參數(shù)資料
型號： LTC1966CMS8#TRPBF
廠商： Linear Technology
文件頁數(shù)： 1/38頁
文件大小： 391K
描述： IC PREC RMS/DC CONV MCRPWR 8MSOP
標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝： 8-MSOP
包裝： 帶卷 (TR)
LTC1966
1
1966fb
Typical applicaTion
FeaTures
DescripTion
Precision Micropower
 RMS-to-DC Converter
applicaTions
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
No Latency DS is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents including 6359576, 6362677,
6516291 and 6651036.
n
  Simple to Use, Requires One Capacitor
n
 True RMS DC Conversion Using DS Technology
n
 High Accuracy:
  0.1% Gain Accuracy from 50Hz to 1kHz
  0.25% Total Error from 50Hz to 1kHz
n
 High Linearity:
  0.02% Linearity Allows Simple System Calibration
n
 Low Supply Current:
  155?/SPAN>A Typ, 170?/SPAN>A Max
n
 Ultralow Shutdown Current:
  0.1?/SPAN>A
n
 Constant Bandwidth:
  Independent of Input Voltage
  800kHz 3dB, 6kHz ?%
n
 Flexible Supplies:
  2.7V to 5.5V Single Supply
  Up to ?.5V Dual Supply
n
 Flexible Inputs:
  Differential or Single-Ended
  Rail-to-Rail Common Mode Voltage Range
  Up to 1V
PEAK
 Differential Voltage
n
 Flexible Output:
  Rail-to-Rail Output
  Separate Output Reference Pin Allows Level Shifting
n
 Wide Temperature Range:
  55?/SPAN>C to 125?/SPAN>C
n
 Small Size:
  Space Saving 8-Pin MSOP Package
The LTC
?/DIV>
1966 is a true RMS-to-DC converter that utilizes
an innovative patented DS computational technique. The
internal delta sigma circuitry of the LTC1966 makes it sim-
pler to use, more accurate, lower power and dramatically
more flexible than conventional log antilog RMS-to-DC
converters.
The LTC1966 accepts single-ended or differential input
signals (for EMI/RFI rejection) and supports crest factors up
to 4. Common mode input range is rail-to-rail. Differential
input range is 1V
PEAK
, and offers unprecedented linearity.
Unlike previously available RMS-to-DC converters, the
superior linearity of the LTC1966 allows hassle free system
calibration at any input voltage.
The LTC1966 also has a rail-to-rail output with a separate
output reference pin providing flexible level shifting. The
LTC1966 operates on a single power supply from 2.7V to
5.5V or dual supplies up to ?.5V. A low power shutdown
mode reduces supply current to 0.5礎(chǔ).
The LTC1966 is insensitive to PC board soldering and
stresses, as well as operating temperature. The LTC1966
is packaged in the space saving MSOP package which is
ideal for portable applications.
n
 True RMS Digital Multimeters and Panel Meters
n
 True RMS AC + DC Measurements
Single Supply RMS-to-DC Converter
Quantum Leap in Linearity Performance
C
AVE
1礔
V
OUT
+

1966 TA01
2.7V TO 5.5V
OUTPUT
DIFFERENTIAL
INPUT
LTC1966
V
DD
0.1礔
OPT. AC
COUPLING
V
SS
EN    GND
OUT RTN
IN1
IN2
V
IN
 (mV AC
RMS
)
1.0
0.6
0.2
0.2
0.8
0.4
0
100   200   300  400
1966 TA01b
500
50
0
150  250   350   450
LTC1966, 
60Hz SINEWAVES
CONVENTIONAL
LOG/ANTILOG
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參數(shù)描述
LTC1966HMS8#PBF 功能描述:IC RMS/DC CONV MICROPWR 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件
LTC1966HMS8#TRPBF 功能描述:IC RMS/DC CONV MICROPWR 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件
LTC1966IMS8 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件
LTC1966IMS8#PBF 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件
LTC1966IMS8#TR 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件
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