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參數(shù)資料
| 型號(hào)： | LTC1968CMS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 模擬專(zhuān)用變換器 |
| 英文描述： | Precision Wide Bandwidth, RMS-to-DC Converter |
| 中文描述： | RMS TO DC CONVERTER, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大?。?/td> | 305K |
| 代理商： | LTC1968CMS8 |
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1
LTC1968
1968f
Precision Wide Bandwidth,
RMS-to-DC Converter
■
High Linearity:
0.02% Linearity Allows Simple System Calibration
■
Wide Input Bandwidth:
Bandwidth to 1% Additional Gain Error: 500kHz
Bandwidth to 0.1% Additional Gain Error: 150kHz
3dB Bandwidth Independent of Input Voltage
Amplitude
■
No-Hassle Simplicity:
True RMS-DC Conversion with Only One External
Capacitor
Delta Sigma Conversion Technology
■
Ultralow Shutdown Current:
0.1
μ
A
■
Flexible Inputs:
Differential or Single Ended
Rail-to-Rail Common Mode Voltage Range
Up to 1V
PEAK
Differential Voltage
■
Flexible Output:
Rail-to-Rail Output
Separate Output Reference Pin Allows Level Shifting
■
Small Size:
Space Saving 8-Pin MSOP Package
APPLICATIU
■
True RMS Digital Multimeters and Panel Meters
■
True RMS AC + DC Measurements
DESCRIPTIOU
FEATURES
The LTC
1968 is a true RMS-to-DC converter that uses an
innovative delta-sigma computational technique. The ben-
efits of the LTC1968 proprietary architecture, when com-
pared to conventional log-antilog RMS-to-DC converters,
are higher linearity and accuracy, bandwidth independent
of amplitude and improved temperature behavior.
The LTC1968 operates with single-ended or differential in-
put signals and accurately supports crest factors up to 4.
Common mode input range is rail-to-rail. Differential in-
put range is 1V
PEAK
, and offers unprecedented linearity. The
LTC1968 allows hassle-free system calibration at any in-
put voltage.
The LTC1968 has a rail-to-rail output with a separate out-
put reference pin providing flexible level shifting; it oper-
ates on a single power supply from 4.5V to 5.5V. A low power
shutdown mode reduces supply current to 0.1
μ
A.
The LTC1968 is packaged in the space-saving MSOP pack-
age, which is ideal for portable applications.
Single Supply RMS-to-DC Converter
C
AVE
10
μ
F
V
OUT
+
–
1968 TA01
4.5V TO 5.5V
OUTPUT
DIFFERENTIAL
INPUT
LTC1968
OUT RTN
V
+
0.1
μ
F
OPT. AC
COUPLING
EN
GND
IN1
IN2
TYPICAL APPLICATIO
U
V
IN
(mV AC
RMS
)
0
–1.0
L
O
I
R
)
–0.8
–0.6
–0.4
–0.2
0
0.2
100
200
300
400
1968 TA01b
500
LTC1968,
Σ
60Hz SINEWAVE
CONVENTIONAL
LOG/ANTILOG
Linearity Performance
, LTC and LT are registered trademarks of Linear Technology Corporation.
Protected under U.S. Patent Numbers 6,359,576, 6,362,677 and 6,516,291
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1968CMS8#PBF | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:是 類(lèi)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(lèi)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 |
| LTC1968CMS8#TR | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 類(lèi)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(lèi)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 |
| LTC1968CMS8#TRPBF | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:是 類(lèi)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(lèi)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 |
| LTC1968CMS8PBF | 制造商:Linear Technology 功能描述:RMS-to-DC Converter Prec. 500kHz MSOP8 |
| LTC1968IMS8 | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 類(lèi)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(lèi)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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