPBF
廠商: Linear Technology
文件頁數: 33/38頁
文件大小: 391K
描述: IC RMS/DC CONV MICROPWR 8-MSOP
標準包裝: 2,500
電流 - 電源: 155µA
電源電壓: 2.7 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-MSOP
包裝: 帶卷 (TR)
LTC1966
33
1966fb
applicaTions inForMaTion
7. Output is noisy with >10kHz inputs.
 This is a fundamental characteristic of this topol-
ogy. The LTC1966 is designed to work very well
with inputs of 1kHz or less. It works okay as high
as 1MHz, but it is limited by aliased S noise.
Solution: Bandwidth limit the input or digitally filter
the resulting output.
8. Large errors occur at crest factors approaching, but
less than 4.
   Insufficient averaging.
Solution: Increase C
AVE
. See Crest Factor and AC + DC
Waveforms section for discussion of output droop.
9. Screwy results, errors > spec limits, typically 1% to 5%.
   High impedance (85k? and high accuracy (0.1%)
  require clean boards! Flux residue, finger grime, etc.
  all wreak havoc at this level.
Solution: Wash the board.
Helpful Hint: Sensitivity to leakages can be reduced
significantly through the use of guard traces.
LTC1966
KEEP BOARD CLEAN
10. Gain is low by E1% or more, no other problems.
 Probably due to circuit loading. With a DMM or
a 10?scope probe, Z
IN
 = 10M? The LTC1966
output is 85k? resulting in 0.85% gain error.
Output impedance is higher with the DC accurate
post filter.
  Solution: Remove the shunt loading or buffer the
output.
 Loading can also be caused by cheap averaging
capacitors.
  Solution: Use a high quality metal film capacitor
for C
AVE
.
 
200mV
RMS
 IN
0.85%
DMM
DCV
LTC1966
10M
5
85k
6
V
OUT
OUT RTN
1966 TS10
LOADING DRAGS DOWN GAIN
mV
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相關代理商/技術參數
參數描述
LTC1967CMS8 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉換器 系列:- 標準包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V,36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.295",7.50mm 寬) 供應商設備封裝:16-SOIC W 包裝:管件
LTC1967CMS8#PBF 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉換器 系列:- 標準包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V,36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.295",7.50mm 寬) 供應商設備封裝:16-SOIC W 包裝:管件
LTC1967CMS8#TR 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉換器 系列:- 標準包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V,36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.295",7.50mm 寬) 供應商設備封裝:16-SOIC W 包裝:管件
LTC1967CMS8#TRPBF 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉換器 系列:- 標準包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V,36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.295",7.50mm 寬) 供應商設備封裝:16-SOIC W 包裝:管件
LTC1967CMS8PBF 制造商:Linear Technology 功能描述:RMS-DC converter, LTC1967 40kHz MSOP
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